A krb5 security update has been released for openSUSE Leap 15.5 and SUSE Linux Enterprise 15 SP5.

SUSE-SU-2023:3325-1: important: Security update for krb5

# Security update for krb5

Announcement ID: SUSE-SU-2023:3325-1
Rating: important
References:

* #1214054

Cross-References:

* CVE-2023-36054

CVSS scores:

* CVE-2023-36054 ( SUSE ): 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-36054 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products:

* Basesystem Module 15-SP5
* openSUSE Leap 15.5
* Server Applications Module 15-SP5
* SUSE Linux Enterprise Desktop 15 SP5
* SUSE Linux Enterprise High Performance Computing 15 SP5
* SUSE Linux Enterprise Real Time 15 SP5
* SUSE Linux Enterprise Server 15 SP5
* SUSE Linux Enterprise Server for SAP Applications 15 SP5

An update that solves one vulnerability can now be installed.

## Description:

This update for krb5 fixes the following issues:

* CVE-2023-36054: Fixed a DoS that could be triggered by an authenticated
remote user. (bsc#1214054)

## Patch Instructions:

To install this SUSE Important update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

* openSUSE Leap 15.5
zypper in -t patch SUSE-2023-3325=1 openSUSE-SLE-15.5-2023-3325=1

* Basesystem Module 15-SP5
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-3325=1

* Server Applications Module 15-SP5
zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP5-2023-3325=1

## Package List:

* openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586)
* krb5-mini-debugsource-1.20.1-150500.3.3.1
* krb5-plugin-preauth-otp-1.20.1-150500.3.3.1
* krb5-server-1.20.1-150500.3.3.1
* krb5-mini-devel-1.20.1-150500.3.3.1
* krb5-devel-1.20.1-150500.3.3.1
* krb5-plugin-preauth-otp-debuginfo-1.20.1-150500.3.3.1
* krb5-plugin-kdb-ldap-1.20.1-150500.3.3.1
* krb5-mini-1.20.1-150500.3.3.1
* krb5-mini-debuginfo-1.20.1-150500.3.3.1
* krb5-1.20.1-150500.3.3.1
* krb5-plugin-preauth-pkinit-debuginfo-1.20.1-150500.3.3.1
* krb5-plugin-preauth-spake-1.20.1-150500.3.3.1
* krb5-debuginfo-1.20.1-150500.3.3.1
* krb5-plugin-preauth-spake-debuginfo-1.20.1-150500.3.3.1
* krb5-plugin-kdb-ldap-debuginfo-1.20.1-150500.3.3.1
* krb5-server-debuginfo-1.20.1-150500.3.3.1
* krb5-client-1.20.1-150500.3.3.1
* krb5-debugsource-1.20.1-150500.3.3.1
* krb5-plugin-preauth-pkinit-1.20.1-150500.3.3.1
* krb5-client-debuginfo-1.20.1-150500.3.3.1
* openSUSE Leap 15.5 (x86_64)
* krb5-32bit-1.20.1-150500.3.3.1
* krb5-devel-32bit-1.20.1-150500.3.3.1
* krb5-32bit-debuginfo-1.20.1-150500.3.3.1
* openSUSE Leap 15.5 (aarch64_ilp32)
* krb5-64bit-debuginfo-1.20.1-150500.3.3.1
* krb5-64bit-1.20.1-150500.3.3.1
* krb5-devel-64bit-1.20.1-150500.3.3.1
* Basesystem Module 15-SP5 (aarch64 ppc64le s390x x86_64)
* krb5-plugin-preauth-otp-1.20.1-150500.3.3.1
* krb5-devel-1.20.1-150500.3.3.1
* krb5-plugin-preauth-otp-debuginfo-1.20.1-150500.3.3.1
* krb5-1.20.1-150500.3.3.1
* krb5-plugin-preauth-pkinit-debuginfo-1.20.1-150500.3.3.1
* krb5-debuginfo-1.20.1-150500.3.3.1
* krb5-client-1.20.1-150500.3.3.1
* krb5-debugsource-1.20.1-150500.3.3.1
* krb5-plugin-preauth-pkinit-1.20.1-150500.3.3.1
* krb5-client-debuginfo-1.20.1-150500.3.3.1
* Basesystem Module 15-SP5 (x86_64)
* krb5-32bit-1.20.1-150500.3.3.1
* krb5-32bit-debuginfo-1.20.1-150500.3.3.1
* Server Applications Module 15-SP5 (aarch64 ppc64le s390x x86_64)
* krb5-server-1.20.1-150500.3.3.1
* krb5-plugin-kdb-ldap-1.20.1-150500.3.3.1
* krb5-debuginfo-1.20.1-150500.3.3.1
* krb5-server-debuginfo-1.20.1-150500.3.3.1
* krb5-plugin-kdb-ldap-debuginfo-1.20.1-150500.3.3.1
* krb5-debugsource-1.20.1-150500.3.3.1

## References:

* https://www.suse.com/security/cve/CVE-2023-36054.html
* https://bugzilla.suse.com/show_bug.cgi?id=1214054