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| Name: bind-doc | Distribution: openSUSE Tumbleweed |
| Version: 9.20.3 | Vendor: openSUSE |
| Release: 1.1 | Build date: Mon Oct 21 10:42:47 2024 |
| Group: Documentation/Other | Build host: reproducible |
| Size: 9337197 | Source RPM: bind-9.20.3-1.1.src.rpm |
| Packager: http://bugs.opensuse.org | |
| Url: https://www.isc.org/bind/ | |
| Summary: BIND documentation | |
Documentation of the Berkeley Internet Name Domain (BIND) Domain Name System implementation of the Domain Name System (DNS) protocols. This includes also the BIND Administrator Reference Manual (ARM).
MPL-2.0
* Mon Oct 21 2024 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Update to release 9.20.3
New Features:
* Log query response status to the query log.
* Log a query response summary using the new responses category.
Logging can be controlled via the responselog option and via
rndc responselog.
* Added WALLET type.
* Add the new record type WALLET (262). This provides a mapping
from a domain name to a cryptographic currency wallet. Multiple
mappings can exist if multiple records exist.
Feature Changes:
* Set logging category for notify/xfer-in-related messages.
* Some notify and xfer-in-related log messages were logged at the
“general” category level instead of their own category. This
has been fixed.
* Allow IXFR-to-AXFR fallback on DNS_R_TOOMANYRECORDS.
* This change allows fallback from an IXFR failure to AXFR when
the reason is DNS_R_TOOMANYRECORDS.
Bug Fixes:
* Fix a statistics channel counter bug when “forward only” zones
are used.
* When resolving a zone with a “forward only” policy, and finding
out that all the forwarders were marked as “bad”, the
“ServerQuota” counter of the statistics channel was incorrectly
increased. This has been fixed.
* Fix a bug in the static-stub implementation.
* Static-stub addresses and addresses from other sources were
being mixed together, resulting in static-stub queries going to
addresses not specified in the configuration, or alternatively,
static-stub addresses being used instead of the correct server
addresses.
* Don’t allow statistics-channels if libxml2 and libjson-c are
not configured.
* When BIND 9 is not configured with the libxml2 and libjson-c
libraries, the use of the statistics-channels option is a fatal
error.
* Separate DNSSEC validation from long-running tasks.
* Split CPU-intensive and long-running tasks into separate
threadpools in a way that the long-running tasks - like RPZ,
catalog zone processing, or zone file operations - don’t block
CPU-intensive operations like DNSSEC validations.
* Fix an assertion failure when processing access control lists.
* The named process could terminate unexpectedly when processing
ACLs. This has been fixed.
* Fix a bug in Offline KSK using a ZSK with an unlimited
lifetime.
* If the ZSK had an unlimited lifetime, the timing metadata
Inactive and Delete could not be found and were treated as an
error, preventing the zone from being signed. This has been
fixed.
* Limit the outgoing UDP send queue size.
* If the operating system UDP queue got full and the outgoing UDP
sending started to be delayed, BIND 9 could exhibit memory
spikes as it tried to enqueue all the outgoing UDP messages. It
now tries to deliver the outgoing UDP messages synchronously;
if that fails, it drops the outgoing DNS message that would get
queued up and then timeout on the client side.
* Do not set SO_INCOMING_CPU.
* Remove the SO_INCOMING_CPU setting as kernel scheduling
performs better without constraints.
* Fix the rndc dumpdb command’s error reporting.
* The rndc dumpdb command was not reporting errors that occurred
when named started up the database dump process. This has been
fixed.
* Fix long-running incoming transfers.
* Incoming transfers that took longer than 30 seconds would stop
reading from the TCP stream and the incoming transfer would be
indefinitely stuck, causing BIND 9 to hang during shutdown.
* This has been fixed, and the max-transfer-time-in and
max-transfer-idle-in timeouts are now honored.
* Fix an assertion failure when receiving DNS responses over TCP.
* When matching the received Query ID in the TCP connection, an
invalid Query ID could cause an assertion failure. This has
been fixed.
* Thu Sep 19 2024 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Update to release 9.20.2
New Features:
* Support for Offline KSK implemented.
* Add a new configuration option offline-ksk to enable Offline
KSK key management. Signed Key Response (SKR) files created
with dnssec-ksr (or other programs) can now be imported into
named with the new rndc skr -import command. Rather than
creating new DNSKEY, CDS, and CDNSKEY records and generating
signatures covering these types, these records are loaded from
the currently active bundle from the imported SKR.
* The implementation is loosely based on
draft-icann-dnssec-keymgmt-01.txt.
* Print the full path of the working directory in startup log
messages.
* named now prints its initial working directory during startup,
and the changed working directory when loading or reloading its
configuration file, if it has a valid directory option defined.
* Support a restricted key tag range when generating new keys.
* When multiple signers are being used to sign a zone, it is
useful to be able to specify a restricted range of key tags to
be used by an operator to sign the zone. The range can be
specified with tag-range in dnssec-policy’s keys (for named and
dnssec-ksr) and with the new options dnssec-keyfromlabel -M and
dnssec-keygen -M.
Feature Changes:
* Exempt prefetches from the fetches-per-zone and
fetches-per-server quotas.
* Fetches generated automatically as a result of prefetch are now
exempt from the fetches-per-zone and fetches-per-server quotas.
This should help in maintaining the cache from which query
responses can be given.
* Follow the number of CPUs set by taskset/cpuset.
* Administrators may wish to constrain the set of cores that
named runs on via the taskset, cpuset, or numactl programs (or
equivalents on other OSes).
* If the admin has used taskset, named now automatically uses the
given number of CPUs rather than the system-wide count.
Bug Fixes:
* Delay the release of root privileges until after configuring
controls.
* Delay relinquishing root privileges until the control channel
has been configured, for the benefit of systems that require
root to use privileged port numbers. This mostly affects
systems without fine- grained privilege systems (i.e., other
than Linux).
* Fix a rare assertion failure when shutting down incoming
transfer.
* A very rare assertion failure could be triggered when the
incoming transfer was either forcefully shut down, or it
finished during the printing of the details about the
statistics channel. This has been fixed.
* Fix algorithm rollover bug when there are two keys with the
same keytag.
* If there was an algorithm rollover and two keys of different
algorithms shared the same keytags, there was the possibility
that the check of whether the key matched a specific state
could be performed against the wrong key. This has been fixed
by not only checking for the matching key tag but also the key
algorithm.
* Fix an assertion failure in validate_dnskey_dsset_done().
* Under rare circumstances, named could terminate unexpectedly
when validating a DNSKEY resource record if the validation had
been canceled in the meantime. This has been fixed.
Known Issues:
* Long-running tasks in offloaded threads (e.g. the loading of
RPZ zones or processing zone transfers) may block the
resolution of queries during these operations and cause the
queries to time out. To work around the issue, the
UV_THREADPOOL_SIZE environment variable can be set to a larger
value before starting named. The recommended value is the
number of RPZ zones (or number of transfers) plus the number of
threads BIND should use, which is typically the number of CPUs.
* Fri Aug 23 2024 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Update to release 9.20.1
New Features:
* Implement rndc retransfer -force.
* A new optional argument -force has been added to the command
rndc retransfer. When it is specified, named aborts the ongoing
zone transfer (if there is one) and starts a new transfer.
* dig now reports a missing QUESTION section for messages with
opcode QUERY.
* Query responses should contain the QUESTION section, with some
exceptions. dig was not reporting this.
Feature Changes:
* Tighten max-recursion-queries and add max-query-restarts
configuration statement.
* There were cases when the max-recursion-queries quota was
ineffective. It was possible to craft zones that would cause a
resolver to waste resources by sending excessive queries while
attempting to resolve a name. This has been addressed by
correcting errors in the implementation of
max-recursion-queries and by reducing the default value from
100 to 32.
* In addition, a new max-query-restarts configuration statement
has been added, which limits the number of times a recursive
server will follow CNAME or DNAME records before terminating
resolution. This was previously a hard-coded limit of 16 but is
now configurable with a default value of 11.
* ISC would like to thank Huayi Duan, Marco Bearzi, Jodok Vieli,
and Cagin Tanir from NetSec group, ETH Zurich for discovering
and notifying us about the issue.
* Allow shorter resolver-query-timeout configuration.
* The minimum allowed value of resolver-query-timeout was lowered
from its previous value of 10 000 milliseconds (which is still
the default) to 301 milliseconds. Note however that values of 1
to 300 inclusive are interpreted as seconds before applying the
limit. A value of zero is interpreted as the default.
* Raise the log level of priming failures.
* When a priming query is complete, it was previously logged at
level DEBUG(1), regardless of success or failure. It is now
logged to NOTICE in the case of failure.
Bug Fixes:
* Fix a crash caused by valid TSIG signatures with invalid time.
* An assertion failure was triggered when the TSIG had a valid
cryptographic signature but the time was invalid. This could
happen when the times between the primary and secondary servers
were not synchronised. The crash has now been fixed.
* Return SERVFAIL for a too long CNAME chain.
* When following long CNAME chains, named was returning NOERROR
(along with a partial answer) instead of SERVFAIL, if the chain
exceeded the maximum length. This has been fixed.
* Reconfigure catz member zones during named reconfiguration.
* During a reconfiguration, named wasn’t reconfiguring catalog
zones’ member zones. This has been fixed.
* Update key lifetime and metadata after dnssec-policy
reconfiguration.
* Adjust key state and timing metadata if dnssec-policy key
lifetime configuration is updated, so that it also affects
existing keys.
* Fix a crash during zone modification.
* Fix an assertion failure that could happen when an
authoritative zone was modified while the server was generating
an answer from that zone.
* Fix assertion failure when executing named-checkconf -v to
print its version.
* Fix generation of 6to4-self name expansion from IPv4 address.
* The period between the most significant nibble of the encoded
IPv4 address and the 2.0.0.2.IP6.ARPA suffix was missing,
resulting in the wrong name being checked. This has been fixed.
* dig +yaml was producing unexpected and/or invalid YAML. output.
* SVBC ALPN text parsing failed to reject zero-length ALPN.
* Fix false QNAME minimisation error being reported.
* Remove the false positive success resolving log message when
QNAME minimisation is in effect and the final result is an
NXDOMAIN.
* Fix --enable-tracing build on systems without dtrace.
* A missing util/dtrace.sh file prevented builds on systems
without the dtrace utility. This has been corrected.
* Wed Jul 24 2024 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Update to new major version 9.20.0
For a complete list of all changes see:
* https://bind9.readthedocs.io/en/v9.20.0/notes.html
* The CHANGES file in the source RPM
Some noteworthy changes:
* Added new BuildRequires liburcu for lock free data structures.
* A new DNSSEC tool dnssec-ksr has been added to create Key
Signing Request (KSR) and Signed Key Response (SKR) files.
* /etc/bind.keys and /var/lib/named/named.root.key have been
removed as the correct defaults are pre-compiled and there is
no need to configure bind.keys manually.
* The functions that were in the libbind9 shared library have
been moved to the libisc and libisccfg libraries. The now-empty
libbind9 has been removed and is no longer installed.
* The irs_resconf module has been moved to the libdns shared
library. The now-empty libirs library has been removed and is
no longer installed.
Security Fixes:
* A malicious DNS client that sent many queries over TCP but
never read the responses could cause a server to respond slowly
or not at all for other clients. This has been fixed.
(CVE-2024-0760)
[bsc#1228255]
* It is possible to craft excessively large resource records
sets, which have the effect of slowing down database
processing. This has been addressed by adding a configurable
limit to the number of records that can be stored per name and
type in a cache or zone database. The default is 100, which can
be tuned with the new max-records-per-type option.
* It is possible to craft excessively large numbers of resource
record types for a given owner name, which has the effect of
slowing down database processing. This has been addressed by
adding a configurable limit to the number of records that can
be stored per name and type in a cache or zone database. The
default is 100, which can be tuned with the new
max-types-per-name option. (CVE-2024-1737)
[bsc#1228256]
* Validating DNS messages signed using the SIG(0) protocol (RFC
2931) could cause excessive CPU load, leading to a
denial-of-service condition. Support for SIG(0) message
validation was removed from this version of named.
(CVE-2024-1975)
[bsc#1228257]
* Due to a logic error, lookups that triggered serving stale data
and required lookups in local authoritative zone data could
have resulted in an assertion failure. This has been fixed.
* Potential data races were found in our DoH implementation,
related to HTTP/2 session object management and endpoints set
object management after reconfiguration. These issues have been
fixed.
* When looking up the NS records of parent zones as part of
looking up DS records, it was possible for named to trigger an
assertion failure if serve-stale was enabled. This has been
fixed. (CVE-2024-4076)
[bsc#1228258]
* Fri May 17 2024 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Update to release 9.18.27
New Features:
* A new option signatures-jitter has been added to dnssec-policy
to allow signature expirations to be spread out over a period
of time.
Feature Changes:
* DNSSEC signatures that are not valid because the current time
falls outside the signature inception and expiration dates are
skipped instead of causing an immediate validation failure.
* Sun Apr 21 2024 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Update to release 9.18.26
New Features:
* The statistics channel now includes counters that indicate the
number of currently connected TCP IPv4/IPv6 clients.
* Added RESOLVER.ARPA to the built in empty zones.
Bug Fixes:
* Changes to listen-on statements were ignored on reconfiguration
unless the port or interface address was changed, making it
impossible to change a related listener transport type. That
issue has been fixed.
* A bug in the keymgr code unintentionally slowed down some
DNSSEC key rollovers. This has been fixed.
* Some ISO 8601 durations were accepted erroneously, leading to
shorter durations than expected. This has been fixed.
* Wed Mar 20 2024 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Update to release 9.18.25
Bug Fixes:
* A regression in cache-cleaning code enabled memory use to grow
significantly more quickly than before, until the configured
max-cache-size limit was reached. This has been fixed.
* Using rndc flush inadvertently caused cache cleaning to become
less effective. This could ultimately lead to the configured
max-cache-size limit being exceeded and has now been fixed.
* The logic for cleaning up expired cached DNS records was
tweaked to be more aggressive. This change helps with enforcing
max-cache-ttl and max-ncache-ttl in a timely manner. [GL #4591]
* It was possible to trigger a use-after-free assertion when the
overmem cache cleaning was initiated. This has been fixed.
* Tue Feb 13 2024 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Update to release 9.18.24
Security Fixes:
* Validating DNS messages containing a lot of DNSSEC signatures
could cause excessive CPU load, leading to a denial-of-service
condition. This has been fixed. (CVE-2023-50387)
[bsc#1219823]
* Preparing an NSEC3 closest encloser proof could cause excessiv
CPU load, leading to a denial-of-service condition. This has
been fixed. (CVE-2023-50868)
[bsc#1219826]
* Parsing DNS messages with many different names could cause
excessive CPU load. This has been fixed. (CVE-2023-4408)
[bsc#1219851]
* Specific queries could cause named to crash with an assertion
failure when nxdomain-redirect was enabled. This has been
fixed. (CVE-2023-5517)
[bsc#1219852]
* A bad interaction between DNS64 and serve-stale could cause
named to crash with an assertion failure, when both of these
features were enabled. This has been fixed. (CVE-2023-5679)
[bsc#1219853]
* Query patterns that continuously triggered cache database
maintenance could cause an excessive amount of memory to be
allocated, exceeding max-cache-size and potentially leading to
all available memory on the host running named being exhausted
This has been fixed. (CVE-2023-6516)
[bsc#1219854]
* Under certain circumstances, the DNS-over-TLS client code
incorrectly attempted to process more than one DNS message at a
time, which could cause named to crash with an assertion
failure. This has been fixed.
Bug Fixes:
* The counters exported via the statistics channel were changed
back to 64-bit signed values; they were being inadvertently
truncated to unsigned 32-bit values since BIND 9.15.0.
* Thu Jan 04 2024 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Update to release 9.18.21
Removed Features:
* Support for using AES as the DNS COOKIE algorithm
(cookie-algorithm aes;) has been deprecated and will be removed
in a future release. Please use the current default,
SipHash-2-4, instead.
* The resolver-nonbackoff-tries and resolver-retry-interval
statements have been deprecated. Using them now causes a
warning to be logged.
* Wed Nov 15 2023 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Update to release 9.18.20
Feature Changes:
* The IP addresses for B.ROOT-SERVERS.NET have been updated to
170.247.170.2 and 2801:1b8:10::b.
Bug Fixes:
* If the unsigned version of an inline-signed zone contained
DNSSEC records, it was incorrectly scheduled for resigning.
This has been fixed.
* Looking up stale data from the cache did not take local
authoritative data into account. This has been fixed.
* An assertion failure was triggered when lock-file was used at
the same time as the named -X command-line option. This has
been fixed.
* The lock-file file was being removed when it should not have
been, making the statement ineffective when named was started
three or more times. This has been fixed.
* Fri Oct 13 2023 Thorsten Kukuk <kukuk@suse.com>
- Disable SLP by default for Factory and ALP (bsc#1214884)
* Tue Sep 19 2023 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Update to release 9.18.19
Security Fixes:
* Previously, sending a specially crafted message over the
control channel could cause the packet-parsing code to run out
of available stack memory, causing named to terminate
unexpectedly. This has been fixed. (CVE-2023-3341)
[bsc#1215472]
* A flaw in the networking code handling DNS-over-TLS queries
could cause named to terminate unexpectedly due to an assertion
failure under significant DNS-over-TLS query load. This has
been fixed. (CVE-2023-4236)
[bsc#1215471]
Removed Features:
* The dnssec-must-be-secure option has been deprecated and will
be removed in a future release.
Feature Changes:
* If the server command is specified, nsupdate now honors the
nsupdate -v option for SOA queries by sending both the UPDATE
request and the initial query over TCP.
Bug Fixes:
* The value of the If-Modified-Since header in the statistics
channel was not being correctly validated for its length,
potentially allowing an authorized user to trigger a buffer
overflow. Ensuring the statistics channel is configured
correctly to grant access exclusively to authorized users is
essential (see the statistics-channels block definition and
usage section).
* The Content-Length header in the statistics channel was lacking
proper bounds checking. A negative or excessively large value
could potentially trigger an integer overflow and result in an
assertion failure.
* Several memory leaks caused by not clearing the OpenSSL error
stack were fixed.
* The introduction of krb5-subdomain-self-rhs and
ms-subdomain-self-rhs UPDATE policies accidentally caused named
to return SERVFAIL responses to deletion requests for
non-existent PTR and SRV records. This has been fixed.
* The stale-refresh-time feature was mistakenly disabled when the
server cache was flushed by rndc flush. This has been fixed.
* BIND’s memory consumption has been improved by implementing
dedicated jemalloc memory arenas for sending buffers. This
optimization ensures that memory usage is more efficient and
better manages the return of memory pages to the operating
system.
* Previously, partial writes in the TLS DNS code were not
accounted for correctly, which could have led to DNS message
corruption. This has been fixed.
* Mon Sep 11 2023 Pedro Monreal <pmonreal@suse.com>
- Enable crypto-policies support: [bsc#1211301]
* Rebase vendor-files/config/named.conf
* Wed Aug 16 2023 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Update to release 9.18.18
Feature Changes:
* When a primary server for a zone responds to an SOA query, but
the subsequent TCP connection required to transfer the zone is
refused, that server is marked as temporarily unreachable. This
now also happens if the TCP connection attempt times out,
preventing too many zones from queuing up on an unreachable
server and allowing the refresh process to move on to the next
configured primary more quickly.
* The dialup and heartbeat-interval options have been deprecated
and will be removed in a future BIND 9 release.
Bug Fixes:
* Processing already-queued queries received over TCP could cause
an assertion failure, when the server was reconfigured at the
same time or the cache was being flushed. This has been fixed.
* Setting dnssec-policy to insecure prevented zones containing
resource records with a TTL value larger than 86400 seconds (1
day) from being loaded. This has been fixed by ignoring the TTL
values in the zone and using a value of 604800 seconds (1 week)
as the maximum zone TTL in key rollover timing calculations.
* Wed Jul 19 2023 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Update to release 9.18.17
Feature Changes:
* If a response from an authoritative server has its RCODE set to
FORMERR and contains an echoed EDNS COOKIE option that was
present in the query, named now retries sending the query to
the same server without an EDNS COOKIE option.
* The relaxed QNAME minimization mode now uses NS records. This
reduces the number of queries named makes when resolving, as it
allows the non-existence of NS RRsets at non-referral nodes to
be cached in addition to the normally cached referrals.
Bug Fixes:
* The ability to read HMAC-MD5 key files, which was accidentally
lost in BIND 9.18.8, has been restored.
* Several minor stability issues with the catalog zone
implementation have been fixed.
* Thu Jul 13 2023 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Enable dnstap support
* Thu Jul 06 2023 Dirk Müller <dmueller@suse.com>
- rebuild bind-utils on libuv updates (bsc#1212090)
* Thu Jun 22 2023 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Update to release 9.18.16
Security Fixes:
* The overmem cleaning process has been improved, to prevent the
cache from significantly exceeding the configured
max-cache-size limit. (CVE-2023-2828)
* A query that prioritizes stale data over lookup triggers a
fetch to refresh the stale data in cache. If the fetch is
aborted for exceeding the recursion quota, it was possible for
named to enter an infinite callback loop and crash due to stack
overflow. This has been fixed. (CVE-2023-2911)
New Features:
* The system test suite can now be executed with pytest (along
with pytest-xdist for parallel execution).
Removed Features:
* TKEY mode 2 (Diffie-Hellman Exchanged Keying) is now
deprecated, and will be removed in a future release. A warning
will be logged when the tkey-dhkey option is used in
named.conf.
Bug Fixes:
* BIND could get stuck on reconfiguration when a listen-on
statement for HTTP is removed from the configuration. That has
been fixed.
* Previously, it was possible for a delegation from cache to be
returned to the client after the stale-answer-client-timeout
duration. This has been fixed.
* BIND could allocate too big buffers when sending data via
stream-based DNS transports, leading to increased memory usage.
This has been fixed.
* When the stale-answer-enable option was enabled and the
stale-answer-client-timeout option was enabled and larger than
0, named previously allocated two slots from the
clients-per-query limit for each client and failed to gradually
auto-tune its value, as configured. This has been fixed.
* Wed May 17 2023 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Update to release 9.18.15
Bug Fixes:
* The max-transfer-time-in and max-transfer-idle-in statements
have not had any effect since the BIND 9 networking stack was
refactored in version 9.16. The missing functionality has been
re-implemented and incoming zone transfers now time out
properly when not progressing.
* The read timeout in rndc is now 60 seconds, matching the
behavior in BIND 9.16 and earlier. It had previously been
lowered to 30 seconds by mistake.
* When the ISC_R_INVALIDPROTO (ENOPROTOOPT, EPROTONOSUPPORT)
error code is returned by libuv, it is now treated as a network
failure: the server for which that error code is returned gets
marked as broken and is not contacted again during a given
resolution process.
* When removing delegations from an opt-out range,
empty-non-terminal NSEC3 records generated by those delegations
were not cleaned up. This has been fixed.
* Log file rotation code did not clean up older versions of log
files when the logging channel had an absolute path configured
as a file destination. This has been fixed.
Known Issues:
* Sending NOTIFY messages silently fails when the source port
specified in the notify-source statement is already in use.
This can happen e.g. when multiple servers are configured as
NOTIFY targets for a zone and some of them are unresponsive.
This issue can be worked around by not specifying the source
port for NOTIFY messages in the notify-source statement; note
that source port configuration is already deprecated and will
be removed altogether in a future release.
* Fri Apr 21 2023 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Update to release 9.18.14
Removed Features:
* Zone type delegation-only, and the delegation-only and
root-delegation-only statements, have been deprecated. A
warning is now logged when they are used.
* These statements were created to address the SiteFinder
controversy, in which certain top-level domains redirected
misspelled queries to other sites instead of returning NXDOMAIN
responses. Since top-level domains are now DNSSEC-signed, and
DNSSEC validation is active by default, the statements are no
longer needed.
Bug Fixes:
* Several bugs which could cause named to crash during catalog
zone processing have been fixed.
* Previously, downloading large zones over TLS (XoT) from a
primary could hang the transfer on the secondary, especially
when the connection was unstable. This has been fixed.
* Performance of DNSSEC validation in zones with many DNSKEY
records has been improved.
* Wed Mar 15 2023 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Update to release 9.18.13
New Features:
* RPZ updates are now run on specialized “offload” threads to
reduce the amount of time they block query processing on the
main networking threads. This increases the responsiveness of
named when RPZ updates are being applied after an RPZ zone has
been successfully transferred.
Feature Changes:
* Catalog zone updates are now run on specialized “offload”
threads to reduce the amount of time they block query
processing on the main networking threads. This increases the
responsiveness of named when catalog zone updates are being
applied after a catalog zone has been successfully transferred.
* libuv support for receiving multiple UDP messages in a single
recvmmsg() system call has been tweaked several times between
libuv versions 1.35.0 and 1.40.0; the current recommended libuv
version is 1.40.0 or higher. New rules are now in effect for
running with a different version of libuv than the one used at
compilation time. These rules may trigger a fatal error at
startup:
- Building against or running with libuv versions 1.35.0 and
1.36.0 is now a fatal error.
- Running with libuv version higher than 1.34.2 is now a
fatal error when named is built against libuv version
1.34.2 or lower.
- Running with libuv version higher than 1.39.0 is now a
fatal error when named is built against libuv version
1.37.0, 1.38.0, 1.38.1, or 1.39.0.
* This prevents the use of libuv versions that may trigger an
assertion failure when receiving multiple UDP messages in a
single system call.
Bug Fixes:
* named could crash with an assertion failure when adding a new
zone into the configuration file for a name which was already
configured as a member zone for a catalog zone. This has been
fixed.
* When named starts up, it sends a query for the DNSSEC key for
each configured trust anchor to determine whether the key has
changed. In some unusual cases, the query might depend on a
zone for which the server is itself authoritative, and would
have failed if it were sent before the zone was fully loaded.
This has now been fixed by delaying the key queries until all
zones have finished loading.
* Thu Feb 16 2023 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Update to release 9.18.12
Removed Features:
* Specifying a port when configuring source addresses (i.e., as
an argument to query-source, query-source-v6, transfer-source,
transfer-source-v6, notify-source, notify-source-v6,
parental-source, or parental-source-v6, or in the source or
source-v6 arguments to primaries, parental-agents, also-notify,
or catalog-zones) has been deprecated. In addition, the
use-v4-udp-ports, use-v6-udp-ports, avoid-v4-udp-ports, and
avoid-v6-udp-ports options have also been deprecated.
Warnings are now logged when any of these options are
encountered in named.conf. In a future release, they will be
made nonfunctional.
Bug Fixes:
* A constant stream of zone additions and deletions via rndc
reconfig could cause increased memory consumption due to
delayed cleaning of view memory. This has been fixed.
* The speed of the message digest algorithms (MD5, SHA-1, SHA-2),
and of NSEC3 hashing, has been improved.
* Pointing parental-agents to a resolver did not work because the
RD bit was not set on DS requests. This has been fixed.
* Building BIND 9 failed when the --enable-dnsrps switch for
./configure was used. This has been fixed.
- Updated keyring and signature
* Tue Jan 24 2023 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Update to release 9.18.11
Security Fixes:
* An UPDATE message flood could cause named to exhaust all
available memory. This flaw was addressed by adding a new
update-quota option that controls the maximum number of
outstanding DNS UPDATE messages that named can hold in a queue
at any given time (default: 100). (CVE-2022-3094)
* named could crash with an assertion failure when an RRSIG query
was received and stale-answer-client-timeout was set to a
non-zero value. This has been fixed. (CVE-2022-3736)
* named running as a resolver with the
stale-answer-client-timeout option set to any value greater
than 0 could crash with an assertion failure, when the
recursive-clients soft quota was reached. This has been fixed.
(CVE-2022-3924)
New Features:
* The new update-quota option can be used to control the number
of simultaneous DNS UPDATE messages that can be processed to
update an authoritative zone on a primary server, or forwarded
to the primary server by a secondary server. The default is
100. A new statistics counter has also been added to record
events when this quota is exceeded, and the version numbers for
the XML and JSON statistics schemas have been updated.
Removed Features:
* The Differentiated Services Code Point (DSCP) feature in BIND
has been non-operational since the new Network Manager was
introduced in BIND 9.16. It is now marked as obsolete, and
vestigial code implementing it has been removed. Configuring
DSCP values in named.conf now causes a warning to be logged.
Feature Changes:
* The catalog zone implementation has been optimized to work with
hundreds of thousands of member zones.
Bug Fixes:
* A rare assertion failure was fixed in outgoing TCP DNS
connection handling.
* Large zone transfers over TLS (XoT) could fail. This has been
fixed.
* In addition to a previously fixed bug, another similar issue
was discovered where quotas could be erroneously reached for
servers, including any configured forwarders, resulting in
SERVFAIL answers being sent to clients. This has been fixed.
* In certain query resolution scenarios (e.g. when following
CNAME records), named configured to answer from stale cache
could return a SERVFAIL response despite a usable, non-stale
answer being present in the cache. This has been fixed.
* When an outgoing request timed out, named would retry up to
three times with the same server instead of trying the next
available name server. This has been fixed.
* Recently used ADB names and ADB entries (IP addresses) could
get cleaned when ADB was under memory pressure. To mitigate
this, only actual ADB names and ADB entries are now counted
(excluding internal memory structures used for “housekeeping”)
and recently used (<= 10 seconds) ADB names and entries are
excluded from the overmem memory cleaner.
* The “Prohibited” Extended DNS Error was inadvertently set in
some NOERROR responses. This has been fixed.
* Previously, TLS session resumption could have led to handshake
failures when client certificates were used for authentication
(Mutual TLS). This has been fixed.
[bsc#1207471, bsc#1207473, bsc#1207475]
* Wed Jan 04 2023 Thiago Macieira <thiago@kde.org>
- Declare that named.service depends on network-online.target, otherwise named
may start too early and thus fail (time out) when resolving some
domains. This happens easily in containers.
* Thu Dec 22 2022 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Update to release 9.18.10
Feature Changes:
* To reduce unnecessary memory consumption in the cache, NXDOMAIN
records are no longer retained past the normal negative cache
TTL, even if stale-cache-enable is set to yes.
* The auto-dnssec option has been deprecated and will be removed
in a future BIND 9.19.x release. Please migrate to
dnssec-policy.
* The coresize, datasize, files, and stacksize options have been
deprecated. The limits these options set should be enforced
externally, either by manual configuration (e.g. using ulimit)
or via the process supervisor (e.g. systemd).
* Setting alternate local addresses for inbound zone transfers
has been deprecated. The relevant options (alt-transfer-source,
alt-transfer-source-v6, and use-alt-transfer-source) will be
removed in a future BIND 9.19.x release.
* The number of HTTP headers allowed in requests sent to named’s
statistics channel has been increased from 10 to 100, to
accommodate some browsers that send more than 10 headers by
default.
Bug Fixes:
* named could crash due to an assertion failure when an HTTP
connection to the statistics channel was closed prematurely
(due to a connection error, shutdown, etc.).
* When a catalog zone was removed from the configuration, in some
cases a dangling pointer could cause the named process to
crash.
* When a zone was deleted from a server, a key management object
related to that zone was inadvertently kept in memory and only
released upon shutdown. This could lead to constantly
increasing memory use on servers with a high rate of changes
affecting the set of zones being served.
* TLS configuration for primary servers was not applied for zones
that were members of a catalog zone.
* In certain cases, named waited for the resolution of
outstanding recursive queries to finish before shutting down.
* host and nslookup command-line options setting the custom
TCP/UDP port to use were ignored for ANY queries (which are
sent over TCP).
* The zone <name>/<class>: final reference detached log message
was moved from the INFO log level to the DEBUG(1) log level to
prevent the named-checkzone tool from superfluously logging
this message in non-debug mode.
* Mon Nov 21 2022 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Update to bind release 9.18.9
Bug Fixes:
* A crash was fixed that happened when a dnssec-policy zone that
used NSEC3 was reconfigured to enable inline-signing.
* In certain resolution scenarios, quotas could be erroneously
reached for servers, including any configured forwarders,
resulting in SERVFAIL answers being sent to clients.
* rpz-ip rules in response-policy zones could be ineffective in
some cases if a query had the CD (Checking Disabled) bit set to
1.
* Previously, if Internet connectivity issues were experienced
during the initial startup of named, a BIND resolver with
dnssec-validation set to auto could enter into a state where it
would not recover without stopping named, manually deleting the
managed-keys.bind and managed-keys.bind.jnl files, and starting
named again.
* The statistics counter representing the current number of
clients awaiting recursive resolution results (RecursClients)
could overflow in certain resolution scenarios.
* Previously, the port in remote servers such as in primaries and
parental-agents could be wrongly configured because of an
inheritance bug.
* Previously, BIND failed to start on Solaris-based systems with
hundreds of CPUs.
* When a DNS resource record’s TTL value was equal to the
resolver’s configured prefetch “eligibility” value, the record
was erroneously not treated as eligible for prefetching.
* Mon Nov 07 2022 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Update to bind release 9.18.8
New Features:
* Support for parsing and validating the dohpath service
parameter in SVCB records was added.
* named now logs the supported cryptographic algorithms during
startup and in the output of named -V.
* The recursion not available and query (cache) '...' denied log
messages were extended to include the name of the ACL that
caused a given query to be denied.
Bug Fixes:
* An assertion failure was fixed in named that was caused by
aborting the statistics channel connection while sending
statistics data to the client.
* Changing just the TSIG key names for primaries in catalog
zones’ member zones was not effective. This has been fixed.
Known Issues:
* Upgrading from BIND 9.16.32, 9.18.6, or any older version may
require a manual configuration change. The following
configurations are affected:
- type primary zones configured with dnssec-policy but without
either allow-update or update-policy,
- type secondary zones configured with dnssec-policy.
In these cases please add inline-signing yes; to the individual
zone configuration(s). Without applying this change, named will
fail to start. For more details, see
https://kb.isc.org/docs/dnssec-policy-requires-dynamic-dns-or-inline-signing
* BIND 9.18 does not support dynamic update forwarding (see
allow-update-forwarding) in conjuction with zone transfers over
TLS (XoT).
This obsoletes the following patch:
* fix_documentation-Sphinx.patch
* Wed Oct 05 2022 Matej Cepl <mcepl@suse.com>
- Add fix_documentation-Sphinx.patch to fix building with the
current Sphinx
(https://gitlab.isc.org/isc-projects/bind9/-/issues/3572).
- Reapply bind-ldapdump-use-valid-host.patch
* Wed Sep 21 2022 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Update to bind release 9.18.7
Security Fixes:
* Previously, there was no limit to the number of database lookups
performed while processing large delegations, which could be
abused to severely impact the performance of named running as a
recursive resolver. This has been fixed. (CVE-2022-2795)
* When an HTTP connection was reused to request statistics from the
stats channel, the content length of successive responses could
grow in size past the end of the allocated buffer.
This has been fixed. (CVE-2022-2881)
* Memory leaks in code handling Diffie-Hellman (DH) keys were fixed
that could be externally triggered, when using TKEY records in DH
mode with OpenSSL 3.0.0 and later versions. (CVE-2022-2906)
* named running as a resolver with the stale-answer-client-timeout
option set to 0 could crash with an assertion failure, when there
was a stale CNAME in the cache for the incoming query.
This has been fixed. (CVE-2022-3080)
* Memory leaks were fixed that could be externally triggered in the
DNSSEC verification code for the EdDSA algorithm. (CVE-2022-38178)
Feature Changes:
* Response Rate Limiting (RRL) code now treats all QNAMEs that are
subject to wildcard processing within a given zone as the same
name, to prevent circumventing the limits enforced by RRL.
* Zones using dnssec-policy now require dynamic DNS or
inline-signing to be configured explicitly.
* When reconfiguring dnssec-policy from using NSEC with an NSEC-only
DNSKEY algorithm (e.g. RSASHA1) to a policy that uses NSEC3,
BIND 9 no longer fails to sign the zone; instead, it keeps using
NSEC until the offending DNSKEY records have been removed from the
zone, then switches to using NSEC3.
* A backward-compatible approach was implemented for encoding
internationalized domain names (IDN) in dig and converting the
domain to IDNA2008 form; if that fails, BIND tries an IDNA2003
conversion.
Bug Fixes:
* A serve-stale bug was fixed, where BIND would try to return stale
data from cache for lookups that received duplicate queries or
queries that would be dropped. This bug resulted in premature
SERVFAIL responses, and has now been resolved.
This obsoletes the following patch:
* bind-fix-mysql-bindings.patch
[bsc#1203614, bsc#1203615, bsc#1203616, bsc#1203618, bsc#1203620]
* Thu Aug 18 2022 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Fix typo in contrib/dlz/modules/{mysql,mysqldyn} that references
LDAP_LIBS instead of MYSQL_LIBS.
[bsc#1202149, bind.spec, bind-fix-mysql-bindings.patch]
* Thu Aug 18 2022 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Update to bind release 9.18.6
Bug Fixes:
* When running as a validating resolver forwarding all queries
to another resolver, named could crash with an assertion failure.
These crashes occurred when the configured forwarder sent
a broken DS response and named failed its attempts to find
a proper one instead. This has been fixed.
* Non-dynamic zones that inherit dnssec-policy from the view
or options blocks were not marked as inline-signed
and therefore never scheduled to be re-signed. This has been fixed.
* The old max-zone-ttl zone option was meant to be superseded
by the max-zone-ttl option in dnssec-policy; however,
the latter option was not fully effective. This has been corrected:
zones no longer load if they contain TTLs greater than the limit
configured in dnssec-policy. For zones with both the old
max-zone-ttl option and dnssec-policy configured,
the old option is ignored, and a warning is generated.
* rndc dumpdb -expired was fixed to include expired RRsets,
even if stale-cache-enable is set to no and the cache-cleaning
time window has passed.
For a complete list of changes, see
* Bind Release Notes
https://downloads.isc.org/isc/bind9/9.18.6/doc/arm/html/notes.html
* The CHANGES file in the source RPM
[bind.spec bind-9.18.6.tar.xz bind-9.18.6.tar.xz.sha512.asc]
* Wed Aug 03 2022 Jorik Cronenberg <jorik.cronenberg@suse.com>
- When enabling query_logging by un-commenting an example in
bind.conf, named attempts to create a file in /var/log which
fails due to missing credentials. This also applies to the
"dump-file" and the "statistics-file".
This is solved by having systemd-tmpfiles create a subdirectory
"/var/log/named" owned by named:named and changing the file
paths accordingly:
/var/log/named_querylog -> /var/log/named/querylog
/var/log/named_dump.db -> /var/log/named/dump.db
/var/log/named.stats -> /var/log/named/stats
Also, in "named.service", the ReadWritePath was changed to
include "/var/log/named" rather than just "var/log".
[bsc#1200685, bind.conf, vendor-files/config/named.conf,
vendor-files/system/named.service]
* Mon Aug 01 2022 Jorik Cronenberg <jorik.cronenberg@suse.com>
- Add systemd drop-in directory for named service
[bsc#1201689, bind.spec]
* Thu Jul 21 2022 Josef Möllers <josef.moellers@suse.com>
- Update to bind release 9.18.5
Bugs fixed:
* When resolving a name, don't give up immediately if an
authoritative server returns FORMERR; try the other servers first.
* When synth-from-dnssec generated a response using records from a
higher zone, it could unexpectedly prove non-existance of
records in a subordinate grafted-on namespace.
* Update HTTP listener settings on reconfiguration.
* Fix a crash in dig NS search mode when one of the NS server
queries fail.
* Changed dnssec-signzone -H default to 0 additional NSEC3
iterations.
* When processing a catalog zone member zone make sure that there
is no configured pre-existing forward-only forw]ard zone with
that name.
[bind-9.18.5.tar.xz bind-9.18.5.tar.xz.sha512.asc]
* Wed Jun 15 2022 Josef Möllers <josef.moellers@suse.com>
- Upgrade to 9.18.4:
Bugs fixed:
* Only write key files if the dnssec-policy keymgr has
changed the metadata.
* When the fetches-per-server quota was adjusted
because of an authoritative server timing out more
or less frequently, it was incorrectly set to 1
rather than the intended value.
Notable functional changes:
* Key timing options for `dnssec-keygen` and
`dnssec-settime` now accept times as printed by
`dnssec-settime -p`.
* Key timing options for `dnssec-settime` and related
utilities now accept "UNSET" times as printed by
`dnssec-settime -p`.
This obsoletes the following patch:
bind-prevent-buffer-overflow.patch
[bind-9.18.4.tar.xz, bind-9.18.4.tar.xz.sha512.asc,
bind-prevent-buffer-overflow.patch]
* Thu May 19 2022 Josef Möllers <josef.moellers@suse.com>
- Upgrade to 9.18.3:
Bugs fixed:
* Fix a crash in DNS-over-HTTPS (DoH) code caused by premature
TLS stream socket object deletion.
* RPZ NSIP and NSDNAME rule processing didn't handle stub and
static-stub zones at or above the query name. This has now
been addressed.
* Fixed a deadlock that could occur if an rndc connection arrived
during the shutdown of network interfaces.
* Refactor the fctx_done() function to set fctx to NULL after
detaching, so that reference counting errors will be easier to
avoid.
* udp_recv() in dispatch could trigger an INSIST when the
callback's result indicated success but the response was
canceled in the meantime.
* Work around a jemalloc quirk which could trigger an
out-of-memory condition in named over time.
* If there was a pending negative cache DS entry, validations
depending upon it could fail.
* dig returned a 0 exit status on UDP connection failure.
* Fix an assertion failure when using dig with +nssearch and
+tcp options by starting the next query in the send_done()
callback (like in the UDP mode) instead of doing that
recursively in start_tcp(). Also ensure that queries
interrupted while connecting are detached properly.
* Don't remove CDS/CDNSKEY DELETE records on zone sign when
using 'auto-dnssec maintain;'.
This obsoletes the following patch:
bind-define-local-instances-of-FALLTHROUGH-and-UNREACHABLE.patch
[CVE-2022-1183, bsc#1199619]
* Tue May 17 2022 Josef Möllers <josef.moellers@suse.com>
- An assertion failure can be triggered if a TLS connection to a
configured http TLS listener with a defined endpoint is destroyed too
early.
[CVE-2022-1183, bsc#1199619, CVE-2022-1183.patch]
* Mon May 16 2022 Martin Liška <mliska@suse.cz>
- Add upstream patch bind-prevent-buffer-overflow.patch.
* Thu May 12 2022 Josef Möllers <josef.moellers@suse.com>
- The named-checkconf had been moved from /usr/sbin to /usr/bin
but that had not been reflected in scripts that called this,
eg named.prep. So these scripts failed.
Some installations still have "createNamedConfInclude" in the
NAMED_INITIALIZE_SCRIPTS in /etc/sysconfig/named. The named.prep
will now report this but continue.
[bsc#1199044, vendor-files.tar.bz2]
* Mon Apr 25 2022 Josef Möllers <josef.moellers@suse.com>
- Upgrade to 9.18.2:
Most important bugs fixed:
* The "starting maxtime timer" message related to outgoing
zone transfers was incorrectly logged at the ERROR level
instead of DEBUG(1).
* Ensure that zone maintenance queries have a retry limit.
* When using both the `+qr` and `+y` options `dig` could
crash if the connection to the first server was not
successful.
* dig could hang in some cases involving multiple servers
in a lookup, when a request fails and the next one
refuses to start for some reason, for example if it was
an IPv4 mapped IPv6 address.
* dig +nssearch was hanging until manually interrupted.
* When an UPDATE targets a zone that is not configured,
the requested zone name is now logged in the "not
authoritative" error message, so that it is easier to
track down problematic update clients.
* Quote the dns64 prefix in error messages that complain
about problems with it, to avoid confusion with the
following dns64 ACLs.
* When encountering socket error while trying to initiate
a TCP connection to a server, dig could hang
indefinitely, when there were more servers to try.
* When timing-out or having other types of socket errors
during a query, dig wasn't trying to perform the lookup
using other servers, in case they exist.
* Resending a UDP request in the result of a timeout
could cause an assertion failure when the resent
query's result was SERVFAIL.
* Replace single TCP write timer with per-TCP write
timers.
* Invalid dnssec-policy definitions were being accepted
where the defined keys did not cover both KSK and ZSK
roles for a given algorithm. This is now checked for
and the dnssec-policy is rejected if both roles are
not present for all algorithms in use.
* Fix query context management issues in the TCP part
of dig.
Noteworthy functional changes:
* Add new "reuseport" option to enable/disable load
balancing of sockets.
* Set the minimum MTU on UDPv6 and TCPv6 sockets and
limit TCP maximum segment size (TCP_MAXSEG) to (1220)
for both TCPv4 and TCPv6 sockets.
Needed to define two macros in contrib code:
FALLTHOUGH is a copy of how it is defined in <isc/util.h>
UNREACHABLE follows the model used in MacOS /usr/include/c++/v1/cstdlib
to determine if __builtin_ureachable is available
[bind-9.18.2.tar.xz, bind-9.18.2.tar.xz.sha512.asc,
bind-define-local-instances-of-FALLTHROUGH-and-UNREACHABLE.patch]
* Thu Mar 17 2022 Josef Möllers <josef.moellers@suse.com>
- * When using forwarders, bogus NS records supplied by, or via, those
forwarders may be cached and used by named if it needs to recurse
for any reason, causing it to obtain and pass on potentially
incorrect answers. [CVE-2021-25220]
* TCP connection slots may be consumed for an indefinite time frame
via a specifically crafted TCP stream sent from a client.
This issue can only be triggered on BIND servers which have
keep-response-order enabled, which is not the default configuration.
The keep-response-order option is an ACL block, and as such, any
hosts specified within it will be able to trigger this issue on
affected versions. [CVE-2022-0396]
* The RFC 8198 Aggressive Use of DNSSEC-Validated Cache feature
(synth-from-dnssec) had been refactored and the default has been
changed so that is now automatically enabled for dnssec-validating
resolvers. Subsequently it was found that repeated patterns of
specific queries to servers with this feature enabled could cause
an INSIST failure in query.c:query_dname which causes named to
terminate unexpectedly.
The vulnerability affects BIND resolvers running 9.18.0 that have
both dnssec-validation and synth-from-dnssec enabled. (Note that
dnssec-validation auto; is the default setting unless configured
otherwise in named.conf and that enabling dnssec-validation
automatically enables synth-from-dnssec unless explicitly disabled)
[CVE-2022-0635]
* The refactoring of the recursive client code introduced a
"backstop lifetime timer."
While BIND is processing a request for a DS record that needs to be
forwarded, it waits until this processing is complete or until the
backstop lifetime timer has timed out. When the resume_dslookup() function
is called as a result of such a timeout, the function does not test
whether the fetch has previously been shut down. This introduces the
possibility of triggering an assertion failure, which could cause the BIND
process to terminate. [CVE-2022-0667]
* Reset client TCP connection when data received cannot
be parsed as a valid DNS request.
For a complete list of changes, see
* Bind Release Notes
https://downloads.isc.org/isc/bind9/9.18.1/doc/arm/html/notes.html
* The CHANGES file in the source RPM
This obsoletes bind-define-missing-threads.patch
Also, removed bind-python3 from the spec file as it is not build
any longer.
[bind.spec, bind-9.18.1.tar.xz, bind-9.18.1.tar.xz.sha512.asc,
bind-define-missing-threads.patch]
* Mon Jan 31 2022 Josef Möllers <josef.moellers@suse.com>
- Update to new MAJOR VERSION 9.18.0.
This has many enhnancements, bug fixes and changes.
The spec file also has mechanisms to run the integrated test suite.
MAJOR CHANGES:
* Support for securing DNS traffic using Transport Layer Security (TLS).
TLS is used by both DNS-over-TLS (DoT) and DNS-over-HTTPS (DoH).
* Support for zone transfers over TLS (XFR-over-TLS, XoT) for both
incoming and outgoing zone transfers.
* The dig tool is now able to send DoT queries (+tls option).
* Support for OpenSSL 3.0 APIs was added.
A number of utilities have been removed: dnssec-checkds,
dnssec-coverage, dnssec-keymgr, which have been deprecated in
favor of dnssec-policy feature, as well as python support
(package python3-bind).
A number of utilities have been moved from (/usr)/sbin to (/usr)/bin
The DLZ modules have been put into seperate sub-packages
to keep unwanted dependencies out of the main package:
* bind-modules-perl: dlz_perl_driver.so
* bind-modules-mysql: dlz_mysql_dynamic.so, dlz_mysqldyn_mod.so
* bind-modules-ldap: dlz_ldap_dynamic.so
* bind-modules-bdbhpt: dlz_bdbhpt_dynamic.so
* bind-modules-sqlite3: dlz_sqlite3_dynamic.so
* bind-modules-generic: dlz_filesystem_dynamic.so, dlz_wildcard_dynamic.so
For a complete list of changes, see
* Bind Release Notes
https://downloads.isc.org/isc/bind9/9.18.0/doc/arm/html/notes.html
* The CHANGES file in the source RPM
[bind.spec, bind-9.18.0.tar.xz, bind-9.18.0.tar.xz.sha512.asc,
bind-avoid-fallthrough-warning-error.patch,
bind-contrib-pthread.patch, named-bootconf.diff, bind-define-missing-threads.patch]
* Mon Jan 24 2022 Josef Möllers <josef.moellers@suse.com>
- Old-style DLZ drivers have been deprecated in favor of
DLZ modules. The DLZ drivers configuration option will
be removed from the next major BIND 9 release.
The option to use the DLZ modules is already available
in BIND 9; please see the ARM section on DLZ modules.
The dynamically lodable driver modules are stored in
/usr/lib64/bind-plugins
Example configurations for ldap and mysql are provided in
named.conf.
[bind.spec, vendor-files/config/named.conf]
* Fri Jan 21 2022 Callum Farmer <gmbr3@opensuse.org>
- Add now working CONFIG parameter to sysusers generator
* Thu Jan 20 2022 Josef Möllers <josef.moellers@suse.com>
- Upgrade to release 9.16.25
This upgrade fixes the following bugs:
* Enforce enqueuing TCP resumeread to prevent the next read
callback from being executed before the current read callback
has finished, and the worker receive buffer has been marked as
"freed".
* Allow replacing expired zone signatures with signatures created
by the KSK.
* An assertion could occur if a catalog zone event was scheduled
while the task manager was being shut down.
* Defer detaching from zone->raw in zone_shutdown() if the zone
is in the process of being dumped to disk, to ensure that the
unsigned serial number information is always written in the
raw-format header of the signed version on an inline-signed
zone.
* named could leak memory when two dnssec-policy clauses had the
same name. named failed to log this error.
* Add a missing isc_condition_destroy() for nmsocket condition
variable and add missing isc_mutex_destroy() for nmworker lock.
[bind-9.16.25.tar.xz, bind-9.16.25.tar.xz.sha512.asc]
* Wed Jan 19 2022 Josef Möllers <josef.moellers@suse.com>
- Added /var/log to the ReadWritePaths as some log files are
written there:
* dump-file "/var/log/named_dump.db"
* statistics-file "/var/log/named.stats"
[bsc#1194721, vendor-files.tar.bz2]
* Wed Dec 15 2021 Josef Möllers <josef.moellers@suse.com>
- Upgrade to release 9.16.24
This upgrade fixes the following bugs:
* mdig now honors the operating system's preferred ephemeral port
range.
* Fix a "named" crash related to removing and restoring a
`catalog-zone` entry in the configuration file and running
`rndc reconfig`.
* dns_sdlz_putrr failed to process some valid resource records.
* dnssec-dsfromkey failed to omit revoked keys.
Functional change:
* Change the message when accepting TCP connection has failed to
say "Accepting TCP connection failed" and change the log level
for ISC_R_NOTCONNECTED, ISC_R_QUOTA and ISC_R_SOFTQUOTA results
codes from ERROR to INFO.
[bind-9.16.24.tar.xz]
* Fri Dec 03 2021 Josef Möllers <josef.moellers@suse.com>
- Upgrade to 9.16.23
Security issues fixed:
The "lame-ttl" option is now forcibly set to 0. This
effectively disables the lame server cache, as it could
previously be abused by an attacker to significantly
degrade resolver performance. (CVE-2021-25219)
Bugs fixed:
In 9.16.21:
* When a dynamic zone was made available in another view
using the "in-view" statement, running "rndc freeze"
always reported an "already frozen" error even though
the zone was successfully frozen.
* Stale data in the cache could cause named to send
non-minimized queries despite QNAME minimization being
enabled.
* When a DNSSEC-signed zone which only has a single
signing key available is migrated to use KASP, that key
is now treated as a Combined Signing Key (CSK).
* When a member zone was removed from a catalog zone,
journal files for the former were not deleted.
* named-checkconf failed to detect syntactically invalid
values of the "key" and "tls" parameters used to define
members of remote server lists.
* Fixed a regression which caused the EDNS TCP Keepalive option to be
ignored inadvertently in client requests. It has now
been fixed and this option is handled properly again.
* Fixed a regression which altered the internal memory structure of
zone databases, but neglected to update the MAPAPI value
for zone files in "map" format. This caused named to
attempt to load incompatible map files, triggering an
assertion failure on startup. The MAPAPI value has now
been updated, so named rejects outdated files when
encountering them.
* The thread-local isc_tid_v variable was not properly
initialized when running BIND 9 as a Windows Service,
leading to a crash on startup.
* "map" files exceeding 2GB in size failed to load due to
a size comparison that incorrectly treated the file size
as a signed integer.
In 9.16.22:
* Remove the "adjust interface" mechanism which was
responsible for setting up listeners on interfaces when
the "*-source(-v6)" address and port were the same as
the "listen-on(-v6)" address and port. Such a
configuration is no longer supported; under certain
timing conditions, that mechanism could prevent named
from listening on some TCP ports. This has been fixed.
* Multiple library names were mistakenly passed to the
krb5-config utility when ./configure was invoked with
the --with-gssapi=[/path/to/]krb5-config option. This
has been fixed by invoking krb5-config separately for
each required library.
* Fixed a regression which broke backward compatibility for the
"check-names master ..." and "check-names slave ..."
options. This has been fixed.
* Address a potential deadlock when checking zone content
consistency.
In 9.16.23:
* Address Coverity warning in lib/dns/dnssec.c.
* Fix a bug when comparing two RSA keys. There was a typo
which caused the "p" prime factors to not being
compared.
* Fix an assertion failure caused by missing member zones
during a reload of a catalog zone.
This obsoletes bind-CVE-2021-25219.patch and
bind-fix-build-with-older-sphinx.patch
Other issues:
A compile time waring about fall through in a switch statement
has been averted by marking the cases as FALLTHROUGH.
[bind-9.16.23.tar.xz, bind-9.16.23.tar.xz.sha512.asc,
bind-CVE-2021-25219.patch, bind-fix-build-with-older-sphinx.patch,
bind-avoid-fallthrough-warning-error.patch]
* Mon Nov 08 2021 Josef Möllers <josef.moellers@suse.com>
- Aligned SLE15-SP4 and Factory spec files.
[bind.spec]
* Thu Nov 04 2021 Josef Möllers <josef.moellers@suse.com>
- Fixed CVE-2021-25219:
The lame-ttl option controls how long named caches certain types
of broken responses from authoritative servers (see the security
advisory for details). This caching mechanism could be abused by
an attacker to significantly degrade resolver performance. The
vulnerability has been mitigated by changing the default value of
lame-ttl to 0 and overriding any explicitly set value with 0,
effectively disabling this mechanism altogether. ISC's testing has
determined that doing that has a negligible impact on resolver
performance while also preventing abuse.
Administrators may observe more traffic towards servers issuing
certain types of broken responses than in previous BIND 9 releases.
[bsc#1192146, CVE-2021-25219, bind-CVE-2021-25219.patch]
* Mon Oct 18 2021 Josef Möllers <josef.moellers@suse.com>
- Just specifying "geoip-directory;" in /etc/named.conf is not
correct syntax. Must either put a path name or the string
"none". Appended the work "none" to make it correct syntax.
* Fri Oct 08 2021 Josef Möllers <josef.moellers@suse.com>
- Added build requirement of libmaxminddb to the spec file
Also added an entry for "geoip-directory" with the default path
to /etc/named.conf.
[bsc#1190884, vendor-files/config/named.conf, bind.spec]
* Thu Aug 19 2021 Josef Möllers <josef.moellers@suse.com>
- Upgrade to 9.16.20
Bugs fixed:
* An assertion failure occurred when named attempted to send a
UDP packet that exceeded the MTU size, if Response Rate
Limiting (RRL) was enabled. (CVE-2021-25218)
* Zones using KASP and inline-signed zones failed to apply
changes from the unsigned zone to the signed zone under
certain circumstances.
* "rndc reload <zonename>" could trigger a redundant reload for
an inline-signed zone whose zone file was not modified since
the last "rndc reload".
* named failed to check the opcode of responses when performing
zone refreshes, stub zone updates, and UPDATE forwarding.
* Some changes to "zone-statistics" settings were not properly
processed by "rndc reconfig".
* The "check DS" code failed to release all resources upon
named shutdown when a refresh was in progress.
* Authentication of rndc messages could fail if a "controls"
statement was configured with multiple key algorithms for
the same listener.
More changes see CHANGES in the source package.
[bsc#1189460, CVE-2021-25218]
* Thu Jul 29 2021 Paolo Stivanin <info@paolostivanin.com>
- Update to 9.16.19
* A race condition could occur where two threads were
competing for the same set of key file locks, leading to
a deadlock. This has been fixed. [GL #2786]
* create_keydata() created an invalid placeholder keydata
record upon a refresh failure, which prevented the
database of managed keys from subsequently being read
back. This has been fixed. [GL #2686]
* KASP support was extended with the "check DS" feature.
Zones with "dnssec-policy" and "parental-agents"
configured now check for DS presence and can perform
automatic KSK rollovers. [GL #1126]
* Rescheduling a setnsec3param() task when a zone failed
to load on startup caused a hang on shutdown. This has
been fixed. [GL #2791]
* The configuration-checking code failed to account for
the inheritance rules of the "dnssec-policy" option.
This has been fixed. [GL #2780]
* If nsupdate sends an SOA request and receives a REFUSED
response, it now fails over to the next available
server. [GL #2758]
* For UDP messages larger than the path MTU, named now
sends an empty response with the TC (TrunCated) bit set.
In addition, setting the DF (Don't Fragment) flag on
outgoing UDP sockets was re-enabled. [GL #2790]
* Views with recursion disabled are now configured with a
default cache size of 2 MB unless "max-cache-size" is
explicitly set. This prevents cache RBT hash tables from
being needlessly preallocated for such views. [GL #2777]
* Change 5644 inadvertently introduced a deadlock: when
locking the key file mutex for each zone structure in a
different view, the "in-view" logic was not considered.
This has been fixed. [GL #2783]
* Increasing "max-cache-size" for a running named instance
(using "rndc reconfig") did not cause the hash tables
used by cache databases to be grown accordingly. This
has been fixed. [GL #2770]
* Signed, insecure delegation responses prepared by named
either lacked the necessary NSEC records or contained
duplicate NSEC records when both wildcard expansion and
CNAME chaining were required to prepare the response.
This has been fixed. [GL #2759]
* A bug that caused the NSEC3 salt to be changed on every
restart for zones using KASP has been fixed. [GL #2725]
* Wed Jul 21 2021 Josef Möllers <josef.moellers@suse.com>
- Since BIND 9.9, it has been easier to use tsig-keygen and
ddns-confgen to generare TSIG keys. In 9.13, TSIG support was
removed from dnssec-keygen, so now it is just for DNSKEY (and KEY
for obscure cases). tsig-keygen is now used to generate DDNS keys.
[bsc#1187921, vendor-files.tar.bz2]
* Thu Jun 24 2021 Hans-Peter Jansen <hpj@urpla.net>
- Add patch bind-fix-build-with-older-sphinx.patch and sed fix
in order to build with older distributions.
* Wed Jun 23 2021 Josef Möllers <josef.moellers@suse.com>
- Upgrade to 9.16.18
* The configuration-checking code failed to account for the
inheritance rules of the "key-directory" option.
* When preparing DNS responses, named could replace the letters
'W' (uppercase) and 'w' (lowercase) with '\000'.
This has been fixed.
[bind-9.16.18.tar.xz, bind-9.16.18.tar.xz.sha512.asc]
* Sat Jun 19 2021 Callum Farmer <gmbr3@opensuse.org>
- Add now working CONFIG parameter to sysusers generator
* Thu Jun 17 2021 Josef Möllers <josef.moellers@suse.com>
- Upgrade to 9.16.17
Major changes (bug fixes):
* A copy-and-paste error caused the IP_DONTFRAG socket option to
be enabled instead of disabled. This has been fixed.
* The calculation of the estimated IXFR transaction size in
dns_journal_iter_init() was invalid.
* Fix a race condition in reading and writing key files for zones
using KASP and configured in multiple views.
* Zones which are configured in multiple views with different
values set for "dnssec-policy" and with identical values set
for "key-directory" are now detected and treated as a
configuration error.
* Address a potential memory leak in dst_key_fromnamedfile().
* Check that the first and last SOA record of an AXFR are
consistent.
* Improvements related to network manager/task manager
integration
[bind-9.16.17.tar.xz, bind-9.16.17.tar.xz.sha512.asc]
* Fri May 21 2021 Josef Möllers <josef.moellers@suse.com>
- vendor-files/system/named.prep was missing a $
[bsc#1186278, vendor-files.tar.bz2]
* Thu May 20 2021 Josef Möllers <josef.moellers@suse.com>
- Upgrade to bind 9.16.16
* Feature Changes
+ DNSSEC responses containing NSEC3 records with iteration counts
greater than 150 are now treated as insecure. [GL #2445]
+ The maximum supported number of NSEC3 iterations that can be
configured for a zone has been reduced to 150. [GL #2642]
+ The default value of the max-ixfr-ratio option was changed to
unlimited, for better backwards compatibility in the stable
release series. [GL #2671]
+ Zones that want to transition from secure to insecure mode
without becoming bogus in the process must now have their
dnssec-policy changed first to insecure, rather than none. After
the DNSSEC records have been removed from the zone, the
dnssec-policy can be set to none or removed from the
configuration. Setting the dnssec-policy to insecure causes CDS
and CDNSKEY DELETE records to be published. [GL #2645]
+ The implementation of the ZONEMD RR type has been updated to
match RFC 8976. [GL #2658]
+ The draft-vandijk-dnsop-nsec-ttl IETF draft was implemented:
NSEC(3) TTL values are now set to the minimum of the SOA MINIMUM
value or the SOA TTL. [GL #2347]
* Bug Fixes
+ It was possible for corrupt journal files generated by an earlier
version of named to cause problems after an upgrade. This has been
fixed. [GL #2670]
+ TTL values in cache dumps were reported incorrectly when
stale-cache-enable was set to yes. This has been fixed.
[GL #389] [GL #2289]
+ A deadlock could occur when multiple rndc addzone, rndc delzone,
and/or rndc modzone commands were invoked simultaneously for
different zones. This has been fixed. [GL #2626]
+ named and named-checkconf did not report an error when multiple
zones with the dnssec-policy option set were using the same zone
file. This has been fixed. [GL #2603]
+ If dnssec-policy was active and a private key file was temporarily
offline during a rekey event, named could incorrectly introduce
replacement keys and break a signed zone. This has been fixed.
[GL #2596]
+ When generating zone signing keys, KASP now also checks for key
ID conflicts among newly created keys, rather than just between
new and existing ones. [GL #2628]
* Tue May 18 2021 Josef Möllers <josef.moellers@suse.com>
- In /usr/libexec/bind/named.prep the order of arguments for
"ln -s" was wrong.
[vendor-files/system/named.prep, bsc#1186057]
* Mon May 17 2021 Josef Möllers <josef.moellers@suse.com>
- "systemctl reload named" does not work:
* the "kill" command is in /usr/bin, not in /sbin,
* the order of the options/arguments was wrong, and
* the "-p" option is wrong (it's not like strace's "-p").
[bsc#1186046, vendor-files/system/named.service]
* Mon May 10 2021 Ferdinand Thiessen <rpm@fthiessen.de>
- SPEC file: Fixed outdated URL and use secured SourceURLs
* Mon May 03 2021 Josef Möllers <josef.moellers@suse.com>
- Upgrade to bind 9.16.15
Major changes:
* A specially crafted GSS-TSIG query could cause a buffer
overflow in the ISC implementation of SPNEGO.
(CVE-2021-25216)
* named crashed when a DNAME record placed in the ANSWER
section during DNAME chasing turned out to be the final
answer to a client query. (CVE-2021-25215)
* Insufficient IXFR checks could result in named serving a
zone without an SOA record at the apex, leading to a
RUNTIME_CHECK assertion failure when the zone was
subsequently refreshed. This has been fixed by adding an
owner name check for all SOA records which are included
in a zone transfer. (CVE-2021-25214)
More changes see CHANGES in the source package.
[bsc#1185345,CVE-2021-25214,CVE-2021-25215,CVE-2021-25216]
* Thu Apr 08 2021 Josef Möllers <josef.moellers@suse.com>
- Rewrite of named service handling to better cope with systemd
protection (see change from Thu Jan 21) by introducing a
separate script "named.prep" which runs without restrictions
prior to starting named.
Removed all references to "lwresd" as "The lightweight resolver
daemon and library (lwresd and liblwres) have been removed."
(See CHANGES, item 4707)
[bind.spec, vendor-files.tar.bz2]
* Tue Mar 23 2021 Jan Engelhardt <jengelh@inai.de>
- Modernize specfile, and declare /bin/bash as required buildshell
(use of {a,b} style expansion).
* Fri Mar 12 2021 Matthias Gerstner <matthias.gerstner@suse.com>
- pass PIE compiler and linker flags via environment variables to make
/usr/bin/delv in bind-tools also position independent (bsc#1183453).
- drop pie_compile.diff: no longer needed, this patch is difficult to
maintain, the environment variable approach is less error prone.
* Thu Feb 18 2021 Josef Möllers <josef.moellers@suse.com>
- *** MAJOR CHANGES ***
* The libraries shipped with bind are now named after the bind
version (eg libisc-9.16.10.so), not some kind of artificial
number (eg libisc.so.1608)!
* For the time being (ie until the next upgrade),
new BIND option "stale-answer-client-timeout"
will be disabled (in /etc/named.conf): "stale-answer-enable no;"
* All libraries are now in bind-utils as they are used by bind
and bind-utils only and bind requires bind-utils.
This affects libdns, libirs, libisc, libisccc, libisccfg,
libns
* Dropped the devel packages as the libraries are used
internally only.
* Update to 9.16.12
Bugs fixed:
- KASP incorrectly set signature validity to the value of
the DNSKEY signature validity.
- Fix off-by-one bug in ISC SPNEGO implementation.
(CVE-2020-8625)
- Dig now reports unknown dash options while pre-parsing
the options. This prevents "-multi" instead of "+multi"
from reporting memory usage before ending option parsing
with "Invalid option: -lti".
- Fixed a crash in "dnssec-keyfromlabel" when using ECDSA
keys.
- Emit useful error message when "rndc retransfer" is
applied to a zone of inappropriate type.
- Improve performance of the DNSSEC verification code by
reducing the number of repeated calls to
dns_dnssec_keyfromrdata().
- named failed to start when its configuration included a
zone with a non-builtin "allow-update" ACL attached.
- Address potential double free in generatexml().
- When migrating to KASP, BIND 9 considered keys with the
"Inactive" and/or "Delete" timing metadata to be
possible active keys.
- Fix the "three is a crowd" key rollover bug in KASP by
correctly implementing Equation (2) of the "Flexible and
Robust Key Rollover" paper.
* dnssec-keygen can no longer generate HMAC keys.
Use tsig-keygen instead.
genDDNSkey script was modified to reflect this.
[vendor-files/tools/bind.genDDNSkey, bsc#1180933, CVE-2020-8625,
bsc#1182246, bsc#1182483]
* Thu Jan 21 2021 Josef Möllers <josef.moellers@suse.com>
- Upgrade to version 9.16.11
* Bug fixing (please check CHANGES file in the source RPM)
* Functional change:
policy none;", named now
permits a safe transition to insecure mode and publishes
the CDS and CDNSKEY DELETE records, as described in RFC 8078.
Remove useless Makefiles and Makefile skeleton files in
/usr/share/doc/packages/bind/contrib/
[bind.spec, bsc#1179040]
* ** MAJOR CHANGE ***
Changed protection of/against "named" from chroot jail to
systemd protection. This obsoletes subpackage named-chrootenv.
Kudos to Matthias Gerstner <matthias.gerstner@suse.com>
[bind.spec, bind-chrootenv.conf, vendor-files.tar.bz2, bsc#1180294]
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