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).
References
Link | Resource |
---|---|
https://bnbdr.github.io/posts/extracheese/ | Exploit Third Party Advisory |
https://github.com/VirusTotal/yara/issues/999 | Issue Tracking Exploit Third Party Advisory |
https://github.com/bnbdr/swisscheese/ | Exploit Third Party Advisory |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DFFXDAMP6GJ337LIOTVF5I4T6QGMN3ZR/ |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: mitre
Published: 2018-12-17T18:00:00
Updated: 2019-10-06T02:06:02
Reserved: 2018-12-08T00:00:00
Link: CVE-2018-19974
JSON object: View
NVD Information
Status : Modified
Published: 2018-12-17T19:29:01.080
Modified: 2023-11-07T02:55:46.680
Link: CVE-2018-19974
JSON object: View
Redhat Information
No data.
CWE