CVE-2020-6071Uncontrolled Recursion in Libmicrodns

Severity
7.5HIGHNVD
EPSS
0.3%
top 45.44%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedMar 24
Latest updateJan 28

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

Debianvideolabs/libmicrodns< 0.2.0-1+1
Ubuntuvideolabs/libmicrodns< 0.0.8-1ubuntu0.1~esm1
Debianvideolan/vlc_media_player< 3.0.8-4+3

Also affects: Debian Linux 9.0

🔴Vulnerability Details

4
OSV
libmicrodns vulnerabilities2025-01-28
GHSA
GHSA-g97q-39hw-52p8: An exploitable denial-of-service vulnerability exists in the resource record-parsing functionality of Videolabs libmicrodns 02022-05-24
CVEList
CVE-2020-6071: An exploitable denial-of-service vulnerability exists in the resource record-parsing functionality of Videolabs libmicrodns 02020-03-24
OSV
CVE-2020-6071: An exploitable denial-of-service vulnerability exists in the resource record-parsing functionality of Videolabs libmicrodns 02020-03-24

📋Vendor Advisories

2
Ubuntu
libmicrodns vulnerabilities2025-01-28
Debian
CVE-2020-6071: libmicrodns - An exploitable denial-of-service vulnerability exists in the resource record-par...2020
CVE-2020-6071 — Uncontrolled Recursion in Libmicrodns | cvebase