DZCP (deV!L_z Clanportal) 1.5.4 - Local File Inclusion

Vulnerability ID: HTB22656
Reference: http://www.htbridge.ch/advisory/lfi_in_dzcp.html
Product: DZCP 
Vendor: dzcp.de  ( http://www.dzcp.de ) 
Vulnerable Version: 1.5.4 
Vendor Notification: 13 October 2010 
Vulnerability Type: Local File Inclusion
Status: Fixed by Vendor
Risk level: High 
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/) 

Vulnerability Details:
The vulnerability exists due to failure in the "/index.php" script to properly sanitize user-supplied input in [prefix]_language variable from cookie.

The following PoC is available:


Cookie: [prefix]_language=../../../1;

File must exist. 
Solution: Upgrade to the most recent version