About the security content of iOS 6.0.1 Software Update

This document describes the security content of iOS 6.0.1 Software Update, which can be downloaded and installed using iTunes.

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.

iOS 6.0.1

• Kernel

  Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later

  Impact: Maliciously crafted or compromised iOS 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 an 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

• Passcode Lock

  Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later

  Impact: A person with physical access to the device may be able to access Passbook passes without entering a passcode

  Description: A state management issue existed in the handling of Passbook passes at the lock screen. This issue was addressed through improved handling of Passbook passes.

  CVE-ID

  CVE-2012-3750 : Anton Tsviatkou

• WebKit

  Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later

  Impact: Visiting a maliciously crafted website may lead to 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

• WebKit

  Available for: iPhone 3GS and later, iPod touch (4th generation) and later, iPad 2 and later

  Impact: Visiting a maliciously crafted website may lead to an unexpected application termination or arbitrary code execution

  Description: A use after free issue existed in the handling of SVG images. This issue was addressed through improved memory handling.

  CVE-ID

  CVE-2012-5112 : Pinkie Pie working with Google's Pwnium 2 contest