CVE-2022-24786

NameCVE-2022-24786
DescriptionPJSIP is a free and open source multimedia communication library written in C. PJSIP versions 2.12 and prior do not parse incoming RTCP feedback RPSI (Reference Picture Selection Indication) packet, but any app that directly uses pjmedia_rtcp_fb_parse_rpsi() will be affected. A patch is available in the `master` branch of the `pjsip/pjproject` GitHub repository. There are currently no known workarounds.
SourceCVE (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 Bugs1014976

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
asterisk (PTS)buster1:16.2.1~dfsg-1+deb10u2vulnerable
bullseye (security), bullseye1:16.16.1~dfsg-1+deb11u1vulnerable
bookworm, sid1:18.14.0~dfsg+~cs6.12.40431414-1fixed
ring (PTS)buster20190215.1.f152c98~ds1-1+deb10u1vulnerable
sid, bullseye20210112.2.b757bac~ds1-1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
asterisksourcestretch(not affected)
asterisksource(unstable)1:18.14.0~~rc1~dfsg+~cs6.12.40431414-11014976
pjprojectsourcestretch(not affected)
pjprojectsource(unstable)(unfixed)
ringsource(unstable)(unfixed)unimportant

Notes

[stretch] - asterisk <not-affected> (Vulnerable code not present)
[stretch] - pjproject <not-affected> (Vulnerable code not present)
code is present in ring but ring only uses the pjsip code, not pjmedia
https://github.com/pjsip/pjproject/security/advisories/GHSA-vhxv-phmx-g52q
https://github.com/pjsip/pjproject/commit/11559e49e65bdf00922ad5ae28913ec6a198d508

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