About the security content of tvOS 14.3
This document describes the security content of tvOS 14.3.
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 14.3
Audio
Available for: Apple TV 4K and Apple TV HD
Impact: Processing a maliciously crafted audio file may disclose restricted memory
Description: An out-of-bounds read was addressed with improved input validation.
CVE-2020-29610: Anonymous working with Trend Micro Zero Day Initiative
CoreAudio
Available for: Apple TV 4K and Apple TV HD
Impact: Processing a maliciously crafted audio file may lead to arbitrary code execution
Description: An out-of-bounds write issue was addressed with improved bounds checking.
CVE-2020-27948: JunDong Xie of Ant Security Light-Year Lab
FontParser
Available for: Apple TV 4K and Apple TV HD
Impact: a remote attacker may be able to leak memory
Description: An out-of-bounds read was addressed with improved bounds checking.
CVE-2020-29608: Xingwei Lin of Ant Security Light-Year Lab
FontParser
Available for: Apple TV 4K and Apple TV HD
Impact: Processing a maliciously crafted font may result in the disclosure of process memory
Description: An information disclosure issue was addressed with improved state management.
CVE-2020-27946: Mateusz Jurczyk of Google Project Zero
FontParser
Available for: Apple TV 4K and Apple TV HD
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 with improved input validation.
CVE-2020-27943: Mateusz Jurczyk of Google Project Zero
CVE-2020-27944: Mateusz Jurczyk of Google Project Zero
CVE-2020-29624: Mateusz Jurczyk of Google Project Zero
ImageIO
Available for: Apple TV 4K and Apple TV HD
Impact: Processing a maliciously crafted image may lead to a denial of service
Description: an out-of-bounds read was addressed with improved input validation.
CVE-2020-29615: Xingwei Lin of Ant Security Light-Year Lab
ImageIO
Available for: Apple TV 4K and Apple TV HD
Impact: Processing a maliciously crafted image may lead to heap corruption
Description: an out-of-bounds read was addressed with improved input validation.
CVE-2020-29617: Xingwei Lin of Ant Security Light-Year Lab
CVE-2020-29619: Xingwei Lin of Ant Security Light-Year Lab
ImageIO
Available for: Apple TV 4K and Apple TV HD
Impact: processing a maliciously crafted image may lead to arbitrary code execution
Description: An out-of-bounds read was addressed with improved input validation.
CVE-2020-29618: Xingwei Lin of Ant Security Light-Year Lab
ImageIO
Available for: Apple TV 4K and Apple TV HD
Impact: processing a maliciously crafted image may lead to arbitrary code execution
Description: An out-of-bounds write issue was addressed with improved bounds checking.
CVE-2020-29611: Alexandru-Vlad Niculae working with Google Project Zero
Model I/O
Available for: Apple TV 4K and Apple TV HD
Impact: Processing a maliciously crafted file may lead to heap corruption
Description: This issue was addressed with improved checks.
CVE-2020-29614: ZhiWei Sun(@5n1p3r0010) of Topsec Alpha Lab
Model I/O
Available for: Apple TV 4K and Apple TV HD
Impact: Processing a maliciously crafted USD file may lead to unexpected application termination or arbitrary code execution
Description: A buffer overflow issue was addressed with improved memory handling.
CVE-2020-9972: Aleksandar Nikolic of Cisco Talos
WebKit Storage
Available for: Apple TV 4K and Apple TV HD
Impact: A user may be unable to fully delete browsing history
Description: “Clear History and Website Data” did not clear the history. The issue was addressed with improved data deletion.
CVE-2020-29623: Simon Hunt of OvalTwo LTD
WebRTC
Available for: Apple TV 4K and Apple TV HD
Impact: processing maliciously crafted web content may lead to arbitrary code execution
Description: a use after free issue was addressed with improved memory management.
CVE-2020-15969: an anonymous researcher
Additional recognition
CoreAudio
We would like to acknowledge JunDong Xie and Xingwei Lin of Ant Security Light-Year Lab for their assistance.
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