Posted by naphthalin via Fulldisclosure on Sep 10“I know where your children go to school.” The web front end of the IServ school server from IServ GmbH allows user enumeration. Responses during failed login attempts differ, depending on if the user account exists, does not exist and other conditions. While this does not pose a security risk in many applications, it has to be considered extremely problematic in software designed for schools. Due to the widespread use of IServ in...