SUSE Security Update: Security update for krb5
______________________________________________________________________________

Announcement ID:    SUSE-SU-2022:4154-1
Rating:             important
References:         #1189929 #1205126 
Cross-References:   CVE-2021-37750 CVE-2022-42898
CVSS scores:
                    CVE-2021-37750 (NVD) : 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
                    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
                    CVE-2022-42898 (SUSE): 6.4 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L

Affected Products:
                    SUSE Linux Enterprise High Performance Computing 15-ESPOS
                    SUSE Linux Enterprise High Performance Computing 15-LTSS
                    SUSE Linux Enterprise Server 15-LTSS
                    SUSE Linux Enterprise Server for SAP 15
______________________________________________________________________________

   An update that fixes two vulnerabilities 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).
   - CVE-2022-42898: Fixed integer overflow in PAC parsing (bsc#1205126).


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 Server for SAP 15:

      zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2022-4154=1

   - SUSE Linux Enterprise Server 15-LTSS:

      zypper in -t patch SUSE-SLE-Product-SLES-15-2022-4154=1

   - SUSE Linux Enterprise High Performance Computing 15-LTSS:

      zypper in -t patch SUSE-SLE-Product-HPC-15-2022-4154=1

   - SUSE Linux Enterprise High Performance Computing 15-ESPOS:

      zypper in -t patch SUSE-SLE-Product-HPC-15-2022-4154=1



Package List:

   - SUSE Linux Enterprise Server for SAP 15 (ppc64le x86_64):

      krb5-1.15.2-150000.6.17.1
      krb5-client-1.15.2-150000.6.17.1
      krb5-client-debuginfo-1.15.2-150000.6.17.1
      krb5-debuginfo-1.15.2-150000.6.17.1
      krb5-debugsource-1.15.2-150000.6.17.1
      krb5-devel-1.15.2-150000.6.17.1
      krb5-plugin-kdb-ldap-1.15.2-150000.6.17.1
      krb5-plugin-kdb-ldap-debuginfo-1.15.2-150000.6.17.1
      krb5-plugin-preauth-otp-1.15.2-150000.6.17.1
      krb5-plugin-preauth-otp-debuginfo-1.15.2-150000.6.17.1
      krb5-plugin-preauth-pkinit-1.15.2-150000.6.17.1
      krb5-plugin-preauth-pkinit-debuginfo-1.15.2-150000.6.17.1
      krb5-server-1.15.2-150000.6.17.1
      krb5-server-debuginfo-1.15.2-150000.6.17.1

   - SUSE Linux Enterprise Server for SAP 15 (x86_64):

      krb5-32bit-1.15.2-150000.6.17.1
      krb5-32bit-debuginfo-1.15.2-150000.6.17.1

   - SUSE Linux Enterprise Server 15-LTSS (aarch64 s390x):

      krb5-1.15.2-150000.6.17.1
      krb5-client-1.15.2-150000.6.17.1
      krb5-client-debuginfo-1.15.2-150000.6.17.1
      krb5-debuginfo-1.15.2-150000.6.17.1
      krb5-debugsource-1.15.2-150000.6.17.1
      krb5-devel-1.15.2-150000.6.17.1
      krb5-plugin-kdb-ldap-1.15.2-150000.6.17.1
      krb5-plugin-kdb-ldap-debuginfo-1.15.2-150000.6.17.1
      krb5-plugin-preauth-otp-1.15.2-150000.6.17.1
      krb5-plugin-preauth-otp-debuginfo-1.15.2-150000.6.17.1
      krb5-plugin-preauth-pkinit-1.15.2-150000.6.17.1
      krb5-plugin-preauth-pkinit-debuginfo-1.15.2-150000.6.17.1
      krb5-server-1.15.2-150000.6.17.1
      krb5-server-debuginfo-1.15.2-150000.6.17.1

   - SUSE Linux Enterprise High Performance Computing 15-LTSS (aarch64 x86_64):

      krb5-1.15.2-150000.6.17.1
      krb5-client-1.15.2-150000.6.17.1
      krb5-client-debuginfo-1.15.2-150000.6.17.1
      krb5-debuginfo-1.15.2-150000.6.17.1
      krb5-debugsource-1.15.2-150000.6.17.1
      krb5-devel-1.15.2-150000.6.17.1
      krb5-plugin-kdb-ldap-1.15.2-150000.6.17.1
      krb5-plugin-kdb-ldap-debuginfo-1.15.2-150000.6.17.1
      krb5-plugin-preauth-otp-1.15.2-150000.6.17.1
      krb5-plugin-preauth-otp-debuginfo-1.15.2-150000.6.17.1
      krb5-plugin-preauth-pkinit-1.15.2-150000.6.17.1
      krb5-plugin-preauth-pkinit-debuginfo-1.15.2-150000.6.17.1
      krb5-server-1.15.2-150000.6.17.1
      krb5-server-debuginfo-1.15.2-150000.6.17.1

   - SUSE Linux Enterprise High Performance Computing 15-LTSS (x86_64):

      krb5-32bit-1.15.2-150000.6.17.1
      krb5-32bit-debuginfo-1.15.2-150000.6.17.1

   - SUSE Linux Enterprise High Performance Computing 15-ESPOS (aarch64 x86_64):

      krb5-1.15.2-150000.6.17.1
      krb5-client-1.15.2-150000.6.17.1
      krb5-client-debuginfo-1.15.2-150000.6.17.1
      krb5-debuginfo-1.15.2-150000.6.17.1
      krb5-debugsource-1.15.2-150000.6.17.1
      krb5-devel-1.15.2-150000.6.17.1
      krb5-plugin-kdb-ldap-1.15.2-150000.6.17.1
      krb5-plugin-kdb-ldap-debuginfo-1.15.2-150000.6.17.1
      krb5-plugin-preauth-otp-1.15.2-150000.6.17.1
      krb5-plugin-preauth-otp-debuginfo-1.15.2-150000.6.17.1
      krb5-plugin-preauth-pkinit-1.15.2-150000.6.17.1
      krb5-plugin-preauth-pkinit-debuginfo-1.15.2-150000.6.17.1
      krb5-server-1.15.2-150000.6.17.1
      krb5-server-debuginfo-1.15.2-150000.6.17.1

   - SUSE Linux Enterprise High Performance Computing 15-ESPOS (x86_64):

      krb5-32bit-1.15.2-150000.6.17.1
      krb5-32bit-debuginfo-1.15.2-150000.6.17.1


References:

   https://www.suse.com/security/cve/CVE-2021-37750.html
   https://www.suse.com/security/cve/CVE-2022-42898.html
   https://bugzilla.suse.com/1189929
   https://bugzilla.suse.com/1205126