CVE-2023-51385

Description

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 5.34% Top 15%
Vendor Advisory debian.org Vendor Advisory gentoo.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.openssh.com/txt/release-9.6 release notes
https://www.openwall.com/lists/oss-security/2023/12/18/2 release notes mailing list
https://github.com/openssh/openssh-portable/commit/7ef3787c84b6b524501211b11a26c742f829af1a patch
https://www.debian.org/security/2023/dsa-5586 third party advisory vendor advisory
https://vin01.github.io/piptagole/ssh/security/openssh/libssh/remote-code-execution/2023/12/20/openssh-proxycommand-libssh-rce.html third party advisory
https://lists.debian.org/debian-lts-announce/2023/12/msg00017.html third party advisory mailing list
http://www.openwall.com/lists/oss-security/2023/12/26/4 third party advisory mailing list
https://security.gentoo.org/glsa/202312-17 third party advisory vendor advisory
https://security.netapp.com/advisory/ntap-20240105-0005/
https://support.apple.com/kb/HT214084
http://seclists.org/fulldisclosure/2024/Mar/21 mailing list

Frequently Asked Questions

What is the severity of CVE-2023-51385?
CVE-2023-51385 has been scored as a medium severity vulnerability.
How to fix CVE-2023-51385?
To fix CVE-2023-51385, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-51385 being actively exploited in the wild?
It is possible that CVE-2023-51385 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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