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).
Advisories
Source ID Title
EUVD EUVD EUVD-2018-11641 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).
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T11:51:17.913Z

Reserved: 2018-12-08T00:00:00

Link: CVE-2018-19974

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-12-17T19:29:01.080

Modified: 2024-11-21T03:58:55.210

Link: CVE-2018-19974

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.