CVE-2021-38385

NameCVE-2021-38385
DescriptionTor before 0.3.5.16, 0.4.5.10, and 0.4.6.7 mishandles the relationship between batch-signature verification and single-signature verification, leading to a remote assertion failure, aka TROVE-2021-007.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-4961-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tor (PTS)bullseye (security), bullseye0.4.5.16-1fixed
bookworm, bookworm (security)0.4.7.16-1fixed
sid, trixie0.4.8.12-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
torsourcestretch(unfixed)end-of-life
torsourcebuster0.3.5.16-1DSA-4961-1
torsourcebullseye0.4.5.10-1~deb11u1DSA-4961-1
torsource(unstable)0.4.5.10-1

Notes

[stretch] - tor <end-of-life> (See DSA 4644)
https://blog.torproject.org/node/2062
https://bugs.torproject.org/tpo/core/tor/40078

Search for package or bug name: Reporting problems