CVE-2023-28531

NameCVE-2023-28531
Descriptionssh-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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1033166

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openssh (PTS)bullseye (security), bullseye1:8.4p1-5+deb11u3fixed
bookworm, bookworm (security)1:9.2p1-2+deb12u3fixed
sid, trixie1:9.9p1-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
opensshsourcebuster(not affected)
opensshsourcebullseye(not affected)
opensshsourcebookworm1:9.2p1-2+deb12u2
opensshsource(unstable)1:9.3p1-11033166

Notes

[bullseye] - openssh <not-affected> (Vulnerable code introduced later; per-hop destination constraints support added in OpenSSH 8.9)
[buster] - openssh <not-affected> (Vulnerable code introduced later; per-hop destination constraints support added in OpenSSH 8.9)
https://github.com/openssh/openssh-portable/commit/54ac4ab2b53ce9fcb66b8250dee91c070e4167ed (V_9_3_P1)

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