Apple Security Advisory 2013-05-16-1 – iTunes 11.0.3 is now available and addresses multiple vulnerabilities. In versions prior to 11.0.3, an attacker in a privileged network position may manipulate HTTPS server certificates, leading to the disclosure of sensitive information and a man-in-the-middle attack is possible while browsing the iTunes Store via iTunes and may lead to an unexpected application termination or arbitrary code execution.