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 fun...
HighCVSS 7.5
EPSS 1.6%
- Published
- Updated
- Exploit status
- No public exploit known
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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/yara(Debian:12) | < 3.5.0+dfsg-9 | 3.5.0+dfsg-9 |
| debian/yara(Debian:13) | < 3.5.0+dfsg-9 | 3.5.0+dfsg-9 |
| debian/yara(Debian:14) | < 3.5.0+dfsg-9 | 3.5.0+dfsg-9 |
| virustotal yara | = 3.5.0 | No fix listed |
References
- Debian Security Tracker CVE-2017-5923 vendor-advisory
- 98080 vdb-entry
- github.com patch vendor-advisory
- github.com exploit issue-tracking patch
- bugs.debian.org issue-tracking