CVE-2011-2768

NameCVE-2011-2768
DescriptionTor before 0.2.2.34, when configured as a client or bridge, sends a TLS certificate chain as part of an outgoing OR connection, which allows remote relays to bypass intended anonymity properties by reading this chain and then determining the set of entry guards that the client or bridge had selected.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-2331-1

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, trixie0.4.8.13-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
torsourcelenny0.2.1.31-1~lenny+1DSA-2331-1
torsourcesqueeze0.2.1.31-1DSA-2331-1
torsource(unstable)0.2.2.34-1
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