#VU26338 Unchecked Return Value in libmicrodns - CVE-2020-6078

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Main Vulnerability Database Vulnerabilities #VU26338

#VU26338 Unchecked Return Value in libmicrodns - CVE-2020-6078

Published: March 24, 2020


Vulnerability identifier: #VU26338
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-2020-6078
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 perform a denial of service (DoS) attack.

The vulnerability exists within the message-parsing functionality due to the "mdns_read_header" function is not checked when parsing mDNS messages in "mdns_recv". 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.

External links