CVE-2017-9438

Published: Jun 5, 2017Modified: May 13, 2026

7.5

Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

libyara/re.c in the regexp module in YARA 3.5.0 allows remote attackers to cause a denial of service (stack consumption) via a crafted rule (involving hex strings) that is mishandled in the _yr_re_emit function, a different vulnerability than CVE-2017-9304.

Affected (1)

Products: Virustotal: Yara

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Virustotal Yara	Version 3.5.0

Related CWEs

Uncontrolled Recursion

The product does not properly control the amount of recursion that takes place, consuming excessive resources, such as allocated memory or the program stack.

References (8)

https://github.com/VirusTotal/yara/commit/10e8bd3071677dd1fa76beeef4bc2fc427cea5e7

Source: cve@mitre.org

Patch

https://github.com/VirusTotal/yara/issues/674

Source: cve@mitre.org

Issue TrackingPatch

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FKNXSH5ERG6NELTXCYVJLUPJJJ2TNEBD/

Source: cve@mitre.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XXM224OLGI6KAOROLDPPGGCZ2OQVQ6HH/

Source: cve@mitre.org

https://github.com/VirusTotal/yara/commit/10e8bd3071677dd1fa76beeef4bc2fc427cea5e7

Source: af854a3a-2127-422b-91ae-364da2661108

Patch

https://github.com/VirusTotal/yara/issues/674

Source: af854a3a-2127-422b-91ae-364da2661108

Issue TrackingPatch

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FKNXSH5ERG6NELTXCYVJLUPJJJ2TNEBD/

Source: af854a3a-2127-422b-91ae-364da2661108

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XXM224OLGI6KAOROLDPPGGCZ2OQVQ6HH/

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.