| Name | CVE-2023-28531 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1033166 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| openssh (PTS) | buster | 1:7.9p1-10+deb10u2 | fixed |
| buster (security) | 1:7.9p1-10+deb10u3 | fixed |
| bullseye | 1:8.4p1-5+deb11u1 | fixed |
| bookworm | 1:9.2p1-2 | vulnerable |
| sid, trixie | 1:9.4p1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| openssh | source | buster | (not affected) | | | |
| openssh | source | bullseye | (not affected) | | | |
| openssh | source | (unstable) | 1:9.3p1-1 | | | 1033166 |
Notes
[bookworm] - openssh <no-dsa> (Minor issue)
[bullseye] - openssh <not-affected> (Vulnerable code introduced later; per-hop desination constraints support added in OpenSSH 8.9)
[buster] - openssh <not-affected> (Vulnerable code introduced later; per-hop desination constraints support added in OpenSSH 8.9)