CVE-2017-5924

Published: 03 April 2017

libyara/grammar.y in YARA 3.5.0 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted rule that is mishandled in the yr_compiler_destroy function.

Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
yara
Launchpad, Ubuntu, Debian
Upstream Needed

Ubuntu 20.10 (Groovy Gorilla) Not vulnerable
(3.5.0+dfsg-9)
Ubuntu 20.04 LTS (Focal Fossa) Not vulnerable
(3.5.0+dfsg-9)
Ubuntu 18.04 LTS (Bionic Beaver) Not vulnerable
(3.5.0+dfsg-9)
Ubuntu 16.04 LTS (Xenial Xerus) Needed

Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was needs-triage)
Patches:
Upstream: https://github.com/VirusTotal/yara/commit/7f02eca670f29c00a1d2c305e96febae6ce5d37b