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, DLA-3887-1, DSA-5285-1
Debian Bugs1014998

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
asterisk (PTS)jessie, jessie (lts)1:11.13.1~dfsg-2+deb8u8vulnerable
stretch (security)1:13.14.1~dfsg-2+deb9u6fixed
stretch (lts), stretch1:13.14.1~dfsg-2+deb9u10fixed
buster, buster (lts)1:16.28.0~dfsg-0+deb10u5fixed
buster (security)1:16.28.0~dfsg-0+deb10u4fixed
bullseye1:16.28.0~dfsg-0+deb11u4fixed
bullseye (security)1:16.28.0~dfsg-0+deb11u5fixed
sid1:22.0.0~dfsg+~cs6.14.60671435-1fixed
pjproject (PTS)jessie, jessie (lts)2.1.0.0.ast20130823-1+deb8u1vulnerable
stretch (security)2.5.5~dfsg-6+deb9u5fixed
stretch (lts), stretch2.5.5~dfsg-6+deb9u9fixed
ring (PTS)stretch (security), stretch (lts), stretch20161221.2.7bd7d91~dfsg1-1+deb9u1vulnerable
buster (security), buster, buster (lts)20190215.1.f152c98~ds1-1+deb10u2fixed
bullseye20210112.2.b757bac~ds1-1vulnerable
bullseye (security)20210112.2.b757bac~ds1-1+deb11u1fixed
bookworm20230206.0~ds2-1.1fixed
sid20231201.0~ds1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
asterisksourcejessie(unfixed)end-of-life
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
pjprojectsourcejessie(unfixed)end-of-life
pjprojectsourcestretch2.5.5~dfsg-6+deb9u3DLA-2962-1
pjprojectsource(unstable)(unfixed)
ringsourcestretch(unfixed)end-of-life
ringsourcebuster20190215.1.f152c98~ds1-1+deb10u2DLA-3549-1
ringsourcebullseye20210112.2.b757bac~ds1-1+deb11u1DLA-3887-1
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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