Security update for libssh2_org

Announcement ID: SUSE-SU-2024:0543-1
Rating: important
References:
Cross-References:
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@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_org-debugsource-1.11.0-29.12.1
    • libssh2-1-debuginfo-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_org-debugsource-1.11.0-29.12.1
    • libssh2-1-debuginfo-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_org-debugsource-1.11.0-29.12.1
    • libssh2-1-debuginfo-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: