Vulnerability Details CVE-2017-5923
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.008
EPSS Ranking 72.9%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- http://www.securityfocus.com/bid/98080
- https://github.com/VirusTotal/yara/commit/ab906da53ff2a68c6fd6d1fa73f2b7c7bf0bc636
- https://github.com/VirusTotal/yara/issues/597
- http://www.securityfocus.com/bid/98080
- https://github.com/VirusTotal/yara/commit/ab906da53ff2a68c6fd6d1fa73f2b7c7bf0bc636
- https://github.com/VirusTotal/yara/issues/597
Products affected by CVE-2017-5923
-
cpe:2.3:a:virustotal:yara:3.5.0