About the security content of Apple TV 5.1.1

This document describes the security content of Apple TV 5.1.1.

For the protection of our customers, Apple does not disclose, discuss, or confirm security issues until a full investigation has occurred and any necessary patches or releases are available. To learn more about Apple Product Security, see the Apple Product Security website.

For information about the Apple Product Security PGP Key, see How to use the Apple Product Security PGP Key.

Where possible, CVE IDs are used to reference the vulnerabilities for further information.

To learn about other Security Updates, see Apple Security Updates.

Apple TV 5.1.1

• Apple TV

  Available for: Apple TV 2nd generation and later

  Impact: Compromised applications may be able to determine addresses in the kernel

  Description: An information disclosure issue existed in the handling of APIs related to kernel extensions. Responses containing a OSBundleMachOHeaders key may have included kernel addresses, which may aid in bypassing address space layout randomization protection. This issue was addressed by unsliding the addresses before returning them.

  CVE-ID

  CVE-2012-3749 : Mark Dowd of Azimuth Security, Eric Monti of Square, and additional anonymous researchers

• Apple TV

  Available for: Apple TV 2nd generation and later

  Impact: An attacker with a privileged network position may cause an unexpected application termination or arbitrary code execution

  Description: A time of check to time of use issue existed in the handling of JavaScript arrays. This issue was addressed through additional validation of JavaScript arrays.

  CVE-ID

  CVE-2012-3748 : Joost Pol and Daan Keuper of Certified Secure working with HP TippingPoint's Zero Day Initiative