Vulnerability Monitor

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CVE-2023-51385

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.

Published

2023-12-18T19:15:08.773

Last Modified

2025-11-04T22:15:56.047

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

Weaknesses

Type: Primary
CWE-78

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	openbsd	openssh	< 9.6	Yes
Operating System	debian	debian_linux	10.0	Yes
Operating System	debian	debian_linux	11.0	Yes
Operating System	debian	debian_linux	12.0	Yes

References

http://seclists.org/fulldisclosure/2024/Mar/21 ([email protected])
http://www.openwall.com/lists/oss-security/2023/12/26/4 Mailing List, Third Party Advisory ([email protected])
https://github.com/openssh/openssh-portable/commit/7ef3787c84b6b524501211b11a26c742f829af1a Patch ([email protected])
https://lists.debian.org/debian-lts-announce/2023/12/msg00017.html Mailing List, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/202312-17 Third Party Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20240105-0005/ ([email protected])
https://support.apple.com/kb/HT214084 ([email protected])
https://vin01.github.io/piptagole/ssh/security/openssh/libssh/remote-code-execution/2023/12/20/openssh-proxycommand-libssh-rce.html Third Party Advisory ([email protected])
https://www.debian.org/security/2023/dsa-5586 Third Party Advisory ([email protected])
https://www.openssh.com/txt/release-9.6 Release Notes ([email protected])
https://www.openwall.com/lists/oss-security/2023/12/18/2 Mailing List, Release Notes ([email protected])
http://seclists.org/fulldisclosure/2024/Mar/21 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2023/12/26/4 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2025/10/07/1 (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2025/10/12/1 (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/openssh/openssh-portable/commit/7ef3787c84b6b524501211b11a26c742f829af1a Patch (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2023/12/msg00017.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202312-17 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20240105-0005/ (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/kb/HT214084 (af854a3a-2127-422b-91ae-364da2661108)
https://vin01.github.io/piptagole/ssh/security/openssh/libssh/remote-code-execution/2023/12/20/openssh-proxycommand-libssh-rce.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2023/dsa-5586 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.openssh.com/txt/release-9.6 Release Notes (af854a3a-2127-422b-91ae-364da2661108)
https://www.openwall.com/lists/oss-security/2023/12/18/2 Mailing List, Release Notes (af854a3a-2127-422b-91ae-364da2661108)