CVE-2017-9438 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...
HighCVSS 7.5
EPSS 2.5%
- Published
- Updated
- Exploit status
- No public exploit known
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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/yara(Debian:12) | < 3.6.1+dfsg-1 | 3.6.1+dfsg-1 |
| debian/yara(Debian:13) | < 3.6.1+dfsg-1 | 3.6.1+dfsg-1 |
| debian/yara(Debian:14) | < 3.6.1+dfsg-1 | 3.6.1+dfsg-1 |
| virustotal yara | = 3.5.0 | No fix listed |
References
- Debian Security Tracker CVE-2017-9438 vendor-advisory
- github.com patch
- github.com issue-tracking patch
- FEDORA-2021-dd62918333 vendor-advisory
- FEDORA-2021-f41d5fc954 vendor-advisory
- bugs.debian.org issue-tracking