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, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-2331-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tor (PTS)wheezy (security), wheezy0.2.4.27-1fixed
jessie0.2.5.12-2fixed
stretch0.2.8.7-1fixed
sid0.2.8.8-1fixed

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

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

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