CVE-2023-28531
critical
CVSS v3
9.8
CVSS v2
—
VIR risk
9.8
Description
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.
Predictions
Exploit likelihood
97%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2023-28531
Vendor advisory: cve@mitre.org — https://www.openwall.com/lists/oss-security/2023/03/15/8
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 1:9.2p1-2+deb12u2 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 1:9.3p1-1 |
| debian | sid | fixed | 1:9.3p1-1 |
| debian | trixie | fixed | 1:9.3p1-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| openbsd | openssh | {"startIncluding":"8.9","endExcluding":"9.3"} | 9.3 |
References
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AN2UDTXEUSKFIOIYMV6JNI5VSBMYZOFT/
- https://security.gentoo.org/glsa/202307-01
- https://security.netapp.com/advisory/ntap-20230413-0008/
- 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/
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
- https://security-tracker.debian.org/tracker/CVE-2023-28531
Verify integrity in audit chain (admin only). AS-IS.