CVE-2017-5924

Published: Apr 3, 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/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.

Affected (1)

Products: Virustotal: Yara

Virustotal

1 product

Yara

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Virustotal Yara	Version 3.5.0

Related CWEs

CWE-416

Use After Free

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

References (6)

http://www.securityfocus.com/bid/98075

Source: cve@mitre.org

https://github.com/VirusTotal/yara/commit/7f02eca670f29c00a1d2c305e96febae6ce5d37b

Source: cve@mitre.org

PatchVendor Advisory

https://github.com/VirusTotal/yara/issues/593

Source: cve@mitre.org

ExploitIssue TrackingPatch

http://www.securityfocus.com/bid/98075

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

https://github.com/VirusTotal/yara/commit/7f02eca670f29c00a1d2c305e96febae6ce5d37b

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

PatchVendor Advisory

https://github.com/VirusTotal/yara/issues/593

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

ExploitIssue TrackingPatch

Timeline

No history available yet.