Main Vulnerability Database Vulnerabilities #VU60373

Code Injection in Microsoft Windows and Windows Server - CVE-2022-21984

Published: February 8, 2022 / Updated: February 10, 2022

Vulnerability identifier: #VU60373

CSH Severity: Medium

CVSS v4: 8.7 [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]

CVE-ID: CVE-2022-21984

CWE-ID: CWE-94

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

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.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2022-21984

Install updates from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21984

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