Security update for krb5

SUSE Security Update: Security update for krb5
Announcement ID: SUSE-SU-2020:3377-1
Rating: moderate
References: #1178512
Cross-References:CVE-2020-28196
Affected Products:
  • SUSE Linux Enterprise Module for Server Applications 15-SP2
  • SUSE Linux Enterprise Module for Server Applications 15-SP1
  • SUSE Linux Enterprise Module for Basesystem 15-SP2
  • SUSE Linux Enterprise Module for Basesystem 15-SP1

An update that fixes one vulnerability is now available.

Description:

This update for krb5 fixes the following security issue:

  • CVE-2020-28196: Fixed an unbounded recursion via an ASN.1-encoded Kerberos message (bsc#1178512).

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 Module for Server Applications 15-SP2:
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP2-2020-3377=1
  • SUSE Linux Enterprise Module for Server Applications 15-SP1:
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP1-2020-3377=1
  • SUSE Linux Enterprise Module for Basesystem 15-SP2:
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP2-2020-3377=1
  • SUSE Linux Enterprise Module for Basesystem 15-SP1:
    zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP1-2020-3377=1

Package List:

  • SUSE Linux Enterprise Module for Server Applications 15-SP2 (aarch64 ppc64le s390x x86_64):
    • krb5-debuginfo-1.16.3-3.15.1
    • krb5-debugsource-1.16.3-3.15.1
    • krb5-plugin-kdb-ldap-1.16.3-3.15.1
    • krb5-plugin-kdb-ldap-debuginfo-1.16.3-3.15.1
    • krb5-server-1.16.3-3.15.1
    • krb5-server-debuginfo-1.16.3-3.15.1
  • SUSE Linux Enterprise Module for Server Applications 15-SP1 (aarch64 ppc64le s390x x86_64):
    • krb5-debuginfo-1.16.3-3.15.1
    • krb5-debugsource-1.16.3-3.15.1
    • krb5-plugin-kdb-ldap-1.16.3-3.15.1
    • krb5-plugin-kdb-ldap-debuginfo-1.16.3-3.15.1
    • krb5-server-1.16.3-3.15.1
    • krb5-server-debuginfo-1.16.3-3.15.1
  • SUSE Linux Enterprise Module for Basesystem 15-SP2 (aarch64 ppc64le s390x x86_64):
    • krb5-1.16.3-3.15.1
    • krb5-client-1.16.3-3.15.1
    • krb5-client-debuginfo-1.16.3-3.15.1
    • krb5-debuginfo-1.16.3-3.15.1
    • krb5-debugsource-1.16.3-3.15.1
    • krb5-devel-1.16.3-3.15.1
    • krb5-plugin-preauth-otp-1.16.3-3.15.1
    • krb5-plugin-preauth-otp-debuginfo-1.16.3-3.15.1
    • krb5-plugin-preauth-pkinit-1.16.3-3.15.1
    • krb5-plugin-preauth-pkinit-debuginfo-1.16.3-3.15.1
  • SUSE Linux Enterprise Module for Basesystem 15-SP2 (x86_64):
    • krb5-32bit-1.16.3-3.15.1
    • krb5-32bit-debuginfo-1.16.3-3.15.1
  • SUSE Linux Enterprise Module for Basesystem 15-SP1 (aarch64 ppc64le s390x x86_64):
    • krb5-1.16.3-3.15.1
    • krb5-client-1.16.3-3.15.1
    • krb5-client-debuginfo-1.16.3-3.15.1
    • krb5-debuginfo-1.16.3-3.15.1
    • krb5-debugsource-1.16.3-3.15.1
    • krb5-devel-1.16.3-3.15.1
    • krb5-plugin-preauth-otp-1.16.3-3.15.1
    • krb5-plugin-preauth-otp-debuginfo-1.16.3-3.15.1
    • krb5-plugin-preauth-pkinit-1.16.3-3.15.1
    • krb5-plugin-preauth-pkinit-debuginfo-1.16.3-3.15.1
  • SUSE Linux Enterprise Module for Basesystem 15-SP1 (x86_64):
    • krb5-32bit-1.16.3-3.15.1
    • krb5-32bit-debuginfo-1.16.3-3.15.1

References: