Integer overflow in Windows and Windows Server - CVE-2021-41345

 

Integer overflow in Windows and Windows Server - CVE-2021-41345

Published: October 12, 2021 / Updated: October 14, 2021


Vulnerability identifier: #VU57259
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2021-41345
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

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

The vulnerability exists due to integer overflow within the Storage Spaces Controller storport.sys driver. A local user can run a specially crafted program to trigger integer overflow and execute arbitrary code with SYSTEM privileges.

How to mitigate CVE-2021-41345

Install updates from vendor's website.

Sources