| Name | CVE-2020-14354 |
| Description | ares_destroy() with pending ares_getaddrinfo() leads to Use-After-Free |
| Source | CVE (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 Package | Release | Version | Status |
|---|
| c-ares (PTS) | stretch | 1.12.0-1+deb9u1 | fixed |
| buster | 1.14.0-1 | fixed |
| bullseye, sid | 1.17.1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| c-ares | source | stretch | (not affected) | | | |
| c-ares | source | buster | (not affected) | | | |
| c-ares | source | (unstable) | 1.16.1-1 | | | |
Notes
[buster] - c-ares <not-affected> (Vulnerable code introduced later)
[stretch] - c-ares <not-affected> (Vulnerable code introduced later)
https://bugzilla.redhat.com/show_bug.cgi?id=1866838
Introduced in: https://github.com/c-ares/c-ares/commit/dbd4c441fb7babad5c56f455d720af38e20546bc (1.16.0)
Fixed by: https://github.com/c-ares/c-ares/commit/1cc7e83c3bdfaafbc5919c95025592d8de3a170e (1.16.1)