About the security content of tvOS 11.3
This document describes the security content of tvOS 11.3.
About Apple security updates
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Apple security documents reference vulnerabilities by CVE-ID when possible.
tvOS 11.3
CoreFoundation
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: An application may be able to gain elevated privileges
Description: A race condition was addressed with additional validation.
CVE-2018-4155: Samuel Groß (@5aelo)
CoreText
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: Processing a maliciously crafted string may lead to a denial of service
Description: A denial of service issue was addressed with improved memory handling.
CVE-2018-4142: Robin Leroy of Google Switzerland GmbH
File System Events
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: An application may be able to gain elevated privileges
Description: A race condition was addressed with additional validation.
CVE-2018-4167: Samuel Groß (@5aelo)
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: Multiple memory corruption issues were addressed with improved memory handling.
CVE-2018-4150: an anonymous researcher
Kernel
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: An application may be able to read restricted memory
Description: A validation issue was addressed with improved input sanitisation.
CVE-2018-4104: The UK's National Cyber Security Centre (NCSC)
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 memory corruption issue was addressed with improved memory handling.
CVE-2018-4143: derrek (@derrekr6)
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 information disclosure issue existed in the transition of programme state. This issue was addressed with improved state handling.
CVE-2018-4185: Brandon Azad
libxml2
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: Processing maliciously crafted web content may lead to an unexpected Safari crash
Description: A use after free issue was addressed with improved memory management.
CVE-2017-15412: Nick Wellnhofer
NSURLSession
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: An application may be able to gain elevated privileges
Description: A race condition was addressed with additional validation.
CVE-2018-4166: Samuel Groß (@5aelo)
Quick Look
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: An application may be able to gain elevated privileges
Description: A race condition was addressed with additional validation.
CVE-2018-4157: Samuel Groß (@5aelo)
Security
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: A malicious application may be able to elevate privileges
Description: A buffer overflow was addressed with improved size validation.
CVE-2018-4144: Abraham Masri (@cheesecakeufo)
System Preferences
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: A configuration profile may incorrectly remain in effect after removal
Description: An issue existed in CFPreferences. This issue was addressed with improved preferences cleanup.
CVE-2018-4115: Johann Thalakada, Vladimir Zubkov, and Matt Vlasach of Wandera
WebKit
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: Unexpected interaction with indexing types causing an ASSERT failure
Description: An array indexing issue existed in the handling of a function in javascript core. This issue was addressed through improved checks.
CVE-2018-4113: found by OSS-Fuzz
WebKit
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: Processing maliciously crafted web content may lead to a denial of service
Description: A memory corruption issue was addressed through improved input validation.
CVE-2018-4146: found by OSS-Fuzz
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-2018-4101: Yuan Deng of Ant-financial Light-Year Security Lab
CVE-2018-4114: found by OSS-Fuzz
CVE-2018-4118: Jun Kokatsu (@shhnjk)
CVE-2018-4119: an anonymous researcher working with Trend Micro's Zero Day Initiative
CVE-2018-4120: Hanming Zhang (@4shitak4) of Qihoo 360 Vulcan Team
CVE-2018-4121: natashenka of Google Project Zero
CVE-2018-4122: WanderingGlitch of Trend Micro’s Zero Day Initiative
CVE-2018-4125: WanderingGlitch of Trend Micro's Zero Day Initiative
CVE-2018-4127: an anonymous researcher working with Trend Micro's Zero Day Initiative
CVE-2018-4128: Zach Markley
CVE-2018-4129: likemeng of Baidu Security Lab working with Trend Micro's Zero Day Initiative
CVE-2018-4130: Omair working with Trend Micro's Zero Day Initiative
CVE-2018-4161: WanderingGlitch of Trend Micro's Zero Day Initiative
CVE-2018-4162: WanderingGlitch of Trend Micro's Zero Day Initiative
CVE-2018-4163: WanderingGlitch of Trend Micro's Zero Day Initiative
CVE-2018-4165: Hanming Zhang (@4shitak4) of Qihoo 360 Vulcan Team
WebKit
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: unexpected interaction causes an ASSERT failure
Description: This issue was addressed with improved checks.
CVE-2018-4207: found by OSS-Fuzz
WebKit
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: unexpected interaction causes an ASSERT failure
Description: This issue was addressed with improved checks.
CVE-2018-4208: found by OSS-Fuzz
WebKit
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: unexpected interaction causes an ASSERT failure
Description: This issue was addressed with improved checks.
CVE-2018-4209: found by OSS-Fuzz
WebKit
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: Unexpected interaction with indexing types caused a failure
Description: An array indexing issue existed in the handling of a function in javascript core. This issue was addressed with improved checks.
CVE-2018-4210: found by OSS-Fuzz
WebKit
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: unexpected interaction causes an ASSERT failure
Description: This issue was addressed with improved checks.
CVE-2018-4212: found by OSS-Fuzz
WebKit
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: unexpected interaction causes an ASSERT failure
Description: This issue was addressed with improved checks.
CVE-2018-4213: found by OSS-Fuzz
WebKit
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: Processing maliciously crafted web content may lead to code execution
Description: Multiple memory corruption issues were addressed with improved memory handling.
CVE-2018-4145: found by OSS-Fuzz
Additional recognition
Security
We would like to acknowledge Abraham Masri (@cheesecakeufo) for their assistance.
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