| Description: | Summary:
The remote host is missing an update for the 'libssh' package(s) announced via the SUSE-SU-2024:0539-1 advisory.
Vulnerability Insight:
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)
* [link moved to references]
Update to version 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:
* [link moved to references]
* 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)
* ... [Please see the references for more information on the vulnerabilities]
Affected Software/OS:
'libssh' package(s) on SUSE Linux Enterprise Server 12-SP5, SUSE Linux Enterprise Server for SAP Applications 12-SP5.
Solution:
Please install the updated package(s).
CVSS Score:
9.3
CVSS Vector:
AV:N/AC:M/Au:N/C:C/I:C/A:C
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