Input validation error in Windows and Windows Server - CVE-2022-34721

 

Input validation error in Windows and Windows Server - CVE-2022-34721

Published: September 13, 2022 / Updated: November 29, 2022


Vulnerability identifier: #VU67237
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-2022-34721
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to insufficient validation of user-supplied input when handling IKEv1 packets. A remote attacker can send specially crafted IKEv1 packets to the affected system and execute arbitrary code.


How to mitigate CVE-2022-34721

Install updates from vendor's website.

Sources