vBulletin(R) 3.8.6 faq.php Information Disclosure Vulnerability

Saturday, August 6, 2011
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   1  Iranian Datacoders Security Team 2010

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#
 Original Advisory: 
http://forum.intern0t.net/exploits-vulnerabilities-pocs/2857-vbulletin-3-8-6-critical-information-disclosure.html

# Reference: http://www.securityfocus.com/archive/1/512575/30/0/threaded

# Exploit Title: vBulletin 3.8.6 faq.php Vulnerability                   

# Date: 24/07/2010                             

# Author: H-SK33PY                      

# Software Link: http://www.vbulletin.com/

# Version: 3.8.6

# Google dork : powered by vBulletin 3.8.6

# Platform / Tested on: linux

# Category: webapplications

# Code : N/A

#BUG:#########################################################################

Is
 perhaps one or the other known, but I find that really interesting that
 a great and mighty forum software like vBulletin can undermine the 
mistake that the MySQL password for any person to be visible.

The issue has been published this afternoon and vBulletin responded with a patch on it.

The faq.php was only indirectly affected, and serves more as an "issue" because an error was partly responsible for the phrases.

Where are the gaps?

Let's look at the /install/vbulletin-language.xml file and search for "database_ingo" - what we find? Ah interesting:

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

config['Database']['dbname']}

Database Host: {$vbulletin->config['MasterServer']['servername']}

Database Port: {$vbulletin->config['MasterServer']['port']}

Database Username: {$vbulletin->config['MasterServer']['username']}

Database Password: {$vbulletin->config['MasterServer']['password']}]]>

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

How do I use this from now?

We
 look for a forum, which is affected by this vulnerability, click above 
on "Help" / "FAQ", enter in "search terms" or "Search Word (s):" then 
"Database"

(or database) and a then see, aha, first hit:

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

Datenbank-Name: XXXXXXXXX

Datenbank-Server: localhost

Datenbank-Port: 3306

Datenbank-Benutzername: root

Datenbank-Kennwort: my4moo

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

Respectively English beeen at a board:

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

Database Name: pro_aXXXXXXXXXg_com

Database Host: localhost

Database Port: 3306

Database Username: pro_aXXXXXXXXXg

Database Password: gitl0st

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

On what to do with it, I think I need not dwell on it.

How do I protect myself?

As already posted a patch from the official vBulletin site, or by a MySQL query:

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

DELETE FROM `vb_phrase` WHERE `varname`='database_ingo' 

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

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

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

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

Our Website : http://www.datacoders.ir

Special Thanks to : ccC0d3rZzz &  all iranian datacoders members

#############################################################################
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vBulletin(R) 3.8.6 faq.php Information Disclosure Vulnerability

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