CVE-2012-3863

Name	CVE-2012-3863
Description	channels/chan_sip.c in Asterisk Open Source 1.8.x before 1.8.13.1 and 10.x before 10.5.2, Asterisk Business Edition C.3.x before C.3.7.5, Certified Asterisk 1.8.11-certx before 1.8.11-cert4, and Asterisk Digiumphones 10.x.x-digiumphones before 10.5.2-digiumphones does not properly handle a provisional response to a SIP reINVITE request, which allows remote authenticated users to cause a denial of service (RTP port exhaustion) via sessions that lack final responses.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-2550-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
asterisk (PTS)	jessie, jessie (lts)	1:11.13.1~dfsg-2+deb8u8	fixed
	stretch (security)	1:13.14.1~dfsg-2+deb9u6	fixed
	stretch (lts), stretch	1:13.14.1~dfsg-2+deb9u10	fixed
	buster, buster (lts)	1:16.28.0~dfsg-0+deb10u5	fixed
	buster (security)	1:16.28.0~dfsg-0+deb10u4	fixed
	bullseye	1:16.28.0~dfsg-0+deb11u4	fixed
	bullseye (security)	1:16.28.0~dfsg-0+deb11u5	fixed
	sid	1:22.1.0~dfsg+~cs6.14.60671435-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
asterisk	source	squeeze	1:1.6.2.9-2+squeeze7		DSA-2550-1
asterisk	source	(unstable)	1:1.8.13.1~dfsg-1