SUSE-SU-2024:0543-1: important: Security update for libssh2_org

[SLE-UPDATES]

# Security update for libssh2_org

Announcement ID: SUSE-SU-2024:0543-1  
Rating: important  
References:

  * bsc#1218971

  
Cross-References:

  * CVE-2023-48795

  
CVSS scores:

  * CVE-2023-48795 ( SUSE ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
  * CVE-2023-48795 ( NVD ):  5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5
  * SUSE Linux Enterprise Software Development Kit 12 SP5

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for libssh2_org fixes the following issues:

  * Always add the KEX pseudo-methods "ext-info-c" and "kex-strict-
    c-v00 at openssh.com" when configuring custom method list. [bsc#1218971,
    CVE-2023-48795]

  * The strict-kex extension is announced in the list of available KEX methods.
    However, when the default KEX method list is modified or replaced, the
    extension is not added back automatically.

## 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 Software Development Kit 12 SP5  
    zypper in -t patch SUSE-SLE-SDK-12-SP5-2024-543=1

  * SUSE Linux Enterprise High Performance Computing 12 SP5  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-543=1

  * SUSE Linux Enterprise Server 12 SP5  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-543=1

  * SUSE Linux Enterprise Server for SAP Applications 12 SP5  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-543=1

## Package List:

  * SUSE Linux Enterprise Software Development Kit 12 SP5 (aarch64 ppc64le s390x
    x86_64)
    * libssh2_org-debugsource-1.11.0-29.12.1
    * libssh2-devel-1.11.0-29.12.1
  * SUSE Linux Enterprise High Performance Computing 12 SP5 (aarch64 x86_64)
    * libssh2-1-1.11.0-29.12.1
    * libssh2-1-debuginfo-1.11.0-29.12.1
    * libssh2_org-debugsource-1.11.0-29.12.1
  * SUSE Linux Enterprise High Performance Computing 12 SP5 (x86_64)
    * libssh2-1-32bit-1.11.0-29.12.1
    * libssh2-1-debuginfo-32bit-1.11.0-29.12.1
  * SUSE Linux Enterprise Server 12 SP5 (aarch64 ppc64le s390x x86_64)
    * libssh2-1-1.11.0-29.12.1
    * libssh2-1-debuginfo-1.11.0-29.12.1
    * libssh2_org-debugsource-1.11.0-29.12.1
  * SUSE Linux Enterprise Server 12 SP5 (s390x x86_64)
    * libssh2-1-32bit-1.11.0-29.12.1
    * libssh2-1-debuginfo-32bit-1.11.0-29.12.1
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5 (ppc64le x86_64)
    * libssh2-1-1.11.0-29.12.1
    * libssh2-1-debuginfo-1.11.0-29.12.1
    * libssh2_org-debugsource-1.11.0-29.12.1
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5 (x86_64)
    * libssh2-1-32bit-1.11.0-29.12.1
    * libssh2-1-debuginfo-32bit-1.11.0-29.12.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-48795.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1218971

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