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CVE-2020-6072 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://security.gentoo.org/glsa/202005-10	CVE	Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-0995	CVE	ExploitTechnical DescriptionThird Party Advisory
https://www.debian.org/security/2020/dsa-4671	CVE	Third Party Advisory
https://security.gentoo.org/glsa/202005-10	[email protected]	Third Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2020-0995	[email protected]	ExploitTechnical DescriptionThird Party Advisory
https://www.debian.org/security/2020/dsa-4671	[email protected]	Third Party Advisory

see all 6 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-415	Double Free	[email protected]

Affected Products

Product	Versions
videolabs libmicrodns	0.1.0
CPE cpe:2.3:a:videolabs:libmicrodns:0.1.0:::::::* Remediation No remediation found in references.
debian debian linux	9.0
CPE cpe:2.3:o:debian:debian_linux:9.0:::::::* Remediation No remediation found in references.

Change History

8 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jun 3, 2022	Modified Analysis	[email protected]
Apr 19, 2022	CVE Modified	[email protected]
May 15, 2020	CVE Modified	[email protected]
May 1, 2020	CVE Modified	[email protected]
Mar 26, 2020	Initial Analysis	[email protected]