CVE-2020-6072
CRITICALlibmicrodns 0.1.0 - Remote Code Execution via mDNS Label Parsing
Title source: llmDescription
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.
References (3)
Core 3
Core References
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2020/dsa-4671
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/202005-10
Exploit, Technical Description, Third Party Advisory x_refsource_misc
https://talosintelligence.com/vulnerability_reports/TALOS-2020-0995
Scores
CVSS v3
9.8
EPSS
0.0361
EPSS Percentile
88.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-415
Status
published
Products (2)
debian/debian_linux
9.0
videolabs/libmicrodns
0.1.0
Published
Mar 24, 2020
Tracked Since
Feb 18, 2026