SUSE-SU-2024:0525-1: important: Security update for libssh
SLE-SECURITY-UPDATES
null at suse.de
Mon Feb 19 08:30:10 UTC 2024
# Security update for libssh
Announcement ID: SUSE-SU-2024:0525-1
Rating: important
References:
* bsc#1158095
* bsc#1168699
* bsc#1174713
* bsc#1189608
* bsc#1211188
* bsc#1211190
* bsc#1218126
* bsc#1218186
* bsc#1218209
* jsc#PED-7719
Cross-References:
* CVE-2019-14889
* CVE-2020-16135
* CVE-2020-1730
* CVE-2021-3634
* CVE-2023-1667
* CVE-2023-2283
* CVE-2023-48795
* CVE-2023-6004
* CVE-2023-6918
CVSS scores:
* CVE-2019-14889 ( SUSE ): 7.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
* CVE-2019-14889 ( NVD ): 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
* CVE-2019-14889 ( NVD ): 7.1 CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
* CVE-2020-16135 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2020-16135 ( NVD ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
* CVE-2020-1730 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
* CVE-2020-1730 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
* CVE-2021-3634 ( SUSE ): 3.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
* CVE-2021-3634 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
* 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:
* SUSE Enterprise Storage 7.1
* SUSE Linux Enterprise High Performance Computing 15 SP2
* SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2
* SUSE Linux Enterprise High Performance Computing 15 SP3
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP3
* SUSE Linux Enterprise Micro 5.1
* SUSE Linux Enterprise Micro 5.2
* SUSE Linux Enterprise Micro for Rancher 5.2
* SUSE Linux Enterprise Server 15 SP2
* SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2
* SUSE Linux Enterprise Server 15 SP3
* SUSE Linux Enterprise Server 15 SP3 LTSS 15-SP3
* SUSE Linux Enterprise Server for SAP Applications 15 SP2
* SUSE Linux Enterprise Server for SAP Applications 15 SP3
An update that solves nine vulnerabilities and contains one feature can now be
installed.
## Description:
This update for libssh fixes the following issues:
Update to version 0.9.8 (jsc#PED-7719):
* Fix CVE-2023-6004: Command injection using proxycommand (bsc#1218209)
* Fix CVE-2023-48795: Potential downgrade attack using strict kex
(bsc#1218126)
* Fix CVE-2023-6918: Missing checks for return values of MD functions
(bsc#1218186)
* Allow @ in usernames when parsing from URI composes
Update to version 0.9.7:
* Fix CVE-2023-1667: a NULL dereference during rekeying with algorithm
guessing (bsc#1211188)
* Fix CVE-2023-2283: a possible authorization bypass in
pki_verify_data_signature under low-memory conditions (bsc#1211190)
* Fix several memory leaks in GSSAPI handling code
Update to version 0.9.6 (bsc#1189608, CVE-2021-3634):
* https://git.libssh.org/projects/libssh.git/tag/?h=libssh-0.9.6
Update to 0.9.5 (bsc#1174713, CVE-2020-16135):
* CVE-2020-16135: Avoid null pointer dereference in sftpserver (T232)
* Improve handling of library initialization (T222)
* Fix parsing of subsecond times in SFTP (T219)
* Make the documentation reproducible
* Remove deprecated API usage in OpenSSL
* Fix regression of ssh_channel_poll_timeout() returning SSH_AGAIN
* Define version in one place (T226)
* Prevent invalid free when using different C runtimes than OpenSSL (T229)
* Compatibility improvements to testsuite
Update to version 0.9.4
* https://www.libssh.org/2020/04/09/libssh-0-9-4-and-libssh-0-8-9-security-
release/
* Fix possible Denial of Service attack when using AES-CTR-ciphers
CVE-2020-1730 (bsc#1168699)
Update to version 0.9.3
* Fixed CVE-2019-14889 - SCP: Unsanitized location leads to command execution
(bsc#1158095)
* SSH-01-003 Client: Missing NULL check leads to crash in erroneous state
* SSH-01-006 General: Various unchecked Null-derefs cause DOS
* SSH-01-007 PKI Gcrypt: Potential UAF/double free with RSA pubkeys
* SSH-01-010 SSH: Deprecated hash function in fingerprinting
* SSH-01-013 Conf-Parsing: Recursive wildcards in hostnames lead to DOS
* SSH-01-014 Conf-Parsing: Integer underflow leads to OOB array access
* SSH-01-001 State Machine: Initial machine states should be set explicitly
* SSH-01-002 Kex: Differently bound macros used to iterate same array
* SSH-01-005 Code-Quality: Integer sign confusion during assignments
* SSH-01-008 SCP: Protocol Injection via unescaped File Names
* SSH-01-009 SSH: Update documentation which RFCs are implemented
* SSH-01-012 PKI: Information leak via uninitialized stack buffer
Update to version 0.9.2
* Fixed libssh-config.cmake
* Fixed issues with rsa algorithm negotiation (T191)
* Fixed detection of OpenSSL ed25519 support (T197)
Update to version 0.9.1
* Added support for Ed25519 via OpenSSL
* Added support for X25519 via OpenSSL
* Added support for localuser in Match keyword
* Fixed Match keyword to be case sensitive
* Fixed compilation with LibreSSL
* Fixed error report of channel open (T75)
* Fixed sftp documentation (T137)
* Fixed known_hosts parsing (T156)
* Fixed build issue with MinGW (T157)
* Fixed build with gcc 9 (T164)
* Fixed deprecation issues (T165)
* Fixed known_hosts directory creation (T166)
* Split out configuration to separate package to not mess up the library
packaging and coinstallation
Update to verion 0.9.0
* Added support for AES-GCM
* Added improved rekeying support
* Added performance improvements
* Disabled blowfish support by default
* Fixed several ssh config parsing issues
* Added support for DH Group Exchange KEX
* Added support for Encrypt-then-MAC mode
* Added support for parsing server side configuration file
* Added support for ECDSA/Ed25519 certificates
* Added FIPS 140-2 compatibility
* Improved known_hosts parsing
* Improved documentation
* Improved OpenSSL API usage for KEX, DH, and signatures
* Add libssh client and server config files
## 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 High Performance Computing 15 SP2 LTSS 15-SP2
zypper in -t patch SUSE-SLE-Product-HPC-15-SP2-LTSS-2024-525=1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP3
zypper in -t patch SUSE-SLE-Product-HPC-15-SP3-LTSS-2024-525=1
* SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2
zypper in -t patch SUSE-SLE-Product-SLES-15-SP2-LTSS-2024-525=1
* SUSE Linux Enterprise Server 15 SP3 LTSS 15-SP3
zypper in -t patch SUSE-SLE-Product-SLES-15-SP3-LTSS-2024-525=1
* SUSE Linux Enterprise Server for SAP Applications 15 SP2
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP2-2024-525=1
* SUSE Linux Enterprise Server for SAP Applications 15 SP3
zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP3-2024-525=1
* SUSE Enterprise Storage 7.1
zypper in -t patch SUSE-Storage-7.1-2024-525=1
* SUSE Linux Enterprise Micro 5.1
zypper in -t patch SUSE-SUSE-MicroOS-5.1-2024-525=1
* SUSE Linux Enterprise Micro 5.2
zypper in -t patch SUSE-SUSE-MicroOS-5.2-2024-525=1
* SUSE Linux Enterprise Micro for Rancher 5.2
zypper in -t patch SUSE-SUSE-MicroOS-5.2-2024-525=1
## Package List:
* SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2 (aarch64
x86_64)
* libssh-devel-0.9.8-150200.13.3.1
* libssh4-0.9.8-150200.13.3.1
* libssh4-debuginfo-0.9.8-150200.13.3.1
* libssh-config-0.9.8-150200.13.3.1
* libssh-debugsource-0.9.8-150200.13.3.1
* SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS 15-SP2 (x86_64)
* libssh4-32bit-debuginfo-0.9.8-150200.13.3.1
* libssh4-32bit-0.9.8-150200.13.3.1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP3 (aarch64
x86_64)
* libssh-devel-0.9.8-150200.13.3.1
* libssh4-0.9.8-150200.13.3.1
* libssh4-debuginfo-0.9.8-150200.13.3.1
* libssh-config-0.9.8-150200.13.3.1
* libssh-debugsource-0.9.8-150200.13.3.1
* SUSE Linux Enterprise High Performance Computing LTSS 15 SP3 (x86_64)
* libssh4-32bit-debuginfo-0.9.8-150200.13.3.1
* libssh4-32bit-0.9.8-150200.13.3.1
* SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (aarch64 ppc64le s390x
x86_64)
* libssh-devel-0.9.8-150200.13.3.1
* libssh4-0.9.8-150200.13.3.1
* libssh4-debuginfo-0.9.8-150200.13.3.1
* libssh-config-0.9.8-150200.13.3.1
* libssh-debugsource-0.9.8-150200.13.3.1
* SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (x86_64)
* libssh4-32bit-debuginfo-0.9.8-150200.13.3.1
* libssh4-32bit-0.9.8-150200.13.3.1
* SUSE Linux Enterprise Server 15 SP3 LTSS 15-SP3 (aarch64 ppc64le s390x
x86_64)
* libssh-devel-0.9.8-150200.13.3.1
* libssh4-0.9.8-150200.13.3.1
* libssh4-debuginfo-0.9.8-150200.13.3.1
* libssh-config-0.9.8-150200.13.3.1
* libssh-debugsource-0.9.8-150200.13.3.1
* SUSE Linux Enterprise Server 15 SP3 LTSS 15-SP3 (x86_64)
* libssh4-32bit-debuginfo-0.9.8-150200.13.3.1
* libssh4-32bit-0.9.8-150200.13.3.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP2 (ppc64le x86_64)
* libssh-devel-0.9.8-150200.13.3.1
* libssh4-0.9.8-150200.13.3.1
* libssh4-debuginfo-0.9.8-150200.13.3.1
* libssh-config-0.9.8-150200.13.3.1
* libssh-debugsource-0.9.8-150200.13.3.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP2 (x86_64)
* libssh4-32bit-debuginfo-0.9.8-150200.13.3.1
* libssh4-32bit-0.9.8-150200.13.3.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP3 (ppc64le x86_64)
* libssh-devel-0.9.8-150200.13.3.1
* libssh4-0.9.8-150200.13.3.1
* libssh4-debuginfo-0.9.8-150200.13.3.1
* libssh-config-0.9.8-150200.13.3.1
* libssh-debugsource-0.9.8-150200.13.3.1
* SUSE Linux Enterprise Server for SAP Applications 15 SP3 (x86_64)
* libssh4-32bit-debuginfo-0.9.8-150200.13.3.1
* libssh4-32bit-0.9.8-150200.13.3.1
* SUSE Enterprise Storage 7.1 (aarch64 x86_64)
* libssh-devel-0.9.8-150200.13.3.1
* libssh4-0.9.8-150200.13.3.1
* libssh4-debuginfo-0.9.8-150200.13.3.1
* libssh-config-0.9.8-150200.13.3.1
* libssh-debugsource-0.9.8-150200.13.3.1
* SUSE Enterprise Storage 7.1 (x86_64)
* libssh4-32bit-debuginfo-0.9.8-150200.13.3.1
* libssh4-32bit-0.9.8-150200.13.3.1
* SUSE Linux Enterprise Micro 5.1 (aarch64 s390x x86_64)
* libssh4-debuginfo-0.9.8-150200.13.3.1
* libssh-config-0.9.8-150200.13.3.1
* libssh4-0.9.8-150200.13.3.1
* libssh-debugsource-0.9.8-150200.13.3.1
* SUSE Linux Enterprise Micro 5.2 (aarch64 s390x x86_64)
* libssh4-debuginfo-0.9.8-150200.13.3.1
* libssh-config-0.9.8-150200.13.3.1
* libssh4-0.9.8-150200.13.3.1
* libssh-debugsource-0.9.8-150200.13.3.1
* SUSE Linux Enterprise Micro for Rancher 5.2 (aarch64 s390x x86_64)
* libssh4-debuginfo-0.9.8-150200.13.3.1
* libssh-config-0.9.8-150200.13.3.1
* libssh4-0.9.8-150200.13.3.1
* libssh-debugsource-0.9.8-150200.13.3.1
## References:
* https://www.suse.com/security/cve/CVE-2019-14889.html
* https://www.suse.com/security/cve/CVE-2020-16135.html
* https://www.suse.com/security/cve/CVE-2020-1730.html
* https://www.suse.com/security/cve/CVE-2021-3634.html
* 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=1158095
* https://bugzilla.suse.com/show_bug.cgi?id=1168699
* https://bugzilla.suse.com/show_bug.cgi?id=1174713
* https://bugzilla.suse.com/show_bug.cgi?id=1189608
* 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
* https://jira.suse.com/browse/PED-7719
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