#VU26340 Resource exhaustion in libmicrodns - CVE-2020-6079

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Main Vulnerability Database Vulnerabilities #VU26340

#VU26340 Resource exhaustion in libmicrodns - CVE-2020-6079

Published: March 24, 2020


Vulnerability identifier: #VU26340
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-6079
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
libmicrodns
Software vendor:
Videolabs

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to encountering errors while parsing mDNS messages in the "rr_decode" function in the resource allocation handling. A remote attacker can send mDNS messages, trigger resource exhaustion and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links