bugtraq - Redirection vulnerability in MBoard

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Date: Wed, 27 Jul 2011 13:20:45 +0200 (CEST)
From: advisory@...ridge.ch
To: bugtraq@...urityfocus.com
Subject: Redirection vulnerability in MBoard

Vulnerability ID: HTB23029
Reference: http://www.htbridge.ch/advisory/redirection_vulnerability_in_mboard.html
Product: MBoard
Vendor: PHPJunkyar ( http://www.phpjunkyard.com ) 
Vulnerable Version: 1.3 and probably prior
Tested on: 1.3
Vendor Notification: 06 July 2011 
Vulnerability Type: Redirection vulnerability
Status: Not Fixed
Risk level: Low 
Credit: High-Tech Bridge SA Security Research Lab ( http://www.htbridge.ch/advisory/ ) 

Vulnerability Details:
High-Tech Bridge SA Security Research Lab has discovered vulnerability in MBoard, which can be exploited to conduct spoofing attacks.

Input passed via the GET "url" parameter to go.php is not properly sanitised before being used to redirect users.
This can be exploited to redirect a user to an arbitrary website.

The following PoC code is available:

http://[host]/go.php?url=http://example.com