| Name | CVE-2020-22217 |
| Description | Buffer overflow vulnerability in c-ares before 1_16_1 thru 1_17_0 via function ares_parse_soa_reply in ares_parse_soa_reply.c. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3567-1, ELA-946-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| c-ares (PTS) | jessie, jessie (lts) | 1.10.0-2+deb8u7 | fixed |
| stretch (security) | 1.12.0-1+deb9u2 | vulnerable |
| stretch (lts), stretch | 1.12.0-1+deb9u6 | fixed |
| buster (security), buster, buster (lts) | 1.14.0-1+deb10u4 | fixed |
| bullseye (security), bullseye | 1.17.1-1+deb11u3 | fixed |
| bookworm | 1.18.1-3 | fixed |
| sid, trixie | 1.34.2-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
https://github.com/c-ares/c-ares/issues/333
https://github.com/c-ares/c-ares/pull/332
Fixed by: https://github.com/c-ares/c-ares/commit/1b98172b141fe874ad43e679e67506f9b2139043 (c-ares-1_17_0)