CVE-2023-51385
MEDIUM severity · CVSS 6.5 · OS command injection
6.5CVSS MEDIUM
Summary
In ssh in OpenSSH before 9.6, OS command injection might occur if a user name or host name has shell metacharacters, and this name is referenced by an expansion token in certain situations. For example, an untrusted Git repository can have a submodule with shell metacharacters in a user name or host name.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactLow
Integrity impactLow
Availability impactNone
Exploit probability (EPSS)20%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://github.com/openssh/openssh-portable/commit/7ef3787c84b6b524501211b11a26c742f829af1a ↗
Additional information
- NVD record
- https://github.com/openssh/openssh-portable/commit/7ef3787c84b6b524501211b11a26c742f829af1aPatch
- http://seclists.org/fulldisclosure/2024/Mar/21
- http://www.openwall.com/lists/oss-security/2023/12/26/4Advisory
- https://lists.debian.org/debian-lts-announce/2023/12/msg00017.htmlAdvisory
- https://security.gentoo.org/glsa/202312-17Advisory
- https://security.netapp.com/advisory/ntap-20240105-0005/
- https://support.apple.com/kb/HT214084
- https://vin01.github.io/piptagole/ssh/security/openssh/libssh/remote-code-execution/2023/12/20/openssh-proxycommand-libssh-rce.htmlAdvisory