Buffer overflow in Windows and Windows Server - CVE-2022-21922

 

Buffer overflow in Windows and Windows Server - CVE-2022-21922

Published: January 11, 2022


Vulnerability identifier: #VU59501
CSH Severity: Medium
CVSS v4.0: 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-2022-21922
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

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

The vulnerability exists due to a boundary error in Microsoft Windows RPC service. A remote authenticated  user can send specially crafted data through the RPC runtime, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2022-21922

Install updates from vendor's website.

Sources