Integer underflow in Windows and Windows Server - CVE-2023-21802

 

Integer underflow in Windows and Windows Server - CVE-2023-21802

Published: February 15, 2023 / Updated: February 25, 2023


Vulnerability identifier: #VU72228
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2023-21802
CWE-ID: CWE-191
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Windows
Windows Server
Software vendor:
Microsoft

Description

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

The vulnerability exists due to integer underflow when processing color conversion in Windows Media. A remote attacker can create a specially crafted media file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

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


Remediation

Install updates from vendor's website.

External links