Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Virustotal | Yara | 3.5.0 |
Related Weaknesses (CWE)
References
- https://github.com/VirusTotal/yara/commit/10e8bd3071677dd1fa76beeef4bc2fc427cea5Patch
- https://github.com/VirusTotal/yara/issues/674Issue TrackingPatch
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://github.com/VirusTotal/yara/commit/10e8bd3071677dd1fa76beeef4bc2fc427cea5Patch
- https://github.com/VirusTotal/yara/issues/674Issue TrackingPatch
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2017-9438?
CVE-2017-9438 is a vulnerability with a CVSS score of 7.5 (HIGH). 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_emi...
How severe is CVE-2017-9438?
CVE-2017-9438 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-9438?
Check the references section above for vendor advisories and patch information. Affected products include: Virustotal Yara.