Security update for libssh

Announcement ID:	SUSE-SU-2024:0140-1
Rating:	important
References:	bsc#1211188 bsc#1211190 bsc#1218126 bsc#1218186 bsc#1218209
Cross-References:	CVE-2023-1667 CVE-2023-2283 CVE-2023-48795 CVE-2023-6004 CVE-2023-6918
CVSS scores:	CVE-2023-1667 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L CVE-2023-1667 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVE-2023-2283 ( SUSE ): 4.8 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N CVE-2023-2283 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N 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 CVE-2023-6004 ( SUSE ): 4.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L CVE-2023-6004 ( NVD ): 4.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L CVE-2023-6918 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVE-2023-6918 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected Products:	Basesystem Module 15-SP5 openSUSE Leap 15.4 openSUSE Leap 15.5 openSUSE Leap Micro 5.3 openSUSE Leap Micro 5.4 SUSE Linux Enterprise Desktop 15 SP4 LTSS 15-SP4 SUSE Linux Enterprise Desktop 15 SP5 SUSE Linux Enterprise High Performance Computing 15 SP4 SUSE Linux Enterprise High Performance Computing 15 SP5 SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 SUSE Linux Enterprise Micro 5.3 SUSE Linux Enterprise Micro 5.4 SUSE Linux Enterprise Micro 5.5 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 Real Time 15 SP5 SUSE Linux Enterprise Server 15 SP4 SUSE Linux Enterprise Server 15 SP4 LTSS 15-SP4 SUSE Linux Enterprise Server 15 SP5 SUSE Linux Enterprise Server for SAP Applications 15 SP4 SUSE Linux Enterprise Server for SAP Applications 15 SP5 SUSE Manager Proxy 4.3 SUSE Manager Retail Branch Server 4.3 SUSE Manager Server 4.3

An update that solves five vulnerabilities can now be installed.

Description:

This update for libssh fixes the following issues:

Security fixes:

• CVE-2023-6004: Fixed command injection using proxycommand (bsc#1218209)
• CVE-2023-48795: Fixed potential downgrade attack using strict kex (bsc#1218126)
• CVE-2023-6918: Fixed missing checks for return values of MD functions (bsc#1218186)
• CVE-2023-1667: Fixed NULL dereference during rekeying with algorithm guessing (bsc#1211188)
• CVE-2023-2283: Fixed possible authorization bypass in pki_verify_data_signature under low-memory conditions (bsc#1211190)

Other fixes:

• Update to version 0.9.8

• Allow @ in usernames when parsing from URI composes

• Update to version 0.9.7

• Fix several memory leaks in GSSAPI handling code

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:

• openSUSE Leap 15.4
  zypper in -t patch SUSE-2024-140=1
• openSUSE Leap Micro 5.3
  zypper in -t patch openSUSE-Leap-Micro-5.3-2024-140=1
• openSUSE Leap Micro 5.4
  zypper in -t patch openSUSE-Leap-Micro-5.4-2024-140=1
• openSUSE Leap 15.5
  zypper in -t patch openSUSE-SLE-15.5-2024-140=1
• SUSE Linux Enterprise Micro for Rancher 5.3
  zypper in -t patch SUSE-SLE-Micro-5.3-2024-140=1
• SUSE Linux Enterprise Micro 5.3
  zypper in -t patch SUSE-SLE-Micro-5.3-2024-140=1
• SUSE Linux Enterprise Micro for Rancher 5.4
  zypper in -t patch SUSE-SLE-Micro-5.4-2024-140=1
• SUSE Linux Enterprise Micro 5.4
  zypper in -t patch SUSE-SLE-Micro-5.4-2024-140=1
• SUSE Linux Enterprise Micro 5.5
  zypper in -t patch SUSE-SLE-Micro-5.5-2024-140=1
• Basesystem Module 15-SP5
  zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2024-140=1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2024-140=1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
  zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2024-140=1
• SUSE Linux Enterprise Real Time 15 SP4
  zypper in -t patch SUSE-SLE-Product-RT-15-SP4-2024-140=1
• SUSE Linux Enterprise Desktop 15 SP4 LTSS 15-SP4
  zypper in -t patch SUSE-SLE-Product-SLED-15-SP4-LTSS-2024-140=1
• SUSE Linux Enterprise Server 15 SP4 LTSS 15-SP4
  zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2024-140=1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4
  zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2024-140=1
• SUSE Manager Proxy 4.3
  zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.3-2024-140=1
• SUSE Manager Retail Branch Server 4.3
  zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.3-2024-140=1
• SUSE Manager Server 4.3
  zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.3-2024-140=1

Package List:

• openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)
  • libssh-config-0.9.8-150400.3.3.1
  • libssh-debugsource-0.9.8-150400.3.3.1
  • libssh4-debuginfo-0.9.8-150400.3.3.1
  • libssh-devel-0.9.8-150400.3.3.1
  • libssh4-0.9.8-150400.3.3.1
• openSUSE Leap 15.4 (x86_64)
  • libssh4-32bit-0.9.8-150400.3.3.1
  • libssh4-32bit-debuginfo-0.9.8-150400.3.3.1
• openSUSE Leap 15.4 (aarch64_ilp32)
  • libssh4-64bit-0.9.8-150400.3.3.1
  • libssh4-64bit-debuginfo-0.9.8-150400.3.3.1
• openSUSE Leap Micro 5.3 (aarch64 x86_64)
  • libssh-config-0.9.8-150400.3.3.1
  • libssh4-debuginfo-0.9.8-150400.3.3.1
  • libssh-debugsource-0.9.8-150400.3.3.1
  • libssh4-0.9.8-150400.3.3.1
• openSUSE Leap Micro 5.4 (aarch64 s390x x86_64)
  • libssh-config-0.9.8-150400.3.3.1
  • libssh4-debuginfo-0.9.8-150400.3.3.1
  • libssh-debugsource-0.9.8-150400.3.3.1
  • libssh4-0.9.8-150400.3.3.1
• openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64)
  • libssh-config-0.9.8-150400.3.3.1
  • libssh-debugsource-0.9.8-150400.3.3.1
  • libssh4-debuginfo-0.9.8-150400.3.3.1
  • libssh-devel-0.9.8-150400.3.3.1
  • libssh4-0.9.8-150400.3.3.1
• openSUSE Leap 15.5 (x86_64)
  • libssh4-32bit-0.9.8-150400.3.3.1
  • libssh4-32bit-debuginfo-0.9.8-150400.3.3.1
• SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
  • libssh-config-0.9.8-150400.3.3.1
  • libssh4-debuginfo-0.9.8-150400.3.3.1
  • libssh-debugsource-0.9.8-150400.3.3.1
  • libssh4-0.9.8-150400.3.3.1
• SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
  • libssh-config-0.9.8-150400.3.3.1
  • libssh4-debuginfo-0.9.8-150400.3.3.1
  • libssh-debugsource-0.9.8-150400.3.3.1
  • libssh4-0.9.8-150400.3.3.1
• SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
  • libssh-config-0.9.8-150400.3.3.1
  • libssh4-debuginfo-0.9.8-150400.3.3.1
  • libssh-debugsource-0.9.8-150400.3.3.1
  • libssh4-0.9.8-150400.3.3.1
• SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
  • libssh-config-0.9.8-150400.3.3.1
  • libssh4-debuginfo-0.9.8-150400.3.3.1
  • libssh-debugsource-0.9.8-150400.3.3.1
  • libssh4-0.9.8-150400.3.3.1
• SUSE Linux Enterprise Micro 5.5 (aarch64 s390x x86_64)
  • libssh-config-0.9.8-150400.3.3.1
  • libssh4-debuginfo-0.9.8-150400.3.3.1
  • libssh-debugsource-0.9.8-150400.3.3.1
  • libssh4-0.9.8-150400.3.3.1
• Basesystem Module 15-SP5 (aarch64 ppc64le s390x x86_64)
  • libssh-config-0.9.8-150400.3.3.1
  • libssh-debugsource-0.9.8-150400.3.3.1
  • libssh4-debuginfo-0.9.8-150400.3.3.1
  • libssh-devel-0.9.8-150400.3.3.1
  • libssh4-0.9.8-150400.3.3.1
• Basesystem Module 15-SP5 (x86_64)
  • libssh4-32bit-0.9.8-150400.3.3.1
  • libssh4-32bit-debuginfo-0.9.8-150400.3.3.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64 x86_64)
  • libssh-config-0.9.8-150400.3.3.1
  • libssh-debugsource-0.9.8-150400.3.3.1
  • libssh4-debuginfo-0.9.8-150400.3.3.1
  • libssh-devel-0.9.8-150400.3.3.1
  • libssh4-0.9.8-150400.3.3.1
• SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (x86_64)
  • libssh4-32bit-0.9.8-150400.3.3.1
  • libssh4-32bit-debuginfo-0.9.8-150400.3.3.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64 x86_64)
  • libssh-config-0.9.8-150400.3.3.1
  • libssh-debugsource-0.9.8-150400.3.3.1
  • libssh4-debuginfo-0.9.8-150400.3.3.1
  • libssh-devel-0.9.8-150400.3.3.1
  • libssh4-0.9.8-150400.3.3.1
• SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (x86_64)
  • libssh4-32bit-0.9.8-150400.3.3.1
  • libssh4-32bit-debuginfo-0.9.8-150400.3.3.1
• SUSE Linux Enterprise Real Time 15 SP4 (x86_64)
  • libssh-config-0.9.8-150400.3.3.1
  • libssh-debugsource-0.9.8-150400.3.3.1
  • libssh4-32bit-0.9.8-150400.3.3.1
  • libssh4-32bit-debuginfo-0.9.8-150400.3.3.1
  • libssh4-debuginfo-0.9.8-150400.3.3.1
  • libssh-devel-0.9.8-150400.3.3.1
  • libssh4-0.9.8-150400.3.3.1
• SUSE Linux Enterprise Desktop 15 SP4 LTSS 15-SP4 (x86_64)
  • libssh-config-0.9.8-150400.3.3.1
  • libssh-debugsource-0.9.8-150400.3.3.1
  • libssh4-32bit-0.9.8-150400.3.3.1
  • libssh4-32bit-debuginfo-0.9.8-150400.3.3.1
  • libssh4-debuginfo-0.9.8-150400.3.3.1
  • libssh-devel-0.9.8-150400.3.3.1
  • libssh4-0.9.8-150400.3.3.1
• SUSE Linux Enterprise Server 15 SP4 LTSS 15-SP4 (aarch64 ppc64le s390x x86_64)
  • libssh-config-0.9.8-150400.3.3.1
  • libssh-debugsource-0.9.8-150400.3.3.1
  • libssh4-debuginfo-0.9.8-150400.3.3.1
  • libssh-devel-0.9.8-150400.3.3.1
  • libssh4-0.9.8-150400.3.3.1
• SUSE Linux Enterprise Server 15 SP4 LTSS 15-SP4 (x86_64)
  • libssh4-32bit-0.9.8-150400.3.3.1
  • libssh4-32bit-debuginfo-0.9.8-150400.3.3.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
  • libssh-config-0.9.8-150400.3.3.1
  • libssh-debugsource-0.9.8-150400.3.3.1
  • libssh4-debuginfo-0.9.8-150400.3.3.1
  • libssh-devel-0.9.8-150400.3.3.1
  • libssh4-0.9.8-150400.3.3.1
• SUSE Linux Enterprise Server for SAP Applications 15 SP4 (x86_64)
  • libssh4-32bit-0.9.8-150400.3.3.1
  • libssh4-32bit-debuginfo-0.9.8-150400.3.3.1
• SUSE Manager Proxy 4.3 (x86_64)
  • libssh-config-0.9.8-150400.3.3.1
  • libssh-debugsource-0.9.8-150400.3.3.1
  • libssh4-32bit-0.9.8-150400.3.3.1
  • libssh4-32bit-debuginfo-0.9.8-150400.3.3.1
  • libssh4-debuginfo-0.9.8-150400.3.3.1
  • libssh-devel-0.9.8-150400.3.3.1
  • libssh4-0.9.8-150400.3.3.1
• SUSE Manager Retail Branch Server 4.3 (x86_64)
  • libssh-config-0.9.8-150400.3.3.1
  • libssh-debugsource-0.9.8-150400.3.3.1
  • libssh4-32bit-0.9.8-150400.3.3.1
  • libssh4-32bit-debuginfo-0.9.8-150400.3.3.1
  • libssh4-debuginfo-0.9.8-150400.3.3.1
  • libssh-devel-0.9.8-150400.3.3.1
  • libssh4-0.9.8-150400.3.3.1
• SUSE Manager Server 4.3 (ppc64le s390x x86_64)
  • libssh-config-0.9.8-150400.3.3.1
  • libssh-debugsource-0.9.8-150400.3.3.1
  • libssh4-debuginfo-0.9.8-150400.3.3.1
  • libssh-devel-0.9.8-150400.3.3.1
  • libssh4-0.9.8-150400.3.3.1
• SUSE Manager Server 4.3 (x86_64)
  • libssh4-32bit-0.9.8-150400.3.3.1
  • libssh4-32bit-debuginfo-0.9.8-150400.3.3.1

References:

• https://www.suse.com/security/cve/CVE-2023-1667.html
• https://www.suse.com/security/cve/CVE-2023-2283.html
• https://www.suse.com/security/cve/CVE-2023-48795.html
• https://www.suse.com/security/cve/CVE-2023-6004.html
• https://www.suse.com/security/cve/CVE-2023-6918.html
• https://bugzilla.suse.com/show_bug.cgi?id=1211188
• https://bugzilla.suse.com/show_bug.cgi?id=1211190
• https://bugzilla.suse.com/show_bug.cgi?id=1218126
• https://bugzilla.suse.com/show_bug.cgi?id=1218186
• https://bugzilla.suse.com/show_bug.cgi?id=1218209