SUSE-SU-2021:3454-1: moderate: Security update for krb5

[sle-security-updates at lists.suse.com]

   SUSE Security Update: Security update for krb5
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:3454-1
Rating:             moderate
References:         #1189929 
Cross-References:   CVE-2021-37750
CVSS scores:
                    CVE-2021-37750 (SUSE): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products:
                    SUSE MicroOS 5.0
                    SUSE Linux Enterprise Module for Server Applications 15-SP3
                    SUSE Linux Enterprise Module for Server Applications 15-SP2
                    SUSE Linux Enterprise Module for Basesystem 15-SP3
                    SUSE Linux Enterprise Module for Basesystem 15-SP2
______________________________________________________________________________

   An update that fixes one vulnerability is now available.

Description:

   This update for krb5 fixes the following issues:

   - CVE-2021-37750: Fixed KDC null pointer dereference via a FAST inner body
     that lacks a server field (bsc#1189929).


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 MicroOS 5.0:

      zypper in -t patch SUSE-SUSE-MicroOS-5.0-2021-3454=1

   - SUSE Linux Enterprise Module for Server Applications 15-SP3:

      zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP3-2021-3454=1

   - SUSE Linux Enterprise Module for Server Applications 15-SP2:

      zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP2-2021-3454=1

   - SUSE Linux Enterprise Module for Basesystem 15-SP3:

      zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP3-2021-3454=1

   - SUSE Linux Enterprise Module for Basesystem 15-SP2:

      zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2021-3454=1



Package List:

   - SUSE MicroOS 5.0 (aarch64 x86_64):

      krb5-1.16.3-3.24.1
      krb5-debuginfo-1.16.3-3.24.1
      krb5-debugsource-1.16.3-3.24.1

   - SUSE Linux Enterprise Module for Server Applications 15-SP3 (aarch64 ppc64le s390x x86_64):

      krb5-debuginfo-1.16.3-3.24.1
      krb5-debugsource-1.16.3-3.24.1
      krb5-plugin-kdb-ldap-1.16.3-3.24.1
      krb5-plugin-kdb-ldap-debuginfo-1.16.3-3.24.1
      krb5-server-1.16.3-3.24.1
      krb5-server-debuginfo-1.16.3-3.24.1

   - SUSE Linux Enterprise Module for Server Applications 15-SP2 (aarch64 ppc64le s390x x86_64):

      krb5-debuginfo-1.16.3-3.24.1
      krb5-debugsource-1.16.3-3.24.1
      krb5-plugin-kdb-ldap-1.16.3-3.24.1
      krb5-plugin-kdb-ldap-debuginfo-1.16.3-3.24.1
      krb5-server-1.16.3-3.24.1
      krb5-server-debuginfo-1.16.3-3.24.1

   - SUSE Linux Enterprise Module for Basesystem 15-SP3 (aarch64 ppc64le s390x x86_64):

      krb5-1.16.3-3.24.1
      krb5-client-1.16.3-3.24.1
      krb5-client-debuginfo-1.16.3-3.24.1
      krb5-debuginfo-1.16.3-3.24.1
      krb5-debugsource-1.16.3-3.24.1
      krb5-devel-1.16.3-3.24.1
      krb5-plugin-preauth-otp-1.16.3-3.24.1
      krb5-plugin-preauth-otp-debuginfo-1.16.3-3.24.1
      krb5-plugin-preauth-pkinit-1.16.3-3.24.1
      krb5-plugin-preauth-pkinit-debuginfo-1.16.3-3.24.1

   - SUSE Linux Enterprise Module for Basesystem 15-SP3 (x86_64):

      krb5-32bit-1.16.3-3.24.1
      krb5-32bit-debuginfo-1.16.3-3.24.1

   - SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 ppc64le s390x x86_64):

      krb5-1.16.3-3.24.1
      krb5-client-1.16.3-3.24.1
      krb5-client-debuginfo-1.16.3-3.24.1
      krb5-debuginfo-1.16.3-3.24.1
      krb5-debugsource-1.16.3-3.24.1
      krb5-devel-1.16.3-3.24.1
      krb5-plugin-preauth-otp-1.16.3-3.24.1
      krb5-plugin-preauth-otp-debuginfo-1.16.3-3.24.1
      krb5-plugin-preauth-pkinit-1.16.3-3.24.1
      krb5-plugin-preauth-pkinit-debuginfo-1.16.3-3.24.1

   - SUSE Linux Enterprise Module for Basesystem 15-SP2 (x86_64):

      krb5-32bit-1.16.3-3.24.1
      krb5-32bit-debuginfo-1.16.3-3.24.1


References:

   https://www.suse.com/security/cve/CVE-2021-37750.html
   https://bugzilla.suse.com/1189929