SUSE-SU-2023:2947-1: important: Security update for openssh

[sle-security-updates at lists.suse.com]

# Security update for openssh

Announcement ID: SUSE-SU-2023:2947-1  
Rating: important  
References:

  * #1213504

  
Cross-References:

  * CVE-2023-38408

  
CVSS scores:

  * CVE-2023-38408 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * SUSE CaaS Platform 4.0
  * SUSE Linux Enterprise High Performance Computing 15 SP1
  * SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1
  * SUSE Linux Enterprise Server 15 SP1
  * SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP1

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for openssh fixes the following issues:

  * CVE-2023-38408: Fixed a condition where specific libaries loaded via ssh-
    agent(1)'s PKCS#11 support could be abused to achieve remote code execution
    via a forwarded agent socket if those libraries were present on the victim's
    system and if the agent was forwarded to an attacker-controlled system.
    [bsc#1213504, CVE-2023-38408]

## 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:

  * SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1  
    zypper in -t patch SUSE-SLE-Product-HPC-15-SP1-LTSS-2023-2947=1

  * SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2023-2947=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP1  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2023-2947=1

  * SUSE CaaS Platform 4.0  
To install this update, use the SUSE CaaS Platform 'skuba' tool. It will inform
you if it detects new updates and let you then trigger updating of the complete
cluster in a controlled way.

## Package List:

  * SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS 15-SP1 (aarch64
    x86_64)
    * openssh-askpass-gnome-7.9p1-150100.6.31.1
    * openssh-7.9p1-150100.6.31.1
    * openssh-askpass-gnome-debuginfo-7.9p1-150100.6.31.1
    * openssh-fips-7.9p1-150100.6.31.1
    * openssh-debuginfo-7.9p1-150100.6.31.1
    * openssh-debugsource-7.9p1-150100.6.31.1
    * openssh-askpass-gnome-debugsource-7.9p1-150100.6.31.1
    * openssh-helpers-debuginfo-7.9p1-150100.6.31.1
    * openssh-helpers-7.9p1-150100.6.31.1
  * SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1 (aarch64 ppc64le s390x
    x86_64)
    * openssh-askpass-gnome-7.9p1-150100.6.31.1
    * openssh-7.9p1-150100.6.31.1
    * openssh-askpass-gnome-debuginfo-7.9p1-150100.6.31.1
    * openssh-fips-7.9p1-150100.6.31.1
    * openssh-debuginfo-7.9p1-150100.6.31.1
    * openssh-debugsource-7.9p1-150100.6.31.1
    * openssh-askpass-gnome-debugsource-7.9p1-150100.6.31.1
    * openssh-helpers-debuginfo-7.9p1-150100.6.31.1
    * openssh-helpers-7.9p1-150100.6.31.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP1 (ppc64le x86_64)
    * openssh-askpass-gnome-7.9p1-150100.6.31.1
    * openssh-7.9p1-150100.6.31.1
    * openssh-askpass-gnome-debuginfo-7.9p1-150100.6.31.1
    * openssh-fips-7.9p1-150100.6.31.1
    * openssh-debuginfo-7.9p1-150100.6.31.1
    * openssh-debugsource-7.9p1-150100.6.31.1
    * openssh-askpass-gnome-debugsource-7.9p1-150100.6.31.1
    * openssh-helpers-debuginfo-7.9p1-150100.6.31.1
    * openssh-helpers-7.9p1-150100.6.31.1
  * SUSE CaaS Platform 4.0 (x86_64)
    * openssh-askpass-gnome-7.9p1-150100.6.31.1
    * openssh-7.9p1-150100.6.31.1
    * openssh-askpass-gnome-debuginfo-7.9p1-150100.6.31.1
    * openssh-fips-7.9p1-150100.6.31.1
    * openssh-debuginfo-7.9p1-150100.6.31.1
    * openssh-debugsource-7.9p1-150100.6.31.1
    * openssh-askpass-gnome-debugsource-7.9p1-150100.6.31.1
    * openssh-helpers-debuginfo-7.9p1-150100.6.31.1
    * openssh-helpers-7.9p1-150100.6.31.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-38408.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1213504

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