About the security content of tvOS 10.1

This document describes the security content of tvOS 10.1.

For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page.

For more information about security, see the Apple Product Security page. You can encrypt communications with Apple using the Apple Product Security PGP Key.

Apple security documents reference vulnerabilities by CVE-ID when possible.

tvOS 10.1

Released December 12, 2016

Audio

Available for: Apple TV (4th generation)

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

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

CVE-2016-7658: Haohao Kong of Keen Lab (@keen_lab) of Tencent

CVE-2016-7659: Haohao Kong of Keen Lab (@keen_lab) of Tencent

Entry added December 13, 2016

CoreFoundation

Available for: Apple TV (4th generation)

Impact: Processing malicious strings may lead to an unexpected application termination or arbitrary code execution

Description: A memory corruption issue existed in the processing of strings. This issue was addressed through improved bounds checking.

CVE-2016-7663: an anonymous researcher

Entry added December 13, 2016

CoreGraphics

Available for: Apple TV (4th generation)

Impact: Processing a maliciously crafted font file may lead to unexpected application termination

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

CVE-2016-7627: TRAPMINE Inc. & Meysam Firouzi @R00tkitSMM

Entry added December 13, 2016

CoreMedia External Displays

Available for: Apple TV (4th generation)

Impact: A local application may be able to execute arbitrary code in the context of the mediaserver daemon

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

CVE-2016-7655: Keen Lab working with Trend Micro’s Zero Day Initiative

Entry added December 13, 2016

CoreMedia Playback

Available for: Apple TV (4th generation)

Impact: Processing a maliciously crafted .mp4 file may lead to arbitrary code execution

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

CVE-2016-7588: dragonltx of Huawei 2012 Laboratories

Entry added December 13, 2016

CoreText

Available for: Apple TV (4th generation)

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

Description: Multiple memory corruption issues existed in the handling of font files. These issues were addressed through improved bounds checking.

CVE-2016-7595: riusksk(泉哥) of Tencent Security Platform Department

Entry added December 13, 2016

CoreText

Available for: Apple TV (4th generation)

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

Description: An issue when rendering overlapping ranges was addressed through improved validation.

CVE-2016-7667: Nasser Al-Hadhrami (@fast_hack), Saif Al-Hinai (welcom_there) of Digital Unit (dgunit.com)

Entry added December 15, 2016

Disk Images

Available for: Apple TV (4th generation)

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-2016-7616: daybreaker@Minionz working with Trend Micro's Zero Day Initiative

Entry added December 13, 2016

FontParser

Available for: Apple TV (4th generation)

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

Description: Multiple memory corruption issues existed in the handling of font files. These issues were addressed through improved bounds checking.

CVE-2016-4691: riusksk(泉哥) of Tencent Security Platform Department

Entry added December 13, 2016

ICU

Available for: Apple TV (4th generation)

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

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

CVE-2016-7594: André Bargull

Entry added December 13, 2016

ImageIO

Available for: Apple TV (4th generation)

Impact: A remote attacker may be able to leak memory

Description: An out-of-bounds read was addressed through improved bounds checking.

CVE-2016-7643: Yangkang (@dnpushme) of Qihoo360 Qex Team

Entry added December 13, 2016

IOHIDFamily

Available for: Apple TV (4th generation)

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

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

CVE-2016-7591: daybreaker of Minionz

Entry added December 13, 2016

IOKit

Available for: Apple TV (4th generation)

Impact: An application may be able to read kernel memory

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

CVE-2016-7657: Keen Lab working with Trend Micro’s Zero Day Initiative

Entry added December 13, 2016

IOKit

Available for: Apple TV (4th generation)

Impact: A local user may be able to determine kernel memory layout

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

CVE-2016-7714: Qidan He (@flanker_hqd) from KeenLab working with Trend Micro's Zero Day Initiative

Entry added January 25, 2017

JavaScriptCore

Available for: Apple TV (4th generation)

Impact: A script executing in a JavaScript sandbox may be able to access state outside that sandbox

Description: A validation issue existed in processing JavaScript. This issue was addressed through improved validation.

CVE-2016-4695: Mark S. Miller of Google

Entry added August 16, 2017

Kernel

Available for: Apple TV (4th generation)

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

Description: Multiple memory corruption issues were addressed through improved input validation.

CVE-2016-7606: @cocoahuke, Chen Qin of Topsec Alpha Team (topsec.com)

CVE-2016-7612: Ian Beer of Google Project Zero

Entry added December 13, 2016

Kernel

Available for: Apple TV (4th generation)

Impact: An application may be able to read kernel memory

Description: An insufficient initialization issue was addressed by properly initializing memory returned to user space.

CVE-2016-7607: Brandon Azad

Entry added December 13, 2016

Kernel

Available for: Apple TV (4th generation)

Impact: A local user may be able to cause a system denial of service

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

CVE-2016-7615: The UK's National Cyber Security Centre (NCSC)

Entry added December 13, 2016

Kernel

Available for: Apple TV (4th generation)

Impact: A local user may be able to cause an unexpected system termination or arbitrary code execution in the kernel

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

CVE-2016-7621: Ian Beer of Google Project Zero

Entry added December 13, 2016

Kernel

Available for: Apple TV (4th generation)

Impact: A local user may be able to gain root privileges

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

CVE-2016-7637: Ian Beer of Google Project Zero

Entry added December 13, 2016

Kernel

Available for: Apple TV (4th generation)

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

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

CVE-2016-7647: Lufeng Li of Qihoo 360 Vulcan Team

Entry added May 17, 2017

libarchive

Available for: Apple TV (4th generation)

Impact: A local attacker may be able to overwrite existing files

Description: A validation issue existed in the handling of symlinks. This issue was addressed through improved validation of symlinks.

CVE-2016-7619: an anonymous researcher

Entry added December 13, 2016

Power Management

Available for: Apple TV (4th generation)

Impact: A local user may be able to gain root privileges

Description: An issue in mach port name references was addressed through improved validation.

CVE-2016-7661: Ian Beer of Google Project Zero

Entry added December 13, 2016

Profiles

Available for: Apple TV (4th generation)

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

Description: A memory corruption issue existed in the handling of certificate profiles. This issue was addressed through improved input validation.

CVE-2016-7626: Maksymilian Arciemowicz (cxsecurity.com)

Security

Available for: Apple TV (4th generation)

Impact: An attacker may be able to exploit weaknesses in the 3DES cryptographic algorithm

Description: 3DES was removed as a default cipher.

CVE-2016-4693: Gaëtan Leurent and Karthikeyan Bhargavan from INRIA Paris

Entry added December 13, 2016

Security

Available for: Apple TV (4th generation)

Impact: An attacker in a privileged network position may be able to cause a denial of service

Description: A validation issue existed in the handling of OCSP responder URLs. This issue was addressed by verifying OCSP revocation status after CA validation and limiting the number of OCSP requests per certificate.

CVE-2016-7636: Maksymilian Arciemowicz (cxsecurity.com)

Entry added December 13, 2016

Security

Available for: Apple TV (4th generation)

Impact: Certificates may be unexpectedly evaluated as trusted

Description: A certificate evaluation issue existed in certificate validation. This issue was addressed through additional validation of certificates.

CVE-2016-7662: Apple

Entry added December 13, 2016

syslog

Available for: Apple TV (4th generation)

Impact: A local user may be able to gain root privileges

Description: An issue in mach port name references was addressed through improved validation.

CVE-2016-7660: Ian Beer of Google Project Zero

Entry added December 13, 2016

WebKit

Available for: Apple TV (4th generation)

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

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

CVE-2016-4692: Apple

CVE-2016-7635: Apple

CVE-2016-7652: Apple

Entry added December 13, 2016

WebKit

Available for: Apple TV (4th generation)

Impact: Processing maliciously crafted web content may result in the disclosure of process memory

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

CVE-2016-4743: Alan Cutter

Entry added December 13, 2016

WebKit

Available for: Apple TV (4th generation)

Impact: Processing maliciously crafted web content may result in the disclosure of user information

Description: A validation issue was addressed through improved state management.

CVE-2016-7586: Boris Zbarsky

Entry added December 13, 2016

WebKit

Available for: Apple TV (4th generation)

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

Description: Multiple memory corruption issues were addressed through improved state management.

CVE-2016-7587: Adam Klein

CVE-2016-7610: Zheng Huang of the Baidu Security Lab working with Trend Micro's Zero Day Initiative

CVE-2016-7611: an anonymous researcher working with Trend Micro's Zero Day Initiative

CVE-2016-7639: Tongbo Luo of Palo Alto Networks

CVE-2016-7640: Kai Kang of Tencent's Xuanwu Lab (tencent.com)

CVE-2016-7641: Kai Kang of Tencent's Xuanwu Lab (tencent.com)

CVE-2016-7642: Tongbo Luo of Palo Alto Networks

CVE-2016-7645: Kai Kang of Tencent's Xuanwu Lab (tencent.com)

CVE-2016-7646: Kai Kang of Tencent's Xuanwu Lab (tencent.com)

CVE-2016-7648: Kai Kang of Tencent's Xuanwu Lab (tencent.com)

CVE-2016-7649: Kai Kang of Tencent's Xuanwu Lab (tencent.com)

CVE-2016-7654: Keen Lab working with Trend Micro’s Zero Day Initiative

Entry added December 13, 2016

WebKit

Available for: Apple TV (4th generation)

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

Description: A memory corruption issue was addressed through improved state management.

CVE-2016-7589: Apple

CVE-2016-7656: Keen Lab working with Trend Micro’s Zero Day Initiative

Entry added December 13, 2016

WebKit

Available for: Apple TV (4th generation)

Impact: Processing maliciously crafted web content may result in the disclosure of process memory

Description: An uninitialized memory access issue was addressed through improved memory initialization.

CVE-2016-7598: Samuel Groß

Entry added December 13, 2016

WebKit

Available for: Apple TV (4th generation)

Impact: Processing maliciously crafted web content may result in the disclosure of user information

Description: An issue existed in the handling of HTTP redirects. This issue was addressed through improved cross origin validation.

CVE-2016-7599: Muneaki Nishimura (nishimunea) of Recruit Technologies Co., Ltd.

Entry added December 13, 2016

WebKit

Available for: Apple TV (4th generation)

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

Description: A memory corruption issue was addressed through improved state management.

CVE-2016-7632: Jeonghoon Shin

Entry added December 13, 2016

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