VulnerabilityModified
CVE-2017-9304
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 that is mishandled in the _yr_re_emit function.
HIGH 7.5EPSS 1.83%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.83%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 that is mishandled in the _yr_re_emit function.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.83% probability · 78th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-674
- Affected
- virustotal/yara
- Source
- cve@mitre.org
References
- https://github.com/VirusTotal/yara/commit/925bcf3c3b0a28b5b78e25d9efda5c0bf27ae699Patch
- https://github.com/VirusTotal/yara/issues/674Issue Tracking, Patch
- https://github.com/VirusTotal/yara/commit/925bcf3c3b0a28b5b78e25d9efda5c0bf27ae699Patch
- https://github.com/VirusTotal/yara/issues/674Issue Tracking, Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.