Vulnerability Description
libyara/grammar.y in YARA 3.5.0 allows remote attackers to cause a denial of service (heap-based out-of-bounds read and application crash) via a crafted rule that is mishandled in the yara_yyparse function.
CVSS Score
7.5
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Virustotal | Yara | 3.5.0 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/98080
- https://github.com/VirusTotal/yara/commit/ab906da53ff2a68c6fd6d1fa73f2b7c7bf0bc6PatchVendor Advisory
- https://github.com/VirusTotal/yara/issues/597ExploitIssue TrackingPatch
- http://www.securityfocus.com/bid/98080
- https://github.com/VirusTotal/yara/commit/ab906da53ff2a68c6fd6d1fa73f2b7c7bf0bc6PatchVendor Advisory
- https://github.com/VirusTotal/yara/issues/597ExploitIssue TrackingPatch
FAQ
What is CVE-2017-5923?
CVE-2017-5923 is a vulnerability with a CVSS score of 7.5 (HIGH). libyara/grammar.y in YARA 3.5.0 allows remote attackers to cause a denial of service (heap-based out-of-bounds read and application crash) via a crafted rule that is mishandled in the yara_yyparse fun...
How severe is CVE-2017-5923?
CVE-2017-5923 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-2017-5923?
Check the references section above for vendor advisories and patch information. Affected products include: Virustotal Yara.