CVEvulnerability

CVE-2019-5020

5.5 MEDIUM Published 2019-07-31 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-07-31
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 3.0 ([email protected])
6.5 MEDIUM — CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
Weaknesses
CWE-617, CWE-754

Description

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.

Affected configurations

• virustotal yara 3.8.1

Related

Weakness · CWE (2)

  • CWE-617 Reachable Assertion weakness
  • CWE-754 Improper Check for Unusual or Exceptional Conditions weakness

References