About the security content of watchOS 2.2

This document describes the security content of watchOS 2.2.

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

  • 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-2016-1717 : Frank Graziano of Yahoo! Pentest Team

  • FontParser

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

    Impact: Opening a maliciously crafted PDF file may lead to an unexpected application termination or arbitrary code execution

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

    CVE-ID

    CVE-2016-1740 : HappilyCoded (ant4g0nist and r3dsm0k3) working with Trend Micro's Zero Day Initiative (ZDI)

  • HTTPProtocol

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

    Impact: A remote attacker may be able to execute arbitrary code

    Description: Multiple vulnerabilities existed in nghttp2 versions prior to 1.6.0, the most serious of which may have led to remote code execution. These were addressed by updating nghttp2 to version 1.6.0.

    CVE-ID

    CVE-2015-8659

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

    CVE-ID

    CVE-2016-1719 : 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 determine kernel memory layout

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

    CVE-ID

    CVE-2016-1748 : Brandon Azad

  • 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-2016-1720 : Ian Beer of Google Project Zero

    CVE-2016-1721 : Ian Beer of Google Project Zero and Ju Zhu of Trend Micro

    CVE-2016-1754 : Lufeng Li of Qihoo 360 Vulcan Team

    CVE-2016-1755 : Ian Beer of Google Project Zero

  • 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: A use after free issue was addressed through improved memory management.

    CVE-ID

    CVE-2016-1750 : CESG

  • 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 integer overflows were addressed through improved input validation.

    CVE-ID

    CVE-2016-1753 : Juwei Lin Trend Micro working with Trend Micro's Zero Day Initiative (ZDI)

  • Kernel

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

    Impact: An application may be able to bypass code signing

    Description: A permissions issue existed in which execute permission was incorrectly granted. This issue was addressed through improved permission validation.

    CVE-ID

    CVE-2016-1751 : Eric Monti of Square Mobile Security

  • Kernel

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

    Impact: An application may be able to cause a denial of service

    Description: A denial of service issue was addressed through improved validation.

    CVE-ID

    CVE-2016-1752 : CESG

  • libxml2

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

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

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

    CVE-ID

    CVE-2015-1819

    CVE-2015-5312 : David Drysdale of Google

    CVE-2015-7499

    CVE-2015-7500 : Kostya Serebryany of Google

    CVE-2015-7942 : Kostya Serebryany of Google

    CVE-2015-8035 : gustavo.grieco

    CVE-2015-8242 : Hugh Davenport

    CVE-2016-1761 : wol0xff working with Trend Micro's Zero Day Initiative (ZDI)

    CVE-2016-1762

  • libxslt

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

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

    Description: A type confusion issue was addressed through improved memory handling.

    CVE-ID

    CVE-2015-7995 : puzzor 

  • Messages

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

    Impact: An attacker who is able to bypass Apple's certificate pinning, intercept TLS connections, inject messages, and record encrypted attachment-type messages may be able to read attachments

    Description: A cryptographic issue was addressed by rejecting duplicate messages on the client.

    CVE-ID

    CVE-2016-1788 : Christina Garman, Matthew Green, Gabriel Kaptchuk, Ian Miers, and Michael Rushanan of Johns Hopkins University

  • Security

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

    Impact: Processing a maliciously crafted certificate may lead to arbitrary code execution

    Description: A memory corruption issue existed in the ASN.1 decoder. This issue was addressed through improved input validation.

    CVE-ID

    CVE-2016-1950 : Francis Gabriel of Quarkslab

  • syslog

    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-2016-1722 : Joshua J. Drake and Nikias Bassen of Zimperium zLabs

  • TrueTypeScaler

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

    Impact: Processing a maliciously crafted font file may lead to arbitrary code execution

    Description: A memory corruption issue existed in the processing of font files. This issue was addressed through improved input validation.

    CVE-ID

    CVE-2016-1775 : 0x1byte working with Trend Micro's Zero Day Initiative (ZDI)

  • WebKit

    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-2016-1723 : Apple

    CVE-2016-1724 : Apple

    CVE-2016-1725 : Apple

    CVE-2016-1726 : Apple

    CVE-2016-1727 : Apple

  • Wi-Fi

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

    Impact: An attacker with a privileged network position may be able to execute arbitrary code

    Description: A frame validation and memory corruption issue existed for a given ethertype. This issue was addressed through additional ethertype validation and improved memory handling.

    CVE-ID

    CVE-2016-0801 : an anonymous researcher

    CVE-2016-0802 : an anonymous researcher

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