CVE-2012-4436

Name	CVE-2012-4436
Description	Buffer overflow in the run_last_args function in client/fwknop.c in fwknop before 2.0.3, when processing --last, might allow local users to cause a denial of service (client crash) and possibly execute arbitrary code via many .fwknop.run arguments.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	688151

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
fwknop (PTS)	buster	2.6.10-2	fixed
	bullseye	2.6.10-12	fixed
	bookworm	2.6.10-16	fixed
	sid	2.6.10-20.2	fixed

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

Package	Type	Release	Fixed Version	Debian Bugs
fwknop	source	squeeze	(not affected)
fwknop	source	wheezy	2.0.0rc2-2+deb7u1
fwknop	source	(unstable)	2.0.3-1	688151

Notes

[squeeze] - fwknop <not-affected> (Vulnerable code not present)
http://seclists.org/oss-sec/2012/q3/509
http://www.cipherdyne.org/cgi-bin/gitweb.cgi?p=fwknop.git;a=commitdiff;h=a60f05ad44e824f6230b22f8976399340cb535dc