Use of Uninitialized Resource
CVE-2018-19974
Summary
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).
- LOW
- LOCAL
- NONE
- UNCHANGED
- REQUIRED
- NONE
- HIGH
- NONE
CWE-908 - Use of Uninitialized Resource
The software uses or accesses a resource that has not been initialized.
References
Advisory Timeline
- Published