CVE-2018-19974
First published: Mon Dec 17 2018(Updated: )
In YARA 3.8.1, bytecode in a specially crafted compiled rule can read uninitialized data from VM scratch memory in libyara/exec.c. This can allow attackers to discover addresses in the real stack (not the YARA virtual stack).
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| VirusTotal yara | =3.8.1 |
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Reference Links
- https://bnbdr.github.io/posts/extracheese/
- https://github.com/VirusTotal/yara/issues/999
- https://github.com/bnbdr/swisscheese/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DFFXDAMP6GJ337LIOTVF5I4T6QGMN3ZR/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DFFXDAMP6GJ337LIOTVF5I4T6QGMN3ZR/
- collector/nvd-index
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/weakness
- agent/severity
- agent/last-modified-date
- agent/references
- agent/softwarecombine
- agent/event
- agent/first-publish-date
- agent/tags
- agent/description
- vendor/virustotal
- canonical/virustotal yara
- version/virustotal yara/3.8.1