CVE-2020-14354

NameCVE-2020-14354
Descriptionares_destroy() with pending ares_getaddrinfo() leads to Use-After-Free
SourceCVE (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 PackageReleaseVersionStatus
c-ares (PTS)stretch1.12.0-1+deb9u1fixed
buster1.14.0-1fixed
bullseye, sid1.16.1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
c-aressourcestretch(not affected)
c-aressourcebuster(not affected)
c-aressource(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)

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