CVE-2023-28531
critical
CVSS v3
9.8
CVSS v4 NEW
—
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
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1:9.3p1-1 |
| sid | Fixed | 1:9.3p1-1 |
| forky | Fixed | 1:9.3p1-1 |
| bullseye | Fixed | 0 |
| bookworm | Fixed | 1:9.2p1-2+deb12u2 |
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
CWEs
CWE-284
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.