About the security content of iOS 8.1.1

This document describes the security content of iOS 8.1.1.

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.

iOS 8.1.1

• CFNetwork

  Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later

  Impact: Website cache may not be fully cleared after leaving private browsing

  Description: A privacy issue existed where browsing data could remain in the cache after leaving private browsing. This issue was addressed through a change in caching behavior.

  CVE-ID

  CVE-2014-4460

• dyld

  Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later

  Impact: A local user may be able to execute unsigned code

  Description: A state management issue existed in the handling of Mach-O executable files with overlapping segments. This issue was addressed through improved validation of segment sizes.

  CVE-ID

  CVE-2014-4455 : @PanguTeam

• Kernel

  Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later

  Impact: A malicious application may be able to execute arbitrary code with system privileges

  Description: A validation issue existed in the handling of certain metadata fields of IOSharedDataQueue objects. This issue was addressed through relocation of the metadata.

  CVE-ID

  CVE-2014-4461 : @PanguTeam

• Lock Screen

  Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later

  Impact: An attacker in possession of a device may exceed the maximum number of failed passcode attempts

  Description: In some circumstances, the failed passcode attempt limit was not enforced. This issue was addressed through additional enforcement of this limit.

  CVE-ID

  CVE-2014-4451 : Stuart Ryan of University of Technology, Sydney

• Lock Screen

  Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later

  Impact: A person with physical access to the phone may be able to access photos in the Photo Library

  Description: The Leave a Message option in FaceTime may have allowed viewing and sending photos from the device. This issue was addressed through improved state management.

  CVE-ID

  CVE-2014-4463

• Sandbox Profiles

  Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later

  Impact: A malicious application may be able to launch arbitrary binaries on a trusted device

  Description: A permissions issue existed with the debugging functionality for iOS that allowed the spawning of applications on trusted devices that were not being debugged. This was addressed by changes to debugserver's sandbox.

  CVE-ID

  CVE-2014-4457 : @PanguTeam

• Spotlight

  Available for: iPhone 4s and later, iPod touch (5th generation) and later, iPad 2 and later

  Impact: Unnecessary information is included as part of the initial connection between Spotlight or Safari and the Spotlight Suggestions servers

  Description: The initial connection made by Spotlight or Safari to the Spotlight Suggestions servers included a user's approximate location before a user entered a query. This issue was addressed by removing this information from the initial connection and only sending the user's approximate location as part of queries.

  CVE-ID

  CVE-2014-4453 : Ashkan Soltani

• WebKit

  Available for: iPhone 4s and later, iPod touch (5th 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: Multiple memory corruption issues existed in WebKit. These issues were addressed through improved memory handling.

  CVE-ID

  CVE-2014-4452

  CVE-2014-4462

FaceTime is not available in all countries or regions.