CVE & CISA-KEV Catalog

CVE-2019-5020

MEDIUM
5.5
CVSS v3
NVD

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.

How to fix

Remediation Available
yaraDebian
Fixed in:3.9.0-1CVE-2019-5020
Fixed in:3.9.0-1CVE-2019-5020
Fixed in:3.9.0-1CVE-2019-5020
Fixed in:3.9.0-1CVE-2019-5020

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploit Intelligence

1.08%probability of exploitation in 30 days
61stpercentile

Moderate risk: more likely to be exploited than 61% of all known CVEs.

References

Related Vulnerabilities

Other CWE-617 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2020-8617High7.593%-Fix
CVE-2020-36222High7.578%-Fix
CVE-2006-5779High7.575%-Fix
CVE-2021-27212High7.564%-Fix
CVE-2018-5740High7.559%-Fix
CVE-2023-28425Medium5.555%-Fix
Embed a live status badge for CVE-2019-5020
CVE-2019-5020 severity badge

Markdown

[![CVE-2019-5020](https://tridentstack.com/cve/badge/CVE-2019-5020.svg)](https://tridentstack.com/cve/CVE-2019-5020)

HTML

<a href="https://tridentstack.com/cve/CVE-2019-5020"><img src="https://tridentstack.com/cve/badge/CVE-2019-5020.svg" alt="CVE-2019-5020"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.