Improper Input Validation Affecting yara package, versions <3.9.0-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.05% (25th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-YARA-456587
  • published4 Aug 2019
  • disclosed31 Jul 2019

Introduced: 31 Jul 2019

CVE-2019-5020  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Debian:unstable yara to version 3.9.0-1 or higher.

NVD Description

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

An exploitable denial of service vulnerability exists in the object lookup functionality of Yara 3.8.1. A specially crafted binary file can cause a negative value to be read to satisfy an assert, resulting in Denial of Service. An attacker can create a malicious binary to trigger this vulnerability.

CVSS Scores

version 3.1