#VU26342 Uncontrolled Recursion in libmicrodns - CVE-2020-6071
Published: March 24, 2020
Vulnerability identifier: #VU26342
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-2020-6071
CWE-ID: CWE-674
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
libmicrodns
libmicrodns
Software vendor:
Videolabs
Videolabs
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the compression pointer is followed without checking for recursion in the resource record-parsing functionality when parsing compressed labels in mDNS messages. A remote attacker can send a specially crafted mDNS message and cause a denial of service condition on the target system.
Remediation
Install updates from vendor's website.