Buffer overflow in Windows Server - CVE-2020-1350
Published: July 14, 2020 / Updated: October 8, 2022
Vulnerability identifier: #VU29761
CSH Severity: Critical
CVSS v4.0: 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:A/U:Red
CVE-ID: CVE-2020-1350
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Microsoft
Affected software:
Windows Server
Windows Server
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing DNS requests. A remote non-authenticated attacker can send a specially crafted DNS request to the affected DNS server, trigger memory corruption and execute arbitrary code on the target system with privileges of the Local System Account.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2020-1350
Install updates from vendor's website.