Advisory Published

USN-6592-1: libssh vulnerabilities

First published: Mon Jan 22 2024(Updated: )

It was discovered that libssh incorrectly handled the ProxyCommand and the ProxyJump features. A remote attacker could possibly use this issue to inject malicious code into the command of the features mentioned through the hostname parameter. (CVE-2023-6004) It was discovered that libssh incorrectly handled return codes when performing message digest operations. A remote attacker could possibly use this issue to cause libssh to crash, obtain sensitive information, or execute arbitrary code. (CVE-2023-6918)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/libssh-4<0.10.5-3ubuntu1.2
0.10.5-3ubuntu1.2
Ubuntu Ubuntu=23.10
All of
ubuntu/libssh-4<0.10.4-2ubuntu0.3
0.10.4-2ubuntu0.3
Ubuntu Ubuntu=23.04
All of
ubuntu/libssh-4<0.9.6-2ubuntu0.22.04.3
0.9.6-2ubuntu0.22.04.3
Ubuntu Ubuntu=22.04
All of
ubuntu/libssh-4<0.9.3-2ubuntu2.5
0.9.3-2ubuntu2.5
Ubuntu Ubuntu=20.04

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