CVE-2014-4909

NameCVE-2014-4909
DescriptionInteger overflow in the tr_bitfieldEnsureNthBitAlloced function in bitfield.c in Transmission before 2.84 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a crafted peer message, which triggers an out-of-bounds write.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-2988-1
NVD severitymedium (attack range: remote)
Debian Bugs755985

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
transmission (PTS)wheezy, wheezy (security)2.52-3+nmu2fixed
jessie2.84-0.2fixed
buster, stretch, sid2.92-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
transmissionsource(unstable)2.84-0.1medium755985
transmissionsourcesqueeze(not affected)
transmissionsourcewheezy2.52-3+nmu2mediumDSA-2988-1

Notes

[squeeze] - transmission <not-affected> (Vulnerable code not present)
http://trac.transmissionbt.com/wiki/Changes#version-2.84
PoC: http://web.archive.org/web/20140815000641/http://inertiawar.com:80/submission.go

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