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 code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
asterisk (PTS)stretch1:13.14.1~dfsg-2+deb9u4vulnerable
stretch (security)1:13.14.1~dfsg-2+deb9u6vulnerable
buster1:16.2.1~dfsg-1+deb10u2vulnerable
bullseye1:16.16.1~dfsg-1vulnerable
bullseye (security)1:16.16.1~dfsg-1+deb11u1vulnerable
bookworm, sid1:18.12.0~dfsg+~cs6.12.40431413-1vulnerable
pjproject (PTS)stretch2.5.5~dfsg-6+deb9u1vulnerable
stretch (security)2.5.5~dfsg-6+deb9u4vulnerable
ring (PTS)stretch20161221.2.7bd7d91~dfsg1-1vulnerable
stretch (security)20161221.2.7bd7d91~dfsg1-1+deb9u1vulnerable
buster20190215.1.f152c98~ds1-1+deb10u1vulnerable
bullseye, sid20210112.2.b757bac~ds1-1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
asterisksource(unstable)(unfixed)
pjprojectsource(unstable)(unfixed)
ringsource(unstable)(unfixed)unimportant

Notes

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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