Vulnerabilities > CVE-2019-5020 - Reachable Assertion vulnerability in Virustotal Yara 3.8.1

047910
CVSS 5.5 - MEDIUM
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
HIGH
local
low complexity
virustotal
CWE-617

Summary

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.

Vulnerable Configurations

Part Description Count
Application
Virustotal
1

Common Weakness Enumeration (CWE)

Talos

idTALOS-2019-0781
last seen2019-12-16
published2019-07-30
reporterTalos Intelligence
sourcehttp://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0781
titleYara Object Lookup Denial of Service Vulnerability