About the security content of OS X El Capitan v10.11.5 and Security Update 2016-003

This document describes the security content of OS X El Capitan v10.11.5 and Security Update 2016-003.

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.

OS X El Capitan v10.11.5 and Security Update 2016-003

• AMD

Available for: OS X El Capitan v10.11 and later

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-2016-1792 : beist and ABH of BoB

• AMD

Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11 and later

Impact: An application may be able to determine kernel memory layout

Description: An issue existed that led to the disclosure of kernel memory content. This issue was addressed through improved bounds checking.

CVE-ID

CVE-2016-1791 : daybreaker of Minionz

• apache_mod_php

Available for: OS X El Capitan v10.11 and later

Impact: Multiple vulnerabilities in PHP

Description: Multiple vulnerabilities existed in PHP versions prior to 5.5.34. These were addressed by updating PHP to version 5.5.34.

CVE-ID

CVE-2015-8865

CVE-2016-3141

CVE-2016-3142

CVE-2016-4070

CVE-2016-4071

CVE-2016-4072

CVE-2016-4073

• AppleGraphicsControl

Available for: OS X El Capitan v10.11 and later

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-2016-1793 : Ian Beer of Google Project Zero

CVE-2016-1794 : Ian Beer of Google Project Zero

• AppleGraphicsPowerManagement

Available for: OS X El Capitan v10.11 and later

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-2016-1795 : Moony Li (@Flyic) and Jack Tang (@jacktang310) of Trend Micro

• ATS

Available for: OS X El Capitan v10.11 and later

Impact: A local user may be able to leak sensitive user information

Description: An out of bounds memory access issue was addressed through improved memory handling.

CVE-ID

CVE-2016-1796 : lokihardt working with Trend Micro’s Zero Day Initiative

• ATS

Available for: OS X El Capitan v10.11 and later

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

Description: An issue existed in the sandbox policy. This was addressed by sandboxing FontValidator.

CVE-ID

CVE-2016-1797 : lokihardt working with Trend Micro’s Zero Day Initiative

• Audio

Available for: OS X Yosemite v10.10.5 and OS X El Capitan v10.11 and later

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

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

CVE-ID

CVE-2016-1798 : Juwei Lin of TrendMicro

• Audio

Available for: OS X El Capitan v10.11 and later

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

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

CVE-ID

CVE-2016-1799 : Juwei Lin of TrendMicro

• Captive Network Assistant

Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11 and later

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

Description: A custom URL scheme handling issue was addressed through improved input validation.

CVE-ID

CVE-2016-1800 : Apple

• CFNetwork Proxies

Available for: OS X El Capitan v10.11 and later

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

Description: An information leak existed in the handling of HTTP and HTTPS requests. This issue was addressed through improved URL handling.

CVE-ID

CVE-2016-1801 : Alex Chapman and Paul Stone of Context Information Security

• CommonCrypto

Available for: OS X El Capitan v10.11 and later

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: OS X El Capitan v10.11 and later

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

• CoreStorage

Available for: OS X El Capitan v10.11 and later

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

Description: A configuration issue was addressed through additional restrictions.

CVE-ID

CVE-2016-1805 : Stefan Esser

• Crash Reporter

Available for: OS X El Capitan v10.11 and later

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

Description: A configuration issue was addressed through additional restrictions.

CVE-ID

CVE-2016-1806 : lokihardt working with Trend Micro’s Zero Day Initiative

• Disk Images

Available for: OS X El Capitan v10.11 and later

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: OS X El Capitan v10.11 and later

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

• Disk Utility

Available for: OS X El Capitan v10.11 and later

Impact: Disk Utility failed to compress and encrypt disk images

Description: Incorrect keys were being used to encrypt disk images. This issue was addressed by updating the encryption keys.

CVE-ID

CVE-2016-1809 : Ast A. Moore (@astamoore) and David Foster of TechSmartKids

• Graphics Drivers

Available for: OS X El Capitan v10.11 and later

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-2016-1810 : Moony Li (@Flyic) and Jack Tang (@jacktang310) of Trend Micro

• ImageIO

Available for: OS X El Capitan v10.11 and later

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)

• Intel Graphics Driver

Available for: OS X El Capitan v10.11 and later

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

Description: A buffer overflow was addressed through improved bounds checking.

CVE-ID

CVE-2016-1812 : Juwei Lin of TrendMicro

• Intel Graphics Driver

Available for: OS X El Capitan v10.11 and later

Impact: An application may be able to determine kernel memory layout

Description: Multiple access issues were addressed through additional restrictions.

CVE-ID

CVE-2016-1860 : Brandon Azad and Qidan He (@flanker_hqd) from KeenLab, Tencent

CVE-2016-1862 : Marco Grassi (@marcograss) of KeenLab (@keen_lab), Tencent

• IOAcceleratorFamily

Available for: OS X El Capitan v10.11 and later

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

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

CVE-ID

CVE-2016-1814 : Juwei Lin of TrendMicro

• IOAcceleratorFamily

Available for: OS X El Capitan v10.11 and later

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-2016-1815 : Liang Chen, Qidan He of KeenLab, Tencent working with Trend Micro’s Zero Day Initiative

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

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

Entry updated December 13, 2016

• IOAcceleratorFamily

Available for: OS X El Capitan v10.11 and later

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

CVE-2016-1816 : Peter Pi (@heisecode) of Trend Micro and Juwei Lin of Trend Micro

• IOAudioFamily

Available for: OS X El Capitan v10.11 and later

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

Description: A buffer overflow was addressed with improved bounds checking.

CVE-ID

CVE-2016-1820 : Moony Li (@Flyic) and Jack Tang (@jacktang310) of Trend Micro working with Trend Micro’s Zero Day Initiative

• IOAudioFamily

Available for: OS X El Capitan v10.11 and later

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-2016-1821 : Ian Beer of Google Project Zero

• IOFireWireFamily

Available for: OS X El Capitan v10.11 and later

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-2016-1822 : CESG

• IOHIDFamily

Available for: OS X El Capitan v10.11 and later

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

CVE-2016-4650 : Peter Pi of Trend Micro working with HPs Zero Day Initiative

• IOHIDFamily

Available for: OS X El Capitan v10.11 and later

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-2016-1825 : Brandon Azad

• Kernel

Available for: OS X El Capitan v10.11 and later

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

CVE-2016-1831 : Brandon Azad

• Kernel

Available for: OS X El Capitan v10.11 and later

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

Description: An integer overflow existed in dtrace. This issue was addressed through improved bounds checking.

CVE-ID

CVE-2016-1826 : Ben Murphy working with Trend Micro’s Zero Day Initiative

• libc

Available for: OS X El Capitan v10.11 and later

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: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11 and later

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-2016-1835 : Wei Lei and Liu Yang of Nanyang Technological University

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: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11 and later

Impact: Visiting a maliciously crafted website 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: OS X El Capitan v10.11 and later

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)

• Messages

Available for: OS X El Capitan v10.11 and later

Impact: A malicious server or user may be able to modify another user’s contact list

Description: A validation issue existed in roster changes. This issue was addressed through improved validation of roster sets.

CVE-ID

CVE-2016-1844 : Thijs Alkemade of Computest

• Messages

Available for: OS X El Capitan v10.11 and later

Impact: A remote attacker may be able to leak sensitive user information

Description: An encoding issue existed in filename parsing. This issue was addressed through improved filename encoding.

CVE-ID

CVE-2016-1843 : Heige (a.k.a. SuperHei) of Knownsec 404 Security Team [http://www.knownsec.com]

• Multi-Touch

Available for: OS X El Capitan v10.11 and later

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

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

CVE-ID

CVE-2016-1804 : Liang Chen, Yubin Fu, Marco Grassi of KeenLab, Tencent of Trend Micro’s Zero Day Initiative

• NVIDIA Graphics Drivers

Available for: OS X El Capitan v10.11 and later

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-2016-1846 : Ian Beer of Google Project Zero

CVE-2016-1861 : Ian Beer of Google Project Zero

• OpenGL

Available for: OS X Mavericks v10.9.5, OS X Yosemite v10.10.5, and OS X El Capitan v10.11 and later

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

• QuickTime

Available for: OS X El Capitan v10.11 and later

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

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

CVE-ID

CVE-2016-1848 : Francis Provencher from COSIG

• SceneKit

Available for: OS X El Capitan v10.11 and later

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

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

CVE-ID

CVE-2016-1850 : Tyler Bohan of Cisco Talos

• Screen Lock

Available for: OS X El Capitan v10.11 and later

Impact: A person with physical access to a computer may be able to reset an expired password from the lock screen

Description: An issue existed in the management of password profiles. This issue was addressed through improved password reset handling.

CVE-ID

CVE-2016-1851 : an anonymous researcher

• Tcl

Available for: OS X El Capitan v10.11 and later

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

Description: A protocol security issue was addressed by disabling SSLv2.

CVE-ID

CVE-2016-1853 : researchers at Tel Aviv University, Münster University of Applied Sciences, Ruhr University Bochum, the University of Pennsylvania, the Hashcat project, the University of Michigan, Two Sigma, Google, and the OpenSSL project: Nimrod Aviram, Sebastian Schinzel, Juraj Somorovsky, Nadia Heninger, Maik Dankel, Jens Steube, Luke Valenta, David Adrian, J. Alex Halderman, Viktor Dukhovni, Emilia Käsper, Shaanan Cohney, Susanne Engels, Christof Paar, and Yuval Shavitt

OS X El Capitan v10.11.5 includes the security content of Safari 9.1.1.

Information about products not manufactured by Apple, or independent websites not controlled or tested by Apple, is provided without recommendation or endorsement. Apple assumes no responsibility with regard to the selection, performance, or use of third-party websites or products. Apple makes no representations regarding third-party website accuracy or reliability. Contact the vendor for additional information.

Published Date: January 23, 2017