CVE-2017-8294

moderate-risk

Published 2017-04-27

libyara/re.c in the regex component in YARA 3.5.0 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted rule that is mishandled in the yr_re_exec function.

Do I need to act?

0.29% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 7.5/10 High

NETWORK / LOW complexity

Affected Products (1)

Yara

Affected Vendors

Virustotal

References (6)

Third Party Advisory http://www.securityfocus.com/bid/98072

Patch https://github.com/VirusTotal/yara/commit/83d799804648c2a0895d40a19835d9b757c6fa...

Issue Tracking https://github.com/VirusTotal/yara/issues/646

Third Party Advisory http://www.securityfocus.com/bid/98072

Patch https://github.com/VirusTotal/yara/commit/83d799804648c2a0895d40a19835d9b757c6fa...

Issue Tracking https://github.com/VirusTotal/yara/issues/646

/ 100

moderate-risk

Severity 26/34 · High

Exploitability 1/34 · Minimal

Exposure 5/34 · Minimal