CVE-2011-4063

Name	CVE-2011-4063
Description	chan_sip.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.7.1 and 10.x before 10.0.0-rc1 does not properly initialize variables during request parsing, which allows remote authenticated users to cause a denial of service (daemon crash) via a malformed request.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
Debian Bugs	647252

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
asterisk (PTS)	buster	1:16.2.1~dfsg-1+deb10u2	fixed
	buster (security)	1:16.28.0~dfsg-0+deb10u2	fixed
	bullseye	1:16.28.0~dfsg-0+deb11u1	fixed
	bullseye (security)	1:16.28.0~dfsg-0+deb11u2	fixed
	bookworm, sid	1:20.1.0~dfsg+~cs6.12.40431414-1	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)	1:1.8.7.1~dfsg-1	647252

[lenny] - asterisk <not-affected> (Only affects >= 1.8)
[squeeze] - asterisk <not-affected> (Only affects >= 1.8)