Buffer overflow in Microsoft Windows and Windows Server - CVE-2022-21882

 

Buffer overflow in Microsoft Windows and Windows Server - CVE-2022-21882

Published: January 11, 2022 / Updated: October 17, 2022


Vulnerability identifier: #VU59413
CSH Severity: High
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-21882
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: The vulnerability is being exploited in the wild

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the Win32k.sys driver. A local user can run a specially crafted program to trigger a buffer overflow and execute arbitrary code on the system with elevated privileges.

Note, the vulnerability is being actively exploited in the wild.


Affected software

Microsoft Windows
Windows Server
Solutions Enabler Virtual Appliance
Solutions Enabler
Unisphere 360
Unisphere for PowerMax Virtual Appliance
Unisphere for PowerMax
VASA Provider Standalone

How to mitigate CVE-2022-21882

Install updates from vendor's website.

Solutions Enabler Virtual Appliance - addressed in versions 9.1.0.19, 9.2.3.1
Solutions Enabler - addressed in versions 9.1.0.19, 9.2.3.1
Unisphere 360 - addressed in versions 9.1.0.30, 9.2.3.4
Unisphere for PowerMax Virtual Appliance - addressed in versions 9.1.0.32, 9.2.3.11
Unisphere for PowerMax - addressed in versions 9.1.0.32, 9.2.3.11
VASA Provider Standalone - addressed in versions 9.1.0.724, 9.2.3.10

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins