CVE-2011-2778

NameCVE-2011-2778
DescriptionMultiple heap-based buffer overflows in Tor before 0.2.2.35 allow remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code by (1) establishing a SOCKS connection to SocksPort or (2) leveraging a SOCKS proxy configuration.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-2363-1
NVD severityhigh (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tor (PTS)wheezy0.2.4.27-1fixed
wheezy (security)0.2.4.29-1fixed
jessie0.2.5.15-1fixed
jessie (security)0.2.5.16-1fixed
stretch0.2.9.13-1fixed
stretch (security)0.2.9.14-1fixed
buster, sid0.3.1.9-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
torsource(unstable)0.2.2.35-1high
torsourcelenny0.2.1.32-1highDSA-2363-1
torsourcesqueeze0.2.2.35-1~squeeze+1highDSA-2363-1

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