CVE-2017-8929

NameCVE-2017-8929
DescriptionThe sized_string_cmp function in libyara/sizedstr.c in YARA 3.5.0 allows remote attackers to cause a denial of service (use-after-free and application crash) via a crafted rule.
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

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
yara (PTS)jessie3.1.0-2+deb8u1vulnerable
stretch3.5.0+dfsg-9vulnerable
buster3.9.0-1fixed
bullseye, sid3.11.0-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
yarasource(unstable)3.6.0+dfsg-1

Notes

[stretch] - yara <ignored> (Minor issue, too intrusive to backport)
[jessie] - yara <ignored> (Minor issue, too intrusive to backport)
https://github.com/VirusTotal/yara/issues/658
https://github.com/VirusTotal/yara/commit/053e67e3ec81cc9268ce30eaf0d6663d8639ed1e

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