vulnerability

Ubuntu: USN-6565-1 (CVE-2023-51384): OpenSSH vulnerabilities

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Severity

CVSS

(AV:L/AC:L/Au:S/C:C/I:N/A:N)

Published

Dec 18, 2023

Added

Jan 4, 2024

Modified

May 31, 2026

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.

Solutions

ubuntu-upgrade-openssh-clientubuntu-upgrade-openssh-server

References

CVE-2023-51384
https://attackerkb.com/topics/CVE-2023-51384
CWE-284
EUVD-EUVD-2023-56105
UBUNTU-USN-6565-1
https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-56105

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