About the security content of watchOS 7.1
This document describes the security content of watchOS 7.1.
About Apple security updates
For our customers' protection, Apple doesn't disclose, discuss or confirm security issues until an investigation has taken place 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.
watchOS 7.1
Audio
Available for: Apple Watch Series 3 and later
Impact: processing a maliciously crafted audio file may lead to arbitrary code execution
Description: an out-of-bounds read was addressed with improved input validation.
CVE-2020-27910: JunDong Xie and XingWei Lin of Ant Security Light-Year Lab
Audio
Available for: Apple Watch Series 3 and later
Impact: processing a maliciously crafted audio file may lead to arbitrary code execution
Description: an out-of-bounds write was addressed with improved input validation.
CVE-2020-27916: JunDong Xie of Ant Security Light-Year Lab
CoreAudio
Available for: Apple Watch Series 3 and later
Impact: processing a maliciously crafted audio file may lead to arbitrary code execution
Description: an out-of-bounds write was addressed with improved input validation.
CVE-2020-10017: Francis working with Trend Micro Zero Day Initiative, JunDong Xie of Ant Security Light-Year Lab
CoreAudio
Available for: Apple Watch Series 3 and later
Impact: processing a maliciously crafted audio file may lead to arbitrary code execution
Description: an out-of-bounds read was addressed with improved input validation.
CVE-2020-27908: Anonymous working with Trend Micro Zero Day Initiative, JunDong Xie and XingWei Lin of Ant Security Light-Year Lab
CVE-2020-27909: anonymous working with Trend Micro Zero Day Initiative, JunDong Xie and XingWei Lin of Ant Security Light-Year Lab
CoreText
Available for: Apple Watch Series 3 and later
Impact: processing a maliciously crafted font file may lead to arbitrary code execution
Description: a logic issue was addressed with improved state management.
CVE-2020-27922: Mickey Jin of Trend Micro
Crash Reporter
Available for: Apple Watch Series 3 and later
Impact: a local attacker may be able to elevate their privileges
Description: an issue existed within the path validation logic for symlinks. This issue was addressed with improved path sanitisation.
CVE-2020-10003: Tim Michaud (@TimGMichaud) of Leviathan
FontParser
Available for: Apple Watch Series 3 and later
Impact: processing a maliciously crafted font may lead to arbitrary code execution. Apple is aware of reports that an exploit for this issue exists in the wild.
Description: a memory corruption issue was addressed with improved input validation.
CVE-2020-27930: Google Project Zero
FontParser
Available for: Apple Watch Series 3 and later
Impact: processing a maliciously crafted font file may lead to arbitrary code execution
Description: an out-of-bounds write issue was addressed with improved bounds checking.
CVE-2020-27927: Xingwei Lin of Ant Security Light-Year Lab
Foundation
Available for: Apple Watch Series 3 and later
Impact: a local user may be able to read arbitrary files
Description: a logic issue was addressed with improved state management.
CVE-2020-10002: James Hutchins
ImageIO
Available for: Apple Watch Series 3 and later
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-2020-27924: Lei Sun
ImageIO
Available for: Apple Watch Series 3 and later
Impact: processing a maliciously crafted image may lead to arbitrary code execution
Description: an out-of-bounds write was addressed with improved input validation.
CVE-2020-27912: Xingwei Lin of Ant Security Light-Year Lab
CVE-2020-27923: Lei Sun
IOAcceleratorFamily
Available for: Apple Watch Series 3 and later
Impact: A malicious application may be able to execute arbitrary code with system privileges
Description: A memory corruption issue was addressed with improved state management.
CVE-2020-27905: Mohamed Ghannam (@_simo36)
Kernel
Available for: Apple Watch Series 3 and later
Impact: a malicious application may be able to disclose kernel memory. Apple is aware of reports that an exploit for this issue exists in the wild.
Description: a memory initialisation issue was addressed.
CVE-2020-27950: Google Project Zero
Kernel
Available for: Apple Watch Series 3 and later
Impact: a malicious application may be able to determine kernel memory layout
Description: a logic issue was addressed with improved state management.
CVE-2020-9974: Tommy Muir (@Muirey03)
Kernel
Available for: Apple Watch Series 3 and later
Impact: an application may be able to execute arbitrary code with kernel privileges
Description: a memory corruption issue was addressed with improved state management.
CVE-2020-10016: Alex Helie
Kernel
Available for: Apple Watch Series 3 and later
Impact: a malicious application may be able to execute arbitrary code with kernel privileges. Apple is aware of reports that an exploit for this issue exists in the wild.
Description: a type confusion issue was addressed with improved state handling.
CVE-2020-27932: Google Project Zero
libxml2
Available for: Apple Watch Series 3 and later
Impact: processing maliciously crafted web content may lead to code execution
Description: a use after free issue was addressed with improved memory management.
CVE-2020-27917: found by OSS-Fuzz
CVE-2020-27920: found by OSS-Fuzz
libxml2
Available for: Apple Watch Series 3 and later
Impact: a remote attacker may be able to cause unexpected application termination or arbitrary code execution
Description: an integer overflow was addressed through improved input validation.
CVE-2020-27911: found by OSS-Fuzz
Logging
Available for: Apple Watch Series 3 and later
Impact: a local attacker may be able to elevate their privileges
Description: a path handling issue was addressed with improved validation.
CVE-2020-10010: Tommy Muir (@Muirey03)
Symptom Framework
Available for: Apple Watch Series 3 and later
Impact: a local attacker may be able to elevate their privileges
Description: A use after free issue was addressed with improved memory management.
CVE-2020-27899: 08Tc3wBB working with ZecOps
WebKit
Available for: Apple Watch Series 3 and later
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-2020-27918: Liu Long of Ant Security Light-Year Lab
XNU
Available for: Apple Watch Series 3 and later
Impact: a sandboxed process may be able to circumvent sandbox restrictions
Description: multiple issues were addressed with improved logic.
CVE-2020-27935: Lior Halphon (@LIJI32)
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