Zero-day vulnerability in Windows

Buffer overflow
CVE-2022-34713

Vulnerability details

Advisory: SB2022080926 - Remote code execution in Microsoft Windows Support Diagnostic Tool (MSDT)

Vulnerable component: Windows

CVE-ID: CVE-2022-34713

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Description:

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

The vulnerability exists due to a boundary error in Windows Support Diagnostic Tool (MSDT) when processing files. A remote attacker can create a specially crafted 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.

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

External links:

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2022-34713