#VU26336 Unchecked Return Value in libmicrodns - CVE-2020-6072

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Main Vulnerability Database Vulnerabilities #VU26336

#VU26336 Unchecked Return Value in libmicrodns - CVE-2020-6072

Published: March 24, 2020


Vulnerability identifier: #VU26336
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-6072
CWE-ID: CWE-252
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
libmicrodns
Software vendor:
Videolabs

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists within the label-parsing functionality due to the "rr_decode" function's return value is not checked when parsing compressed labels in mDNS messages. A remote attacker can send a specially crafted mDNS message and execute arbitrary code on the target system.


Remediation

Install updates from vendor's website.

External links