CVE-2020-6072

Critical

Description

An exploitable code execution vulnerability exists in the label-parsing functionality of Videolabs libmicrodns 0.1.0. When parsing compressed labels in mDNS messages, the rr_decode function's return value is not checked, leading to a double free that could be exploited to execute arbitrary code. An attacker can send an mDNS message to trigger this vulnerability.

SeverityCritical

CVSS9.8

Exploit probability—

Product

Videolabs Libmicrodns

PublishedMar 24, 2020

First seenMar 24, 2020

How to fix

Vendor advisories

debian.org/security/2020/dsa-4671
security.gentoo.org/glsa/202005-10

Affected products

Product	Affected versions	Fixed in
videolabs libmicrodns	0.1.0	—
debian debian_linux	9.0	—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.