Libssh: proxycommand/proxyjump features allow injection of malicious code through hostname
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.8epss 0.4%
exploitation probability
0.4%top 62% of all CVEs
observed exploitation
nono source reports it
A flaw was found in libssh. By utilizing the ProxyCommand or ProxyJump feature, users can exploit unchecked hostname syntax on the client. This issue may allow an attacker to inject malicious code into the command of the features mentioned through the hostname parameter.
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
Affected products
Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 9References
https://access.redhat.com/errata/RHSA-2024:2504https://access.redhat.com/errata/RHSA-2024:3233https://access.redhat.com/security/cve/CVE-2023-6004https://bugzilla.redhat.com/show_bug.cgi?id=2251110https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LZQVUHWVWRH73YBXUQJOD6CKHDQBU3DM/https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MKQRBF3DWMWPH36LBCOBUTSIZRTPEZXB/https://security.netapp.com/advisory/ntap-20240223-0004/https://www.libssh.org/security/advisories/CVE-2023-6004.txt