CVE-2017-5923

NameCVE-2017-5923
Descriptionlibyara/grammar.y in YARA 3.5.0 allows remote attackers to cause a denial of service (heap-based out-of-bounds read and application crash) via a crafted rule that is mishandled in the yara_yyparse function.
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)
NVD severitymedium (attack range: remote)
Debian Bugs859821

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
yara (PTS)jessie3.1.0-2+deb8u1fixed
stretch3.5.0+dfsg-9fixed
buster, bullseye3.9.0-1fixed
sid3.10.0-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
yarasource(unstable)3.5.0+dfsg-9medium859821
yarasourcejessie3.1.0-2+deb8u1medium

Notes

https://github.com/VirusTotal/yara/issues/597
Search for package or bug name: Reporting problems