Security update for krb5

Announcement ID:	SUSE-SU-2022:4154-1
Rating:	important
References:	bsc#1189929 bsc#1205126
Cross-References:	CVE-2021-37750 CVE-2022-42898
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 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-2022-42898 ( SUSE ): 6.4 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:H/A:L CVE-2022-42898 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:	SUSE Linux Enterprise High Performance Computing 15 SUSE Linux Enterprise High Performance Computing 15 LTSS 15 SUSE Linux Enterprise Server 15 SUSE Linux Enterprise Server 15 LTSS 15 SUSE Linux Enterprise Server ESPOS 15 SUSE Linux Enterprise Server for SAP Applications 15

An update that solves two vulnerabilities can now be installed.

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 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 ESPOS 15
  zypper in -t patch SUSE-SLE-Product-HPC-15-2022-4154=1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 15
  zypper in -t patch SUSE-SLE-Product-HPC-15-2022-4154=1
• SUSE Linux Enterprise Server 15 LTSS 15
  zypper in -t patch SUSE-SLE-Product-SLES-15-2022-4154=1
• SUSE Linux Enterprise Server for SAP Applications 15
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2022-4154=1

Package List:

• SUSE Linux Enterprise Server ESPOS 15 (aarch64 x86_64)
  • krb5-server-debuginfo-1.15.2-150000.6.17.1
  • krb5-plugin-kdb-ldap-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-client-debuginfo-1.15.2-150000.6.17.1
  • krb5-plugin-preauth-pkinit-1.15.2-150000.6.17.1
  • krb5-1.15.2-150000.6.17.1
  • krb5-server-1.15.2-150000.6.17.1
  • krb5-plugin-preauth-pkinit-debuginfo-1.15.2-150000.6.17.1
  • krb5-devel-1.15.2-150000.6.17.1
  • krb5-plugin-kdb-ldap-debuginfo-1.15.2-150000.6.17.1
  • krb5-debuginfo-1.15.2-150000.6.17.1
  • krb5-client-1.15.2-150000.6.17.1
  • krb5-debugsource-1.15.2-150000.6.17.1
• SUSE Linux Enterprise Server ESPOS 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 High Performance Computing 15 LTSS 15 (aarch64 x86_64)
  • krb5-server-debuginfo-1.15.2-150000.6.17.1
  • krb5-plugin-kdb-ldap-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-client-debuginfo-1.15.2-150000.6.17.1
  • krb5-plugin-preauth-pkinit-1.15.2-150000.6.17.1
  • krb5-1.15.2-150000.6.17.1
  • krb5-server-1.15.2-150000.6.17.1
  • krb5-plugin-preauth-pkinit-debuginfo-1.15.2-150000.6.17.1
  • krb5-devel-1.15.2-150000.6.17.1
  • krb5-plugin-kdb-ldap-debuginfo-1.15.2-150000.6.17.1
  • krb5-debuginfo-1.15.2-150000.6.17.1
  • krb5-client-1.15.2-150000.6.17.1
  • krb5-debugsource-1.15.2-150000.6.17.1
• SUSE Linux Enterprise High Performance Computing 15 LTSS 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 15 (aarch64 ppc64le s390x x86_64)
  • krb5-server-debuginfo-1.15.2-150000.6.17.1
  • krb5-plugin-kdb-ldap-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-client-debuginfo-1.15.2-150000.6.17.1
  • krb5-plugin-preauth-pkinit-1.15.2-150000.6.17.1
  • krb5-1.15.2-150000.6.17.1
  • krb5-server-1.15.2-150000.6.17.1
  • krb5-plugin-preauth-pkinit-debuginfo-1.15.2-150000.6.17.1
  • krb5-devel-1.15.2-150000.6.17.1
  • krb5-plugin-kdb-ldap-debuginfo-1.15.2-150000.6.17.1
  • krb5-debuginfo-1.15.2-150000.6.17.1
  • krb5-client-1.15.2-150000.6.17.1
  • krb5-debugsource-1.15.2-150000.6.17.1
• SUSE Linux Enterprise Server 15 LTSS 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 for SAP Applications 15 (ppc64le x86_64)
  • krb5-server-debuginfo-1.15.2-150000.6.17.1
  • krb5-plugin-kdb-ldap-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-client-debuginfo-1.15.2-150000.6.17.1
  • krb5-plugin-preauth-pkinit-1.15.2-150000.6.17.1
  • krb5-1.15.2-150000.6.17.1
  • krb5-server-1.15.2-150000.6.17.1
  • krb5-plugin-preauth-pkinit-debuginfo-1.15.2-150000.6.17.1
  • krb5-devel-1.15.2-150000.6.17.1
  • krb5-plugin-kdb-ldap-debuginfo-1.15.2-150000.6.17.1
  • krb5-debuginfo-1.15.2-150000.6.17.1
  • krb5-client-1.15.2-150000.6.17.1
  • krb5-debugsource-1.15.2-150000.6.17.1
• SUSE Linux Enterprise Server for SAP Applications 15 (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/show_bug.cgi?id=1189929
• https://bugzilla.suse.com/show_bug.cgi?id=1205126