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.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.0 Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade yara | Jul 30, 2024 | Dec 17, 2018 |
| Ubuntu | — | Upgrade python3-yara (Ubuntu Pro)Upgrade libyara3 (Ubuntu Pro)Upgrade python-yara (Ubuntu Pro)Upgrade yara (Ubuntu Pro) | Mar 10, 2026 | Dec 17, 2018 |
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