CVE-2022-30190 PoC — Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Vulnerability

Source

https://github.com/drgreenthumb93/CVE-2022-30190-follina

Associated Vulnerability

Title:Microsoft Windows Support Diagnostic Tool (MSDT) Remote Code Execution Vulnerability (CVE-2022-30190)
Description: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 user’s rights. Please see the MSRC Blog Entry for important information about steps you can take to protect your system from this vulnerability.

Description

Just another PoC for the new MSDT-Exploit

Readme

# CVE-2022-30190-follina
Just another PoC for the new MSDT-Exploit


To edit the Doc, just open with 7z, xarchiver, ... to change the value in word\rels\document.xml.rels to your IP.

The exploit must contain at least 3541 characters <b>before</b> the window.location.href, and they must be within the script tag. Now there are about 9000, just to be sure.


More about the exploit:

https://www.borncity.com/blog/2022/06/01/follina-schwachstelle-cve-2022-30190-warnungen-erste-angriffe-der-status/ (german)
<br>
https://packetstormsecurity.com/files/167317/msdt-poc.txt

Mitigation and workaround:

https://msrc-blog.microsoft.com/2022/05/30/guidance-for-cve-2022-30190-microsoft-support-diagnostic-tool-vulnerability/


Windows Defender already knows that this is a security flaw (Trojan:Win32/Mesdetty.D), so you have to edit the file, in case you get busted.

REMEMBER: ONLY FOR EDUCATIONAL PURPOSES!!! ;)

## To-Do:

- Obfuscation
- Invoke PS Script

File Snapshot


 [4.0K]  /data/pocs/ad89f41d8f8d35163b92194fe7c6a1c6432f4872
├── [8.1K]  bad.html
├── [9.9K]  click_to_exploit.docx
├── [1.2K]  exploit_oneline.md
└── [ 955]  README.md

0 directories, 4 files

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