Vulnerability in Videolabs Libmicrodns

CVE-2020-6071

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.

EPSS: 0.024 (82.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-6071?
CVE-2020-6071 is a high-severity vulnerability in Videolabs Libmicrodns, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2020-03-24.
How severe is CVE-2020-6071?
High severity. CVSS v3 base score is 7.5 out of 10.