CVE-2021-43302

NameCVE-2021-43302
DescriptionRead out-of-bounds in PJSUA API when calling pjsua_recorder_create. An attacker-controlled 'filename' argument may cause an out-of-bounds read when the filename is shorter than 4 characters.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2962-1, DLA-3194-1, DLA-3549-1, DSA-5285-1
Debian Bugs1014998

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
asterisk (PTS)buster1:16.2.1~dfsg-1+deb10u2vulnerable
buster (security)1:16.28.0~dfsg-0+deb10u4fixed
bullseye1:16.28.0~dfsg-0+deb11u3fixed
bullseye (security)1:16.28.0~dfsg-0+deb11u4fixed
sid1:20.6.0~dfsg+~cs6.13.40431414-2fixed
ring (PTS)buster20190215.1.f152c98~ds1-1+deb10u1vulnerable
buster (security)20190215.1.f152c98~ds1-1+deb10u2fixed
bullseye20210112.2.b757bac~ds1-1vulnerable
bookworm20230206.0~ds2-1.1fixed
sid, trixie20231201.0~ds1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
asterisksourcestretch(not affected)
asterisksourcebuster1:16.28.0~dfsg-0+deb10u1DLA-3194-1
asterisksourcebullseye1:16.28.0~dfsg-0+deb11u1DSA-5285-1
asterisksource(unstable)1:18.11.1~dfsg+~cs6.10.40431413-1
pjprojectsourcestretch2.5.5~dfsg-6+deb9u3DLA-2962-1
pjprojectsource(unstable)(unfixed)
ringsourcebuster20190215.1.f152c98~ds1-1+deb10u2DLA-3549-1
ringsource(unstable)20230206.0~ds1-11014998

Notes

[stretch] - asterisk <not-affected> (Vulnerable code not present)
https://github.com/pjsip/pjproject/security/advisories/GHSA-qcvw-h34v-c7r9
https://github.com/pjsip/pjproject/commit/d979253c924a686fa511d705be1f3ad0c5b20337

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