# Security update for bind

Announcement ID: SUSE-SU-2024:2033-1  
Rating: important  
References:

  * bsc#1219823
  * bsc#1219826
  * bsc#1219851
  * bsc#1219852
  * bsc#1219854

  
Cross-References:

  * CVE-2023-4408
  * CVE-2023-50387
  * CVE-2023-50868
  * CVE-2023-5517
  * CVE-2023-6516

  
CVSS scores:

  * CVE-2023-4408 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-50387 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-50387 ( NVD ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-50868 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-5517 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-6516 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 15 SP2
  * SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2
  * SUSE Linux Enterprise Micro 5.0
  * SUSE Linux Enterprise Micro 5.1
  * SUSE Linux Enterprise Micro 5.2
  * SUSE Linux Enterprise Micro 5.3
  * SUSE Linux Enterprise Micro 5.4
  * SUSE Linux Enterprise Micro 5.5
  * SUSE Linux Enterprise Server 15 SP2
  * SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2
  * SUSE Linux Enterprise Server for SAP Applications 15 SP2
  * SUSE Manager Client Tools for SLE Micro 5

  
  
An update that solves five vulnerabilities can now be installed.

## Description:

This update for bind fixes the following issues:

  * CVE-2023-4408: Fixed denial of service during DNS message parsing with
    different names (bsc#1219851)
  * CVE-2023-50387: Fixed denial of service during DNS messages validation with
    DNSSEC signatures (bsc#1219823)
  * CVE-2023-50868: Fixed denial of service during NSEC3 closest encloser proof
    preparation (bsc#1219826)
  * CVE-2023-5517: Fixed denial of service caused by specific queries with
    nxdomain-redirect enabled (bsc#1219852)
  * CVE-2023-6516: Fixed denial of service caused by specific queries that
    continuously triggered cache database maintenance (bsc#1219854)

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP2-LTSS-2024-2033=1

  * SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP2-LTSS-2024-2033=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP2  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP2-2024-2033=1

  * SUSE Manager Client Tools for SLE Micro 5  
    zypper in -t patch SUSE-SLE-Manager-Tools-For-Micro-5-2024-2033=1

## Package List:

  * SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2 (aarch64
    x86_64)
    * libbind9-1600-9.16.6-150000.12.74.2
    * libirs1601-9.16.6-150000.12.74.2
    * libdns1605-debuginfo-9.16.6-150000.12.74.2
    * bind-utils-9.16.6-150000.12.74.2
    * libisc1606-9.16.6-150000.12.74.2
    * libisccfg1600-9.16.6-150000.12.74.2
    * bind-9.16.6-150000.12.74.2
    * libisccfg1600-debuginfo-9.16.6-150000.12.74.2
    * bind-debuginfo-9.16.6-150000.12.74.2
    * libuv-devel-1.18.0-150000.3.2.1
    * libisccc1600-9.16.6-150000.12.74.2
    * libns1604-debuginfo-9.16.6-150000.12.74.2
    * libirs1601-debuginfo-9.16.6-150000.12.74.2
    * libuv-debugsource-1.18.0-150000.3.2.1
    * libuv1-debuginfo-1.18.0-150000.3.2.1
    * libdns1605-9.16.6-150000.12.74.2
    * bind-debugsource-9.16.6-150000.12.74.2
    * libuv1-1.18.0-150000.3.2.1
    * bind-chrootenv-9.16.6-150000.12.74.2
    * bind-devel-9.16.6-150000.12.74.2
    * bind-utils-debuginfo-9.16.6-150000.12.74.2
    * libbind9-1600-debuginfo-9.16.6-150000.12.74.2
    * libns1604-9.16.6-150000.12.74.2
    * libirs-devel-9.16.6-150000.12.74.2
    * libisccc1600-debuginfo-9.16.6-150000.12.74.2
    * libisc1606-debuginfo-9.16.6-150000.12.74.2
  * SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2 (noarch)
    * python3-bind-9.16.6-150000.12.74.2
    * bind-doc-9.16.6-150000.12.74.2
  * SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (aarch64 ppc64le s390x
    x86_64)
    * libbind9-1600-9.16.6-150000.12.74.2
    * libirs1601-9.16.6-150000.12.74.2
    * libdns1605-debuginfo-9.16.6-150000.12.74.2
    * bind-utils-9.16.6-150000.12.74.2
    * libisc1606-9.16.6-150000.12.74.2
    * libisccfg1600-9.16.6-150000.12.74.2
    * bind-9.16.6-150000.12.74.2
    * libisccfg1600-debuginfo-9.16.6-150000.12.74.2
    * bind-debuginfo-9.16.6-150000.12.74.2
    * libuv-devel-1.18.0-150000.3.2.1
    * libisccc1600-9.16.6-150000.12.74.2
    * libns1604-debuginfo-9.16.6-150000.12.74.2
    * libirs1601-debuginfo-9.16.6-150000.12.74.2
    * libuv-debugsource-1.18.0-150000.3.2.1
    * libuv1-debuginfo-1.18.0-150000.3.2.1
    * libdns1605-9.16.6-150000.12.74.2
    * bind-debugsource-9.16.6-150000.12.74.2
    * libuv1-1.18.0-150000.3.2.1
    * bind-chrootenv-9.16.6-150000.12.74.2
    * bind-devel-9.16.6-150000.12.74.2
    * bind-utils-debuginfo-9.16.6-150000.12.74.2
    * libbind9-1600-debuginfo-9.16.6-150000.12.74.2
    * libns1604-9.16.6-150000.12.74.2
    * libirs-devel-9.16.6-150000.12.74.2
    * libisccc1600-debuginfo-9.16.6-150000.12.74.2
    * libisc1606-debuginfo-9.16.6-150000.12.74.2
  * SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (noarch)
    * python3-bind-9.16.6-150000.12.74.2
    * bind-doc-9.16.6-150000.12.74.2
  * SUSE Linux Enterprise Server for SAP Applications 15 SP2 (ppc64le x86_64)
    * libbind9-1600-9.16.6-150000.12.74.2
    * libirs1601-9.16.6-150000.12.74.2
    * libdns1605-debuginfo-9.16.6-150000.12.74.2
    * bind-utils-9.16.6-150000.12.74.2
    * libisc1606-9.16.6-150000.12.74.2
    * libisccfg1600-9.16.6-150000.12.74.2
    * bind-9.16.6-150000.12.74.2
    * libisccfg1600-debuginfo-9.16.6-150000.12.74.2
    * bind-debuginfo-9.16.6-150000.12.74.2
    * libuv-devel-1.18.0-150000.3.2.1
    * libisccc1600-9.16.6-150000.12.74.2
    * libns1604-debuginfo-9.16.6-150000.12.74.2
    * libirs1601-debuginfo-9.16.6-150000.12.74.2
    * libuv-debugsource-1.18.0-150000.3.2.1
    * libuv1-debuginfo-1.18.0-150000.3.2.1
    * libdns1605-9.16.6-150000.12.74.2
    * bind-debugsource-9.16.6-150000.12.74.2
    * libuv1-1.18.0-150000.3.2.1
    * bind-chrootenv-9.16.6-150000.12.74.2
    * bind-devel-9.16.6-150000.12.74.2
    * bind-utils-debuginfo-9.16.6-150000.12.74.2
    * libbind9-1600-debuginfo-9.16.6-150000.12.74.2
    * libns1604-9.16.6-150000.12.74.2
    * libirs-devel-9.16.6-150000.12.74.2
    * libisccc1600-debuginfo-9.16.6-150000.12.74.2
    * libisc1606-debuginfo-9.16.6-150000.12.74.2
  * SUSE Linux Enterprise Server for SAP Applications 15 SP2 (noarch)
    * python3-bind-9.16.6-150000.12.74.2
    * bind-doc-9.16.6-150000.12.74.2
  * SUSE Manager Client Tools for SLE Micro 5 (aarch64 s390x x86_64)
    * libbind9-1600-9.16.6-150000.12.74.2
    * libirs1601-9.16.6-150000.12.74.2
    * libuv1-debuginfo-1.18.0-150000.3.2.1
    * libdns1605-9.16.6-150000.12.74.2
    * libns1604-9.16.6-150000.12.74.2
    * libuv1-1.18.0-150000.3.2.1
    * libisccc1600-9.16.6-150000.12.74.2
    * bind-utils-9.16.6-150000.12.74.2
    * libns1604-debuginfo-9.16.6-150000.12.74.2
    * libisc1606-9.16.6-150000.12.74.2
    * libisccfg1600-9.16.6-150000.12.74.2
  * SUSE Manager Client Tools for SLE Micro 5 (aarch64_ilp32)
    * libisccc1600-64bit-9.16.6-150000.12.74.2
    * libirs1601-64bit-9.16.6-150000.12.74.2
    * libisc1606-64bit-9.16.6-150000.12.74.2
    * libisccfg1600-64bit-9.16.6-150000.12.74.2
    * libdns1605-64bit-9.16.6-150000.12.74.2
    * libbind9-1600-64bit-9.16.6-150000.12.74.2
  * SUSE Manager Client Tools for SLE Micro 5 (noarch)
    * python3-bind-9.16.6-150000.12.74.2

## References:

  * https://www.suse.com/security/cve/CVE-2023-4408.html
  * https://www.suse.com/security/cve/CVE-2023-50387.html
  * https://www.suse.com/security/cve/CVE-2023-50868.html
  * https://www.suse.com/security/cve/CVE-2023-5517.html
  * https://www.suse.com/security/cve/CVE-2023-6516.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1219823
  * https://bugzilla.suse.com/show_bug.cgi?id=1219826
  * https://bugzilla.suse.com/show_bug.cgi?id=1219851
  * https://bugzilla.suse.com/show_bug.cgi?id=1219852
  * https://bugzilla.suse.com/show_bug.cgi?id=1219854