You would only have to launch the app once, and the hacker has access to your Safari’s history, last GPS position recorded , keyboard’s cache, email inbox, everything.
black hat conference
Posted inHOWTO
Charlie Miller Explains The Vulnerability of the iPhone And The Possibility of Being Hacked via SMS
Just as we had anticipated, Charlie Miller and Collin Mulliner, during the Black Hat Conference, spoke about the iPhone vulnerability, which can be easily hack through the SMS application.