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Package "bind9"

Name: bind9

Description:

Internet Domain Name Server
Latest version: 1:9.18.28-0ubuntu0.20.04.1
Release: focal (20.04)
Level: security
Repository: main
Homepage: https://www.isc.org/downloads/bind/

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Other versions of "bind9" in Focal

Repository Area Version
base main 1:9.16.1-0ubuntu2
base universe 1:9.16.1-0ubuntu2
security universe 1:9.18.28-0ubuntu0.20.04.1
updates universe 1:9.18.28-0ubuntu0.20.04.1
updates main 1:9.18.28-0ubuntu0.20.04.1
proposed universe 1:9.18.30-0ubuntu0.20.04.1
proposed main 1:9.18.30-0ubuntu0.20.04.1

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Changelog

Version: 1:9.18.28-0ubuntu0.20.04.1 2024-07-23 16:07:03 UTC

  bind9 (1:9.18.28-0ubuntu0.20.04.1) focal-security; urgency=medium

  * Updated to 9.18.28 to fix multiple security issues.
    - Please see the following for a list of changes, including possibly
      incompatible ones:
      https://kb.isc.org/docs/changes-to-be-aware-of-when-moving-from-bind-916-to-918
    - CVE-2024-0760: A flood of DNS messages over TCP may make the server
      unstable
    - CVE-2024-1737: BIND's database will be slow if a very large number of
      RRs exist at the same name
    - CVE-2024-1975: SIG(0) can be used to exhaust CPU resources
    - CVE-2024-4076: Assertion failure when serving both stale cache data
      and authoritative zone content
  * Packaging changes required for 9.18.28:
    - Dropped patches no longer required with 9.18.28:
      + 0001-Add_--install-layout=deb_to_setup.py_call.patch
      + 0002-python-fix-for-dist-packages.patch
      + 0003-Remove-the-reference-to-OPTIONS.md-it-breaks-build-o.patch
    - Synced patch with jammy's 1:9.18.28-0ubuntu0.22.04.1 package:
      + always-use-standard-library-stdatomic.patch
    - debian/NEWS: list changes in 9.18, taken from jammy.
    - debian/*: sync most of the packaging with jammy's package, including
      autopkgtests except for dyndb-ldap as the bind-dyndb-ldap package is
      broken in focal.
    - debian/tests/simpletest: wait a couple of seconds for the service to
      actually start.

 -- Marc Deslauriers <email address hidden> Tue, 16 Jul 2024 14:48:12 -0400
Source diff to previous version

Version: 1:9.16.48-0ubuntu0.20.04.1 2024-02-19 16:06:54 UTC

  bind9 (1:9.16.48-0ubuntu0.20.04.1) focal-security; urgency=medium

  * Updated to 9.16.48 to fix multiple security issues.
    - Please see the following for a list of changes, including possibly
      incompatible ones:
      https://downloads.isc.org/isc/bind9/9.16.48/doc/arm/html/notes.html
    - CVE-2023-4408
    - CVE-2023-5517
    - CVE-2023-6516
    - CVE-2023-50387
    - CVE-2023-50868
  * Packaging changes required for 9.16.48:
    - Dropped patches no longer required with 9.16.48:
      + CVE-*.patch
      + fix-rebinding-protection.patch,
      + 0003-Print-diagnostics-on-dns_name_issubdomain-failure-in.patch
      + lp-1909950-fix-race-between-deactivating-handle-async-callback.patch
      + lp1997375-segfault-isc-nm-tcp-send.patch
    - Synced other patches with Debian's 1:9.16.48-1 package
    - debian/*.install, debian/*.links: updated with new files in 9.16.48.
    - debian/rules, debian/not-installed: don't delete old -dev files, just
      don't install them.
    - debian/control, debian/rules: switch packages required to build
      documentation.

 -- Marc Deslauriers <email address hidden> Wed, 14 Feb 2024 07:49:14 -0500
Source diff to previous version
CVE-2023-4408 The DNS message parsing code in `named` includes a section whose computational complexity is overly high. It does not cause problems for typical DNS
CVE-2023-5517 A flaw in query-handling code can cause `named` to exit prematurely with an assertion failure when: - `nxdomain-redirect <domain>;` is configured,
CVE-2023-6516 To keep its cache database efficient, `named` running as a recursive resolver occasionally attempts to clean up the database. It uses several methods
CVE-2023-50387 Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote attackers to cause a denial of service (CPU
CVE-2023-50868 The Closest Encloser Proof aspect of the DNS protocol (in RFC 5155 when RFC 9276 guidance is skipped) allows remote attackers to cause a denial of se

Version: 1:9.16.1-0ubuntu2.16 2023-09-20 16:08:29 UTC

  bind9 (1:9.16.1-0ubuntu2.16) focal-security; urgency=medium

  * SECURITY UPDATE: DoS via recusive packet parsing
    - debian/patches/CVE-2023-3341.patch: add a max depth check to
      lib/isccc/include/isccc/result.h, lib/isccc/result.c, lib/isccc/cc.c.
    - CVE-2023-3341

 -- Marc Deslauriers <email address hidden> Tue, 19 Sep 2023 07:22:19 -0400
Source diff to previous version
CVE-2023-3341 A stack exhaustion flaw in control channel code may cause named to terminate unexpectedly

Version: 1:9.16.1-0ubuntu2.15 2023-06-21 19:07:01 UTC

  bind9 (1:9.16.1-0ubuntu2.15) focal-security; urgency=medium

  * SECURITY UPDATE: Configured cache size limit can be significantly
    exceeded
    - debian/patches/CVE-2023-2828.patch: fix cache expiry in
      lib/dns/rbtdb.c.
    - CVE-2023-2828

 -- Marc Deslauriers <email address hidden> Tue, 20 Jun 2023 08:38:29 -0400
Source diff to previous version
CVE-2023-2828 named's configured cache size limit can be significantly exceeded

Version: 1:9.16.1-0ubuntu2.12 2023-01-25 19:06:54 UTC

  bind9 (1:9.16.1-0ubuntu2.12) focal-security; urgency=medium

  * SECURITY UPDATE: An UPDATE message flood may cause named to exhaust all
    available memory
    - debian/patches/CVE-2022-3094.patch: add counter in
      bin/named/bind9.xsl, bin/named/statschannel.c,
      lib/ns/include/ns/server.h, lib/ns/include/ns/stats.h,
      lib/ns/server.c, lib/ns/update.c.
    - CVE-2022-3094

 -- Marc Deslauriers <email address hidden> Tue, 24 Jan 2023 08:30:54 -0500


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