CVE-2022-23547

Name	CVE-2022-23547
Description	PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. This issue is similar to GHSA-9pfh-r8x4-w26w. Possible buffer overread when parsing a certain STUN message. The vulnerability affects applications that uses STUN including PJNATH and PJSUA-LIB. The patch is available as commit in the master branch.
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)
References	DLA-3335-1, DSA-5358-1
Debian Bugs	1032092

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	vulnerable
	buster (security)	1:16.28.0~dfsg-0+deb10u2	fixed
	bullseye	1:16.28.0~dfsg-0+deb11u1	vulnerable
	bullseye (security)	1:16.28.0~dfsg-0+deb11u2	fixed
	sid, bookworm	1:20.1.0~dfsg+~cs6.12.40431414-1	vulnerable
ring (PTS)	buster	20190215.1.f152c98~ds1-1+deb10u1	vulnerable
	bullseye	20210112.2.b757bac~ds1-1	vulnerable
	sid, bookworm	20230206.0~ds2-1.1	fixed

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

Package	Type	Release	Fixed Version	Origin	Debian Bugs
asterisk	source	buster	1:16.28.0~dfsg-0+deb10u2	DLA-3335-1
asterisk	source	bullseye	1:16.28.0~dfsg-0+deb11u2	DSA-5358-1
asterisk	source	(unstable)	(unfixed)		1032092
pjproject	source	(unstable)	(unfixed)
ring	source	(unstable)	20230206.0~ds1-1

Notes

https://github.com/pjsip/pjproject/security/advisories/GHSA-9pfh-r8x4-w26w
https://github.com/pjsip/pjproject/commit/d8440f4d711a654b511f50f79c0445b26f9dd1e1
https://github.com/pjsip/pjproject/security/advisories/GHSA-cxwq-5g9x-x7fr
https://github.com/pjsip/pjproject/commit/bc4812d31a67d5e2f973fbfaf950d6118226cf36