VULNERABILITY INTELLIGENCE
CVE-2020-6071
CVSS score7.5 HIGH
EPSS probability2.50%
CISA KEVNot currently listed
Published2020-03-24
Last modified2026-10-08
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
An exploitable denial-of-service vulnerability exists in the resource record-parsing functionality of Videolabs libmicrodns 0.1.0. When parsing compressed labels in mDNS messages, the compression pointer is followed without checking for recursion, leading to a denial of service. An attacker can send an mDNS message to trigger this vulnerability.
Weakness classification
- CWE-674: Uncontrolled Recursion
Primary references
- talos-cna@cisco.com — Third Party Advisory
- talos-cna@cisco.com — Exploit, Technical Description, Third Party Advisory
- talos-cna@cisco.com — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Technical Description, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory