Out-of-bounds Read Affecting yara package, versions *


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.57% (79th percentile)

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  • Snyk IDSNYK-UBUNTU1604-YARA-296573
  • published3 Apr 2017
  • disclosed3 Apr 2017

Introduced: 3 Apr 2017

CVE-2017-5923  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:16.04 yara.

NVD Description

Note: Versions mentioned in the description apply only to the upstream yara package and not the yara package as distributed by Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

libyara/grammar.y in YARA 3.5.0 allows remote attackers to cause a denial of service (heap-based out-of-bounds read and application crash) via a crafted rule that is mishandled in the yara_yyparse function.