About Apple security updates
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.
Apple security documents reference vulnerabilities by CVE-ID when possible.
For more information about security, see the Apple Product Security page.
tvOS 12.1.2
Released January 22, 2019
AppleKeyStore
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: A sandboxed process may be able to circumvent sandbox restrictions
Description: A memory corruption issue was addressed with improved validation.
CVE-2019-6235: Brandon Azad
CoreAnimation
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: A malicious application may be able to read restricted memory
Description: An out-of-bounds read was addressed with improved bounds checking.
CVE-2019-6231: Zhuo Liang of Qihoo 360 Nirvan Team
CoreAnimation
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: A malicious application may be able to break out of its sandbox
Description: A memory initialization issue was addressed with improved memory handling.
CVE-2019-6230: Proteas, Shrek_wzw and Zhuo Liang of Qihoo 360 Nirvan Team
FaceTime
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: A remote attacker may be able to initiate a FaceTime call causing arbitrary code execution
Description: A buffer overflow issue was addressed with improved memory handling.
CVE-2019-6224: Natalie Silvanovich of Google Project Zero
IOKit
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: A malicious application may be able to break out of its sandbox
Description: A type confusion issue was addressed with improved memory handling.
CVE-2019-6214: Ian Beer of Google Project Zero
Kernel
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: A malicious application may be able to elevate privileges
Description: A memory corruption issue was addressed with improved validation.
CVE-2019-6225: Brandon Azad of Google Project Zero, Qixun Zhao of Qihoo 360 Vulcan Team
Kernel
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: A malicious application may be able to execute arbitrary code with kernel privileges
Description: A memory corruption issue was addressed with improved input validation.
CVE-2019-6210: Ned Williamson of Google
Kernel
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: A malicious application may cause unexpected changes in memory shared between processes
Description: A memory corruption issue was addressed with improved lock state checking.
CVE-2019-6205: Ian Beer of Google Project Zero
Kernel
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A buffer overflow was addressed with improved bounds checking.
CVE-2019-6213: Ian Beer of Google Project Zero
Kernel
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: A malicious application may be able to determine kernel memory layout
Description: An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation.
CVE-2019-6209: Brandon Azad of Google Project Zero
Kernel
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: A malicious application may cause unexpected changes in memory shared between processes
Description: A memory initialization issue was addressed with improved memory handling.
CVE-2019-6208: Jann Horn of Google Project Zero
libxpc
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: A malicious application may be able to execute arbitrary code with kernel privileges
Description: A memory corruption issue was addressed with improved input validation.
CVE-2019-6218: Ian Beer of Google Project Zero
SQLite
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: A maliciously crafted SQL query may lead to arbitrary code execution
Description: Multiple memory corruption issues were addressed with improved input validation.
CVE-2018-20346: Tencent Blade Team
CVE-2018-20505: Tencent Blade Team
CVE-2018-20506: Tencent Blade Team
WebKit
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2019-6227: Qixun Zhao of Qihoo 360 Vulcan Team
CVE-2019-6233: G. Geshev from MWR Labs working with Trend Micro's Zero Day Initiative
CVE-2019-6234: G. Geshev from MWR Labs working with Trend Micro's Zero Day Initiative
WebKit
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: Processing maliciously crafted web content may lead to universal cross site scripting
Description: A logic issue was addressed with improved validation.
CVE-2019-6229: Ryan Pickren (ryanpickren.com)
WebKit
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A type confusion issue was addressed with improved memory handling.
CVE-2019-6215: Lokihardt of Google Project Zero
WebKit
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: Multiple memory corruption issues were addressed with improved memory handling.
CVE-2019-6212: Mike Zhang from The Pangu team, Wen Xu of SSLab at Georgia Tech
CVE-2019-6216: Fluoroacetate working with Trend Micro's Zero Day Initiative
CVE-2019-6217: Fluoroacetate working with Trend Micro's Zero Day Initiative, Proteas, Shrek_wzw, and Zhuo Liang of Qihoo 360 Nirvan Team
CVE-2019-6226: Apple
Entry updated February 15, 2019
WebKit
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: Processing maliciously crafted web content may disclose sensitive user information
Description: A logic issue was addressed with improved state management.
CVE-2019-8570: James Lee (@Windowsrcer) of https://S2SWWW.com
Entry added April 3, 2019
Additional recognition
mDNSResponder
We would like to acknowledge Fatemah Alharbi of University of California, Riverside (UCR) and Taibah University (TU), Jie Chang of LinkSure Network, Yuchen Zhou of Northeastern University, Feng Qian of University of Minnesota – Twin City, Zhiyun Qian of University of California, Riverside (UCR), and Nael Abu-Ghazaleh of University of California, Riverside (UCR) for their assistance.
WebKit
We would like to acknowledge an anonymous researcher for their assistance.