CVE-2014-4909

Name	CVE-2014-4909
Description	Integer 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.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-2988-1
Debian Bugs	755985

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
transmission (PTS)	bullseye	3.00-1	fixed
	bookworm	3.00-2.1+deb12u1	fixed
	trixie	4.1.0~beta2+dfsg-3+deb13u1	fixed
	forky, sid	4.1.0+dfsg-1	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
transmission	source	squeeze	(not affected)
transmission	source	wheezy	2.52-3+nmu2	DSA-2988-1
transmission	source	(unstable)	2.84-0.1		755985

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