CVE-2022-39269

Name	CVE-2022-39269
Description	PJSIP is a free and open source multimedia communication library written in C. When processing certain packets, PJSIP may incorrectly switch from using SRTP media transport to using basic RTP upon SRTP restart, causing the media to be sent insecurely. The vulnerability impacts all PJSIP users that use SRTP. The patch is available as commit d2acb9a in the master branch of the project and will be included in version 2.13. Users are advised to manually patch or to upgrade. There are no known workarounds for this vulnerability.
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
	bookworm, sid	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
	bookworm, sid	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-wx5m-cj97-4wwg
https://github.com/pjsip/pjproject/commit/d2acb9af4e27b5ba75d658690406cec9c274c5cc