QID 45538

Date Published: 2022-06-15

QID 45538: Microsoft Support Diagnostic Tool (MSDT) URL Protocol Vulnerability Disabled (Follina Mitigation Applied)

A remote code execution vulnerability exists when MSDT is called using the URL protocol from a calling application such as Word. An attacker who successfully exploits this vulnerability can run arbitrary code with the privileges of the calling application. The attacker can then install programs, view, change, or delete data, or create new accounts in the context allowed by the users rights.

Disabling MSDT URL protocol prevents troubleshooters being launched as links including links throughout the operating system.
To disable this MSDT URL Protocol, Microsoft suggests users to delete the registry key "HKEY_CLASSES_ROOT\ms-msdt"

QID Detection Logic (Authenticated):
This QID checks for the file "windir\system32\msdt.exe" existence, and also check for the registry key "HKCR\ms-msdt" is missing.

N/A

Solution

N/A

Vendor References

MSDT URL Protocol - msrc-blog.microsoft.com/2022/05/30/guidance-for-cve-2022-30190-microsoft-support-diagnostic-tool-vulnerability/

CVEs related to QID 45538

Software Advisories

Advisory ID	Software	Component	Link

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