Code Injection in Windows and Windows Server - CVE-2022-21984
Published: February 8, 2022 / Updated: February 10, 2022
Vulnerability identifier: #VU60373
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-21984
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Windows
Windows Server
Windows
Windows Server
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation in Windows DNS Server when processing dynamic updates. A remote authenticated user can send a specially crafted DNS request and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system but requires to have dynamic updates enabled on the DNS server.
Remediation
Install updates from vendor's website.