CVE-2016-7551

Name	CVE-2016-7551
Description	chain_sip in Asterisk Open Source 11.x before 11.23.1 and 13.x 13.11.1 and Certified Asterisk 11.6 before 11.6-cert15 and 13.8 before 13.8-cert3 allows remote attackers to cause a denial of service (port exhaustion).
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
References	DLA-781-1, DSA-3700-1
NVD severity	medium (attack range: remote)
Debian Bugs	838832

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
asterisk (PTS)	jessie	1:11.13.1~dfsg-2+deb8u4	fixed
	jessie (security)	1:11.13.1~dfsg-2+deb8u5	fixed
	stretch (security), stretch	1:13.14.1~dfsg-2+deb9u3	fixed
	buster, sid	1:13.20.0~dfsg-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	(unstable)	1:13.11.2~dfsg-1	medium		838832
asterisk	source	jessie	1:11.13.1~dfsg-2+deb8u1	medium	DSA-3700-1
asterisk	source	wheezy	1:1.8.13.1~dfsg1-3+deb7u5	medium	DLA-781-1

http://downloads.asterisk.org/pub/security/AST-2016-007.html