CVE-2018-19975 In YARA 3.8.1, bytecode in a specially crafted compiled rule can read data from any arbitrary address in memory, in libyara/exec.c. Specifically, OP_COUNT can read a DWORD.
MediumCVSS 5.5
EPSS 1.4%
- Published
- Updated
- Exploit status
- No public exploit known
Description
In YARA 3.8.1, bytecode in a specially crafted compiled rule can read data from any arbitrary address in memory, in libyara/exec.c. Specifically, OP_COUNT can read a DWORD.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/yara(Debian:12) | < 3.8.1-2 | 3.8.1-2 |
| debian/yara(Debian:13) | < 3.8.1-2 | 3.8.1-2 |
| debian/yara(Debian:14) | < 3.8.1-2 | 3.8.1-2 |
| virustotal yara | = 3.8.1 | No fix listed |
References
- Debian Security Tracker CVE-2018-19975 vendor-advisory
- bnbdr.github.io exploit third-party-advisory
- github.com exploit issue-tracking third-party-advisory
- github.com exploit third-party-advisory
- FEDORA-2019-a00b4760a0 vendor-advisory
- bugs.debian.org issue-tracking