SUSE: 2024:1894-1 important: bind Security Advisory Updates
Summary
## This update for bind fixes the following issues: * CVE-2023-50387: Fixed validating DNS messages containing a lot of DNSSEC signatures that could have let to a denial-of-service (bsc#1219823). * CVE-2023-50868: Fixed NSEC3 closest encloser proof that could have let to a denial-of-service (bsc#1219826). * CVE-2023-4408: Fixed parsing DNS messages with many different names that could have let to a denial-of-service (bsc#1219851). ## 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 Software Development Kit 12 SP5 zypper in -t patch SUSE-SLE-SDK-12-SP5-2024-1894=1 * SUSE Linux Enterprise High Performance Computing 12 SP5 zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-1894=1 * SUSE Linux Enterprise Server 12 SP5 zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-1894=1 * SUSE Linux Enterprise Server for SAP Applications 12 SP5 zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-1894=1 ## Package List: * SUSE Linux Enterprise Software Development Kit 12 SP5 (aarch64 ppc64le s390x x86_64) * bind-devel-9.11.22-3.52.1 * bind-debugsource-9.11.22-3.52.1 * bind-debuginfo-9.11.22-3.52.1 * SUSE Linux Enterprise High Performance Computing 12 SP5 (aarch64 x86_64) * bind-chrootenv-9.11.22-3.52.1 * liblwres161-debuginfo-9.11.22-3.52.1 * libirs161-9.11.22-3.52.1 * bind-utils-debuginfo-9.11.22-3.52.1 * libbind9-161-9.11.22-3.52.1 * libisc1107-9.11.22-3.52.1 * libisc1107-debuginfo-9.11.22-3.52.1 * bind-utils-9.11.22-3.52.1 * bind-debuginfo-9.11.22-3.52.1 * libbind9-161-debuginfo-9.11.22-3.52.1 * libirs161-debuginfo-9.11.22-3.52.1 * liblwres161-9.11.22-3.52.1 * bind-9.11.22-3.52.1 * libisccfg163-9.11.22-3.52.1 * libisccfg163-debuginfo-9.11.22-3.52.1 * libdns1110-debuginfo-9.11.22-3.52.1 * libisccc161-debuginfo-9.11.22-3.52.1 * bind-debugsource-9.11.22-3.52.1 * libdns1110-9.11.22-3.52.1 * libisccc161-9.11.22-3.52.1 * SUSE Linux Enterprise High Performance Computing 12 SP5 (noarch) * python-bind-9.11.22-3.52.1 * bind-doc-9.11.22-3.52.1 * SUSE Linux Enterprise High Performance Computing 12 SP5 (x86_64) * libisc1107-32bit-9.11.22-3.52.1 * libisc1107-debuginfo-32bit-9.11.22-3.52.1 * SUSE Linux Enterprise Server 12 SP5 (aarch64 ppc64le s390x x86_64) * bind-chrootenv-9.11.22-3.52.1 * liblwres161-debuginfo-9.11.22-3.52.1 * libirs161-9.11.22-3.52.1 * bind-utils-debuginfo-9.11.22-3.52.1 * libbind9-161-9.11.22-3.52.1 * libisc1107-9.11.22-3.52.1 * libisc1107-debuginfo-9.11.22-3.52.1 * bind-utils-9.11.22-3.52.1 * bind-debuginfo-9.11.22-3.52.1 * libbind9-161-debuginfo-9.11.22-3.52.1 * libirs161-debuginfo-9.11.22-3.52.1 * liblwres161-9.11.22-3.52.1 * bind-9.11.22-3.52.1 * libisccfg163-9.11.22-3.52.1 * libisccfg163-debuginfo-9.11.22-3.52.1 * libdns1110-debuginfo-9.11.22-3.52.1 * libisccc161-debuginfo-9.11.22-3.52.1 * bind-debugsource-9.11.22-3.52.1 * libdns1110-9.11.22-3.52.1 * libisccc161-9.11.22-3.52.1 * SUSE Linux Enterprise Server 12 SP5 (noarch) * python-bind-9.11.22-3.52.1 * bind-doc-9.11.22-3.52.1 * SUSE Linux Enterprise Server 12 SP5 (s390x x86_64) * libisc1107-32bit-9.11.22-3.52.1 * libisc1107-debuginfo-32bit-9.11.22-3.52.1 * SUSE Linux Enterprise Server for SAP Applications 12 SP5 (ppc64le x86_64) * bind-chrootenv-9.11.22-3.52.1 * liblwres161-debuginfo-9.11.22-3.52.1 * libirs161-9.11.22-3.52.1 * bind-utils-debuginfo-9.11.22-3.52.1 * libbind9-161-9.11.22-3.52.1 * libisc1107-9.11.22-3.52.1 * libisc1107-debuginfo-9.11.22-3.52.1 * bind-utils-9.11.22-3.52.1 * bind-debuginfo-9.11.22-3.52.1 * libbind9-161-debuginfo-9.11.22-3.52.1 * libirs161-debuginfo-9.11.22-3.52.1 * liblwres161-9.11.22-3.52.1 * bind-9.11.22-3.52.1 * libisccfg163-9.11.22-3.52.1 * libisccfg163-debuginfo-9.11.22-3.52.1 * libdns1110-debuginfo-9.11.22-3.52.1 * libisccc161-debuginfo-9.11.22-3.52.1 * bind-debugsource-9.11.22-3.52.1 * libdns1110-9.11.22-3.52.1 * libisccc161-9.11.22-3.52.1 * SUSE Linux Enterprise Server for SAP Applications 12 SP5 (noarch) * python-bind-9.11.22-3.52.1 * bind-doc-9.11.22-3.52.1 * SUSE Linux Enterprise Server for SAP Applications 12 SP5 (x86_64) * libisc1107-32bit-9.11.22-3.52.1 * libisc1107-debuginfo-32bit-9.11.22-3.52.1
References
* bsc#1219823
* bsc#1219826
* bsc#1219851
Cross-
* CVE-2023-4408
* CVE-2023-50387
* CVE-2023-50868
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
Affected Products:
* SUSE Linux Enterprise High Performance Computing 12 SP5
* SUSE Linux Enterprise Server 12 SP5
* SUSE Linux Enterprise Server for SAP Applications 12 SP5
* SUSE Linux Enterprise Software Development Kit 12 SP5
An update that solves three vulnerabilities can now be installed.
##
* 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://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