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prionPRIOn knowledge basePRION:CVE-2018-19974
HistoryDec 17, 2018 - 7:29 p.m.

Design/Logic Flaw

2018-12-1719:29:00
PRIOn knowledge base
www.prio-n.com
4

5.2 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.9%

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).

CPENameOperatorVersion
yaraeq3.8.1

5.2 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

45.9%