CVE-2023-51384

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.

5.5

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.04%

Vendor Advisory debian.org

Affected: n/a n/a

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/881d9c6af9da4257c69c327c4e2f1508b2fa754b	third party advisory patch
https://www.debian.org/security/2023/dsa-5586	third party advisory vendor advisory
https://security.netapp.com/advisory/ntap-20240105-0005/	third party advisory
https://support.apple.com/kb/HT214084	third party advisory
http://seclists.org/fulldisclosure/2024/Mar/21	third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2023-51384?: CVE-2023-51384 has been scored as a medium severity vulnerability.
How to fix CVE-2023-51384?: To fix CVE-2023-51384, 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-2023-51384 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2023-51384 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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