Vulnerability Description
In ssh-agent in OpenSSH before 9.6, certain destination constraints can be incompletely applied. When destination constraints are specified during addition of PKCS#11-hosted private keys, these constraints are only applied to the first key, even if a PKCS#11 token returns multiple keys.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openbsd | Openssh | >= 8.9, < 9.6 |
| Debian | Debian Linux | 11.0 |
References
- http://seclists.org/fulldisclosure/2024/Mar/21Mailing ListThird Party Advisory
- https://github.com/openssh/openssh-portable/commit/881d9c6af9da4257c69c327c4e2f1PatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20240105-0005/Third Party Advisory
- https://support.apple.com/kb/HT214084Third Party Advisory
- https://www.debian.org/security/2023/dsa-5586Third Party Advisory
- https://www.openssh.com/txt/release-9.6Release Notes
- https://www.openwall.com/lists/oss-security/2023/12/18/2Mailing ListRelease Notes
- http://seclists.org/fulldisclosure/2024/Mar/21Mailing ListThird Party Advisory
- https://github.com/openssh/openssh-portable/commit/881d9c6af9da4257c69c327c4e2f1PatchThird Party Advisory
- https://security.netapp.com/advisory/ntap-20240105-0005/Third Party Advisory
- https://support.apple.com/kb/HT214084Third Party Advisory
- https://www.debian.org/security/2023/dsa-5586Third Party Advisory
- https://www.openssh.com/txt/release-9.6Release Notes
- https://www.openwall.com/lists/oss-security/2023/12/18/2Mailing ListRelease Notes
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
FAQ
What is CVE-2023-51384?
CVE-2023-51384 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In ssh-agent in OpenSSH before 9.6, certain destination constraints can be incompletely applied. When destination constraints are specified during addition of PKCS#11-hosted private keys, these constr...
How severe is CVE-2023-51384?
CVE-2023-51384 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-51384?
Check the references section above for vendor advisories and patch information. Affected products include: Openbsd Openssh, Debian Debian Linux.