About the security content of watchOS 2.2.1 - Apple Support

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.

watchOS 2.2.1

• CommonCrypto

Available for: Apple Watch Sport, Apple Watch, Apple Watch Edition, and Apple Watch Hermes

Impact: A malicious application may be able to leak sensitive user information

Description: An issue existed in the handling of return values in CCCrypt. This issue was addressed through improved key length management.

CVE-ID

CVE-2016-1802 : Klaus Rodewig

• CoreCapture

Available for: Apple Watch Sport, Apple Watch, Apple Watch Edition, and Apple Watch Hermes

Impact: An application may be able to execute arbitrary code with kernel privileges

Description: A null pointer dereference was addressed through improved validation.

CVE-ID

CVE-2016-1803 : Ian Beer of Google Project Zero, daybreaker working with Trend Micro’s Zero Day Initiative

• Disk Images

Available for: Apple Watch Sport, Apple Watch, Apple Watch Edition, and Apple Watch Hermes

Impact: A local attacker may be able to read kernel memory

Description: A race condition was addressed through improved locking.

CVE-ID

CVE-2016-1807 : Ian Beer of Google Project Zero

• Disk Images

Available for: Apple Watch Sport, Apple Watch, Apple Watch Edition, and Apple Watch Hermes

Impact: An application may be able to execute arbitrary code with kernel privileges

Description: A memory corruption issue existed in the parsing of disk images. This issue was addressed through improved memory handling.

CVE-ID

CVE-2016-1808 : Moony Li (@Flyic) and Jack Tang (@jacktang310) of Trend Micro

• ImageIO

Available for: Apple Watch Sport, Apple Watch, Apple Watch Edition, and Apple Watch Hermes

Impact: Processing a maliciously crafted image may lead to a denial of service

Description: A null pointer dereference was addressed through improved validation.

CVE-ID

CVE-2016-1811 : Lander Brandt (@landaire)

• IOAcceleratorFamily

Available for: Apple Watch Sport, Apple Watch, Apple Watch Edition, and Apple Watch Hermes

Impact: An application may be able to execute arbitrary code with kernel privileges

Description: A memory corruption issue was addressed through improved memory handling.

CVE-ID

CVE-2016-1817 : Moony Li (@Flyic) and Jack Tang (@jacktang310) of Trend Micro working with Trend Micro’s Zero Day Initiative

CVE-2016-1818: Juwei Lin of TrendMicro, sweetchip@GRAYHASH working with Trend Micro’s Zero Day Initiative

Entry updated December 13, 2016

• IOAcceleratorFamily

Available for: Apple Watch Sport, Apple Watch, Apple Watch Edition, and Apple Watch Hermes

Impact: An application may be able to execute arbitrary code with kernel privileges

Description: A memory corruption vulnerability was addressed through improved locking.

CVE-ID

CVE-2016-1819 : Ian Beer of Google Project Zero

• IOAcceleratorFamily

Available for: Apple Watch Sport, Apple Watch, Apple Watch Edition, and Apple Watch Hermes

Impact: An application may be able to execute arbitrary code with kernel privileges

Description: A null pointer dereference was addressed through improved validation.

CVE-ID

CVE-2016-1813 : Ian Beer of Google Project Zero

• IOHIDFamily

Available for: Apple Watch Sport, Apple Watch, Apple Watch Edition, and Apple Watch Hermes

Impact: An application may be able to execute arbitrary code with kernel privileges

Description: A memory corruption issue was addressed through improved memory handling.

CVE-ID

CVE-2016-1823 : Ian Beer of Google Project Zero

CVE-2016-1824 : Marco Grassi (@marcograss) of KeenLab (@keen_lab), Tencent

• Kernel

Available for: Apple Watch Sport, Apple Watch, Apple Watch Edition, and Apple Watch Hermes

Impact: An application may be able to execute arbitrary code with kernel privileges

Description: Multiple memory corruption issues were addressed through improved memory handling.

CVE-ID

CVE-2016-1827 : Brandon Azad

CVE-2016-1828 : Brandon Azad

CVE-2016-1829 : CESG

CVE-2016-1830 : Brandon Azad

• libc

Available for: Apple Watch Sport, Apple Watch, Apple Watch Edition, and Apple Watch Hermes

Impact: A local attacker may be able to cause unexpected application termination or arbitrary code execution

Description: A memory corruption issue was addressed through improved input validation.

CVE-ID

CVE-2016-1832 : Karl Williamson

• libxml2

Available for: Apple Watch Sport, Apple Watch, Apple Watch Edition, and Apple Watch Hermes

Impact: Processing maliciously crafted XML may lead to an unexpected application termination or arbitrary code execution

Description: Multiple memory corruption issues were addressed through improved memory handling.

CVE-ID

CVE-2016-1833 : Mateusz Jurczyk

CVE-2016-1834 : Apple

CVE-2016-1836 : Wei Lei and Liu Yang of Nanyang Technological University

CVE-2016-1837 : Wei Lei and Liu Yang of Nanyang Technological University

CVE-2016-1838 : Mateusz Jurczyk

CVE-2016-1839 : Mateusz Jurczyk

CVE-2016-1840 : Kostya Serebryany

• libxslt

Available for: Apple Watch Sport, Apple Watch, Apple Watch Edition, and Apple Watch Hermes

Impact: Processing maliciously crafted web content may lead to arbitrary code execution

Description: A memory corruption issue was addressed through improved memory handling.

CVE-ID

CVE-2016-1841 : Sebastian Apelt

• MapKit

Available for: Apple Watch Sport, Apple Watch, Apple Watch Edition, and Apple Watch Hermes

Impact: An attacker in a privileged network position may be able to leak sensitive user information

Description: Shared links were sent with HTTP rather than HTTPS. This was addressed by enabling HTTPS for shared links.

CVE-ID

CVE-2016-1842 : Richard Shupak (https://www.linkedin.com/in/rshupak)

• OpenGL

Available for: Apple Watch Sport, Apple Watch, Apple Watch Edition, and Apple Watch Hermes

Impact: Processing maliciously crafted web content may lead to arbitrary code execution

Description: Multiple memory corruption issues were addressed through improved memory handling.

CVE-ID

CVE-2016-1847 : Tongbo Luo and Bo Qu of Palo Alto Networks