CVE-2011-2216

Name	CVE-2011-2216
Description	reqresp_parser.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.4.2 does not initialize certain strings, which allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a malformed Contact header.
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)
Debian Bugs	629130

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
asterisk (PTS)	bullseye	1:16.28.0~dfsg-0+deb11u4	fixed
	bullseye (security)	1:16.28.0~dfsg-0+deb11u8	fixed
	sid	1:22.6.0~dfsg+~cs6.15.60671435-1	fixed

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

Package	Type	Release	Fixed Version	Debian Bugs
asterisk	source	lenny	(not affected)
asterisk	source	squeeze	(not affected)
asterisk	source	(unstable)	1:1.8.4.2-1	629130

Notes

[lenny] - asterisk <not-affected> (Only affects 1.8)
[squeeze] - asterisk <not-affected> (Only affects 1.8)
http://downloads.digium.com/pub/security/AST-2011-007.html