CVE-2023-6004
Libssh: proxycommand/proxyjump features allow injection of malicious code through hostname
Vexday Risk Score
13Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 4.8EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado
Lifecycle
03 Jan 2024Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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 9Want to know if your infrastructure is exposed to this?
Talk to TrueHacking →References
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