Remote code execution in Microsoft Windows Support Diagnostic Tool (MSDT)



Published: 2022-08-09
Risk Critical
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-34713
CWE-ID CWE-119
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software
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Windows
Operating systems & Components / Operating system

Windows Server
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains one critical risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU66229

Risk: Critical

CVSSv3.1:

CVE-ID: CVE-2022-34713

CWE-ID: CWE-119 - Memory corruption

Exploit availability: Yes

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 7 - 11 21H2

Windows Server: 2012 - 2022 20H2


CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-34713

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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