Out-of-bounds read in libmicrodns - CVE-2020-6077
Published: March 24, 2020
Vulnerability identifier: #VU26337
CSH Severity: Medium
CVSS v4.0: 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-2020-6077
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Videolabs
Affected software:
libmicrodns
libmicrodns
Detailed vulnerability description
The vulnerability allows a remote attacker to perform a denial of service (DoS).
The vulnerability exists within the message-parsing functionality due to a boundary condition when parsing mDNS messages. A remote attacker can send a specially crafted mDNS message, trigger out-of-bounds read error and cause a denial of service condition on the target system.
How to mitigate CVE-2020-6077
Install updates from vendor's website.