CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
79.7%
This document describes the security content of tvOS 13.3.1.
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.
Apple security documents reference vulnerabilities by CVE-ID when possible.
For more information about security, see the Apple Product Security page.
Released January 28, 2020
Audio
Available for: Apple TV 4K and Apple TV HD
Impact: An application may be able to execute arbitrary code with system privileges
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2020-3857: Zhuo Liang of Qihoo 360 Vulcan Team
files
Available for: Apple TV 4K and Apple TV HD
Impact: A malicious application may be able to overwrite arbitrary files
Description: An access issue was addressed with improved access restrictions.
CVE-2020-3855: Csaba Fitzl (@theevilbit)
Entry added January 19, 2022
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-2020-3826: Samuel Groß of Google Project Zero
CVE-2020-3870
CVE-2020-3878: Samuel Groß of Google Project Zero
CVE-2020-3880: Samuel Groß of Google Project Zero
Entry updated April 4, 2020
IOAcceleratorFamily
Available for: Apple TV 4K and Apple TV HD
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2020-3837: Brandon Azad of Google Project Zero
IOUSBDeviceFamily
Available for: Apple TV 4K and Apple TV HD
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2019-8836: Xiaolong Bai and Min (Spark) Zheng of Alibaba Inc. and Luyi Xing of Indiana University Bloomington
Entry added June 22, 2020
IPSec
Available for: Apple TV 4K and Apple TV HD
Impact: Loading a maliciously crafted racoon configuration file may lead to arbitrary code execution
Description: An off by one issue existed in the handling of racoon configuration files. This issue was addressed through improved bounds checking.
CVE-2020-3840: @littlelailo
Kernel
Available for: Apple TV 4K and Apple TV HD
Impact: An application may be able to read restricted memory
Description: A validation issue was addressed with improved input sanitization.
CVE-2020-3875: Brandon Azad of Google Project Zero
Kernel
Available for: Apple TV 4K and Apple TV HD
Impact: An application may be able to read restricted memory
Description: A memory initialization issue was addressed with improved memory handling.
CVE-2020-3872: Haakon Garseg Mørk of Cognite and Cim Stordal of Cognite
Kernel
Available for: Apple TV 4K and Apple TV HD
Impact: A malicious application may be able to determine kernel memory layout
Description: An access issue was addressed with improved memory management.
CVE-2020-3836: Brandon Azad of Google Project Zero
Kernel
Available for: Apple TV 4K and Apple TV HD
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2020-3842: Ned Williamson working with Google Project Zero
Kernel
Available for: Apple TV 4K and Apple TV HD
Impact: A malicious application may be able to execute arbitrary code with system privileges
Description: A type confusion issue was addressed with improved memory handling.
CVE-2020-3853: Brandon Azad of Google Project Zero
libxml2
Available for: Apple TV 4K and Apple TV HD
Impact: Processing maliciously crafted XML may lead to an unexpected application termination or arbitrary code execution
Description: A buffer overflow was addressed with improved size validation.
CVE-2020-3846: Ranier Vilela
Entry added January 29, 2020
libxpc
Available for: Apple TV 4K and Apple TV HD
Impact: Processing a maliciously crafted string may lead to heap corruption
Description: A memory corruption issue was addressed with improved input validation.
CVE-2020-3856: Ian Beer of Google Project Zero
libxpc
Available for: Apple TV 4K and Apple TV HD
Impact: An application may be able to gain elevated privileges
Description: An out-of-bounds read was addressed with improved bounds checking.
CVE-2020-3829: Ian Beer of Google Project Zero
WebKit
Available for: Apple TV 4K and Apple TV HD
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: Multiple memory corruption issues were addressed with improved memory handling.
CVE-2020-3825: Przemysław Sporysz of Euvic
CVE-2020-3868: Marcin Towalski of Cisco Talos
Entry updated January 29, 2020
WebKit
Available for: Apple TV 4K and Apple TV HD
Impact: A malicious website may be able to cause a denial of service
Description: A denial of service issue was addressed with improved memory handling.
CVE-2020-3862: Srikanth Gatta of Google Chrome
Entry added January 29, 2020
WebKit
Available for: Apple TV 4K and Apple TV HD
Impact: Processing maliciously crafted web content may lead to universal cross site scripting
Description: A logic issue was addressed with improved state management.
CVE-2020-3867: an anonymous researcher
Entry added January 29, 2020
WebKit Page Loading
Available for: Apple TV 4K and Apple TV HD
Impact: A top-level DOM object context may have incorrectly been considered secure
Description: A logic issue was addressed with improved validation.
CVE-2020-3865: Ryan Pickren (ryanpickren.com)
Entry added January 29, 2020, updated February 11, 2020
WebKit Page Loading
Available for: Apple TV 4K and Apple TV HD
Impact: A DOM object context may not have had a unique security origin
Description: A logic issue was addressed with improved validation.
CVE-2020-3864: Ryan Pickren (ryanpickren.com)
Entry added February 11, 2020
wifivelocityd
Available for: Apple TV 4K and Apple TV HD
Impact: An application may be able to execute arbitrary code with system privileges
Description: The issue was addressed with improved permissions logic.
CVE-2020-3838: Dayton Pidhirney (@_watbulb)
IOSurface
We would like to acknowledge Liang Chen (@chenliang0817) for their assistance.
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Published Date: November 03, 2023
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
79.7%