CVE-2023-28531
CRITICAL severity · CVSS 9.8 · Improper access control
9.8CVSS CRITICAL
Summary
ssh-add in OpenSSH before 9.3 adds smartcard keys to ssh-agent without the intended per-hop destination constraints. The earliest affected version is 8.9.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)2%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AN2UDTXEUSKFIOIYMV6JNI5VSBMYZOFT/
- https://security.gentoo.org/glsa/202307-01Advisory
- https://security.netapp.com/advisory/ntap-20230413-0008/Advisory
- https://www.debian.org/security/2023/dsa-5586
- https://www.openwall.com/lists/oss-security/2023/03/15/8
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AN2UDTXEUSKFIOIYMV6JNI5VSBMYZOFT/