<!DOCTYPE HTML PUBLIC ‘-//W3C//DTD HTML 4.01 Transitional//EN’><html><head><meta http-equiv=’Content-Type’ content=’text/html; charset=windows-1251′><title>vBulletin 3.8.4 &amp; 3.8.5 Registration Bypass Vulnerability</title><link rel=’shortcut icon’ href=’/favicon.ico’ type=’image/x-icon’><link rel=’alternate’ type=’application/rss+xml’ title=’Inj3ct0r RSS’ href=’/rss’></head><body><pre>=========================================================
vBulletin 3.8.4 &amp; 3.8.5 Registration Bypass Vulnerability
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1 Iranian Datacoders Security Team 2010 1
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# Exploit Title: vBulletin 3.8.4 &amp; 3.8.5 Around Registration Vulnerability
# Date: 29/08/2010
# Author: Immortal Boy
# Software Link: http://www.vbulletin.org
# Version: 3.8.4 &amp; 3.8.5
# Google dork 1 : powered by vBulletin 3.8.4
# Google dork 2 : powered by vBulletin 3.8.5
# Platform / Tested on: Multiple
# Category: webapplications
# Code : N/A

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

1 &gt; Go to Http://[localhost]/path/register.php

2 &gt; Assume that forum admin user name is ADMIN

3 &gt; Type this at User Name ===&gt; ADMIN&amp;#00

4 &gt; &amp;#00 is an ASCII Code

5 &gt; And complete the other parameters

6 &gt; Then click on Complete Registrarion

7 &gt; Now you see that your user name like admin user name

After this time the private messages to the user (ADMIN) to sending see for you is sending .

# Patch : #######################################################################

1 &gt; Go to AdminCP

2 &gt; Click on vBulletin Options and choose vBulletin Options

3 &gt; Choose Censorship Options

4 &gt; type &amp;# in Censored Words section

5 &gt; Then click on Save

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

Special Thanks to : H-SK33PY , NEO , Sp|R|T , BigB4NG , 3r1ck , Dr.mute ,

hosinn , NIK , uones , mohammad_ir &amp; all iranian datacoders members

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# <a href=’http://inj3ct0r.com/’>Inj3ct0r.com</a> [2010-08-29]</pre><script type=’text/javascript’>var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");document.write(unescape("%3Cscript src=’" + gaJsHost + "google-analytics.com/ga.js’ type=’text/javascript’%3E%3C/script%3E"));</script><script type=’text/javascript’>try{var pageTracker = _gat._getTracker("UA-12725838-1");pageTracker._setDomainName("none");pageTracker._setAllowLinker(true);pageTracker._trackPageview();}catch(err){}</script></body></html>
Source: http://inj3ct0r.com/exploits/13911