SUSE-SU-2023:0164-1: important: Security update for samba

Thu Jan 26 20:38:02 UTC 2023

   SUSE Security Update: Security update for samba
______________________________________________________________________________

Announcement ID:    SUSE-SU-2023:0164-1
Rating:             important
References:         #1205385 #1206504 #1206546 
Cross-References:   CVE-2021-20251 CVE-2022-37966 CVE-2022-38023

CVSS scores:
                    CVE-2021-20251 (SUSE): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
                    CVE-2022-37966 (NVD) : 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
                    CVE-2022-37966 (SUSE): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
                    CVE-2022-38023 (NVD) : 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
                    CVE-2022-38023 (SUSE): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products:
                    SUSE Linux Enterprise High Availability 12-SP5
                    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 fixes three vulnerabilities is now available.

Description:

   This update for samba fixes the following issues:

   - CVE-2021-20251: Fixed an issue where the bad password count would not be
     properly incremented, which could allow attackers to brute force a
     user's password (bsc#1206546).
   - CVE-2022-37966: Fixed an issue where a weak cipher would be selected to
     encrypt session keys, which could lead to privilege escalation
     (bsc#1205385).

Patch Instructions:

   To install this SUSE Security 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-SP5-2023-164=1

   - SUSE Linux Enterprise Server 12-SP5:

      zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-164=1

   - SUSE Linux Enterprise High Availability 12-SP5:

      zypper in -t patch SUSE-SLE-HA-12-SP5-2023-164=1

Package List:

   - SUSE Linux Enterprise Software Development Kit 12-SP5 (aarch64 ppc64le s390x x86_64):

      libsamba-policy-devel-4.15.13+git.534.0d9f8ece26-3.77.1
      libsamba-policy-python3-devel-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-debuginfo-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-debugsource-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-devel-4.15.13+git.534.0d9f8ece26-3.77.1

   - SUSE Linux Enterprise Software Development Kit 12-SP5 (s390x x86_64):

      samba-devel-32bit-4.15.13+git.534.0d9f8ece26-3.77.1

   - SUSE Linux Enterprise Server 12-SP5 (aarch64 ppc64le s390x x86_64):

      libsamba-policy0-python3-4.15.13+git.534.0d9f8ece26-3.77.1
      libsamba-policy0-python3-debuginfo-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-client-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-client-debuginfo-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-client-libs-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-client-libs-debuginfo-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-debuginfo-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-debugsource-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-ldb-ldap-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-ldb-ldap-debuginfo-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-libs-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-libs-debuginfo-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-libs-python3-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-libs-python3-debuginfo-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-python3-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-python3-debuginfo-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-tool-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-winbind-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-winbind-debuginfo-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-winbind-libs-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-winbind-libs-debuginfo-4.15.13+git.534.0d9f8ece26-3.77.1

   - SUSE Linux Enterprise Server 12-SP5 (s390x x86_64):

      libsamba-policy0-python3-32bit-4.15.13+git.534.0d9f8ece26-3.77.1
      libsamba-policy0-python3-debuginfo-32bit-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-client-32bit-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-client-debuginfo-32bit-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-client-libs-32bit-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-client-libs-debuginfo-32bit-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-libs-32bit-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-libs-debuginfo-32bit-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-libs-python3-32bit-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-libs-python3-debuginfo-32bit-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-winbind-libs-32bit-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-winbind-libs-debuginfo-32bit-4.15.13+git.534.0d9f8ece26-3.77.1

   - SUSE Linux Enterprise Server 12-SP5 (aarch64):

      samba-devel-4.15.13+git.534.0d9f8ece26-3.77.1

   - SUSE Linux Enterprise Server 12-SP5 (ppc64le):

      libsamba-policy-python3-devel-4.15.13+git.534.0d9f8ece26-3.77.1

   - SUSE Linux Enterprise Server 12-SP5 (noarch):

      samba-doc-4.15.13+git.534.0d9f8ece26-3.77.1

   - SUSE Linux Enterprise High Availability 12-SP5 (ppc64le s390x x86_64):

      ctdb-4.15.13+git.534.0d9f8ece26-3.77.1
      ctdb-debuginfo-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-debuginfo-4.15.13+git.534.0d9f8ece26-3.77.1
      samba-debugsource-4.15.13+git.534.0d9f8ece26-3.77.1

References:

   https://www.suse.com/security/cve/CVE-2021-20251.html
   https://www.suse.com/security/cve/CVE-2022-37966.html
   https://www.suse.com/security/cve/CVE-2022-38023.html
   https://bugzilla.suse.com/1205385
   https://bugzilla.suse.com/1206504
   https://bugzilla.suse.com/1206546