| Name | CVE-2021-43303 |
| Description | Buffer overflow in PJSUA API when calling pjsua_call_dump. An attacker-controlled 'buffer' argument may cause a buffer overflow, since supplying an output buffer smaller than 128 characters may overflow the output buffer, regardless of the 'maxlen' argument supplied |
| 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-2962-1, DLA-3194-1, DSA-5285-1 |
| Debian Bugs | 1014998 |
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+deb10u1 | fixed | |
| bullseye | 1:16.16.1~dfsg-1+deb11u1 | vulnerable | |
| bullseye (security) | 1:16.28.0~dfsg-0+deb11u1 | fixed | |
| bookworm, sid | 1:20.0.0~dfsg+~cs6.12.40431414-2 | fixed | |
| ring (PTS) | buster | 20190215.1.f152c98~ds1-1+deb10u1 | vulnerable |
| sid, bullseye | 20210112.2.b757bac~ds1-1 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| asterisk | source | stretch | (not affected) | |||
| asterisk | source | buster | 1:16.28.0~dfsg-0+deb10u1 | DLA-3194-1 | ||
| asterisk | source | bullseye | 1:16.28.0~dfsg-0+deb11u1 | DSA-5285-1 | ||
| asterisk | source | (unstable) | 1:18.11.1~dfsg+~cs6.10.40431413-1 | |||
| pjproject | source | stretch | 2.5.5~dfsg-6+deb9u3 | DLA-2962-1 | ||
| pjproject | source | (unstable) | (unfixed) | |||
| ring | source | (unstable) | (unfixed) | 1014998 |
[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