A krb5 security update has been released for openSUSE Leap 15.4/Micro 5.3/5.4 and SUSE Linux Enterprise.

SUSE-SU-2023:3363-1: important: Security update for krb5

# Security update for krb5

Announcement ID: SUSE-SU-2023:3363-1
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-SP4
* openSUSE Leap 15.4
* openSUSE Leap Micro 5.3
* openSUSE Leap Micro 5.4
* Server Applications Module 15-SP4
* SUSE Linux Enterprise Desktop 15 SP4
* SUSE Linux Enterprise High Performance Computing 15 SP4
* SUSE Linux Enterprise Micro 5.3
* SUSE Linux Enterprise Micro 5.4
* SUSE Linux Enterprise Micro for Rancher 5.3
* SUSE Linux Enterprise Micro for Rancher 5.4
* SUSE Linux Enterprise Real Time 15 SP4
* SUSE Linux Enterprise Server 15 SP4
* SUSE Linux Enterprise Server for SAP Applications 15 SP4
* SUSE Manager Proxy 4.3
* SUSE Manager Retail Branch Server 4.3
* SUSE Manager Server 4.3

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 Micro 5.4
zypper in -t patch openSUSE-Leap-Micro-5.4-2023-3363=1

* openSUSE Leap 15.4
zypper in -t patch openSUSE-SLE-15.4-2023-3363=1 SUSE-2023-3363=1

* SUSE Linux Enterprise Micro for Rancher 5.3
zypper in -t patch SUSE-SLE-Micro-5.3-2023-3363=1

* SUSE Linux Enterprise Micro 5.3
zypper in -t patch SUSE-SLE-Micro-5.3-2023-3363=1

* SUSE Linux Enterprise Micro for Rancher 5.4
zypper in -t patch SUSE-SLE-Micro-5.4-2023-3363=1

* SUSE Linux Enterprise Micro 5.4
zypper in -t patch SUSE-SLE-Micro-5.4-2023-3363=1

* Basesystem Module 15-SP4
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP4-2023-3363=1

* Server Applications Module 15-SP4
zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP4-2023-3363=1

* openSUSE Leap Micro 5.3
zypper in -t patch openSUSE-Leap-Micro-5.3-2023-3363=1

## Package List:

* openSUSE Leap Micro 5.4 (aarch64 s390x x86_64)
* krb5-debugsource-1.19.2-150400.3.6.1
* krb5-debuginfo-1.19.2-150400.3.6.1
* krb5-1.19.2-150400.3.6.1
* openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)
* krb5-mini-1.19.2-150400.3.6.1
* krb5-server-1.19.2-150400.3.6.1
* krb5-plugin-preauth-pkinit-debuginfo-1.19.2-150400.3.6.1
* krb5-plugin-preauth-spake-1.19.2-150400.3.6.1
* krb5-plugin-preauth-spake-debuginfo-1.19.2-150400.3.6.1
* krb5-plugin-kdb-ldap-debuginfo-1.19.2-150400.3.6.1
* krb5-debugsource-1.19.2-150400.3.6.1
* krb5-plugin-kdb-ldap-1.19.2-150400.3.6.1
* krb5-plugin-preauth-otp-1.19.2-150400.3.6.1
* krb5-plugin-preauth-otp-debuginfo-1.19.2-150400.3.6.1
* krb5-server-debuginfo-1.19.2-150400.3.6.1
* krb5-mini-debugsource-1.19.2-150400.3.6.1
* krb5-mini-devel-1.19.2-150400.3.6.1
* krb5-mini-debuginfo-1.19.2-150400.3.6.1
* krb5-plugin-preauth-pkinit-1.19.2-150400.3.6.1
* krb5-client-debuginfo-1.19.2-150400.3.6.1
* krb5-debuginfo-1.19.2-150400.3.6.1
* krb5-1.19.2-150400.3.6.1
* krb5-client-1.19.2-150400.3.6.1
* krb5-devel-1.19.2-150400.3.6.1
* openSUSE Leap 15.4 (x86_64)
* krb5-devel-32bit-1.19.2-150400.3.6.1
* krb5-32bit-1.19.2-150400.3.6.1
* krb5-32bit-debuginfo-1.19.2-150400.3.6.1
* openSUSE Leap 15.4 (aarch64_ilp32)
* krb5-64bit-debuginfo-1.19.2-150400.3.6.1
* krb5-64bit-1.19.2-150400.3.6.1
* krb5-devel-64bit-1.19.2-150400.3.6.1
* SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
* krb5-debugsource-1.19.2-150400.3.6.1
* krb5-debuginfo-1.19.2-150400.3.6.1
* krb5-1.19.2-150400.3.6.1
* SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
* krb5-debugsource-1.19.2-150400.3.6.1
* krb5-debuginfo-1.19.2-150400.3.6.1
* krb5-1.19.2-150400.3.6.1
* SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
* krb5-debugsource-1.19.2-150400.3.6.1
* krb5-debuginfo-1.19.2-150400.3.6.1
* krb5-1.19.2-150400.3.6.1
* SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
* krb5-debugsource-1.19.2-150400.3.6.1
* krb5-debuginfo-1.19.2-150400.3.6.1
* krb5-1.19.2-150400.3.6.1
* Basesystem Module 15-SP4 (aarch64 ppc64le s390x x86_64)
* krb5-plugin-preauth-pkinit-debuginfo-1.19.2-150400.3.6.1
* krb5-debugsource-1.19.2-150400.3.6.1
* krb5-plugin-preauth-otp-debuginfo-1.19.2-150400.3.6.1
* krb5-plugin-preauth-otp-1.19.2-150400.3.6.1
* krb5-plugin-preauth-pkinit-1.19.2-150400.3.6.1
* krb5-client-debuginfo-1.19.2-150400.3.6.1
* krb5-debuginfo-1.19.2-150400.3.6.1
* krb5-1.19.2-150400.3.6.1
* krb5-client-1.19.2-150400.3.6.1
* krb5-devel-1.19.2-150400.3.6.1
* Basesystem Module 15-SP4 (x86_64)
* krb5-32bit-1.19.2-150400.3.6.1
* krb5-32bit-debuginfo-1.19.2-150400.3.6.1
* Server Applications Module 15-SP4 (aarch64 ppc64le s390x x86_64)
* krb5-server-1.19.2-150400.3.6.1
* krb5-plugin-kdb-ldap-debuginfo-1.19.2-150400.3.6.1
* krb5-debugsource-1.19.2-150400.3.6.1
* krb5-plugin-kdb-ldap-1.19.2-150400.3.6.1
* krb5-server-debuginfo-1.19.2-150400.3.6.1
* krb5-debuginfo-1.19.2-150400.3.6.1
* openSUSE Leap Micro 5.3 (aarch64 x86_64)
* krb5-debugsource-1.19.2-150400.3.6.1
* krb5-debuginfo-1.19.2-150400.3.6.1
* krb5-1.19.2-150400.3.6.1

## References:

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