About the security content of watchOS 6.1
This document describes the security content of watchOS 6.1.
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.
watchOS 6.1
Accounts
Available for: Apple Watch Series 1 and later
Impact: A remote attacker may be able to leak memory
Description: An out-of-bounds read was addressed with improved input validation.
CVE-2019-8787: Steffen Klee of Secure Mobile Networking Lab at Technische Universität Darmstadt
AirDrop
Available for: Apple Watch Series 1 and later
Impact: AirDrop transfers may be unexpectedly accepted while in Everyone mode
Description: A logic issue was addressed with improved validation.
CVE-2019-8796: Allison Husain of UC Berkeley
App Store
Available for: Apple Watch Series 1 and later
Impact: A local attacker may be able to login to the account of a previously logged in user without valid credentials.
Description: An authentication issue was addressed with improved state management.
CVE-2019-8803: Kiyeon An, 차민규 (CHA Minkyu)
AppleFirmwareUpdateKext
Available for: Apple Watch Series 1 and later
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A memory corruption vulnerability was addressed with improved locking.
CVE-2019-8747: Mohamed Ghannam (@_simo36)
Audio
Available for: Apple Watch Series 1 and later
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-2019-8785: Ian Beer of Google Project Zero
CVE-2019-8797: 08Tc3wBB working with SSD Secure Disclosure
Contacts
Available for: Apple Watch Series 1 and later
Impact: Processing a maliciously contact may lead to UI spoofing
Description: An inconsistent user interface issue was addressed with improved state management.
CVE-2017-7152: Oliver Paukstadt of Thinking Objects GmbH (to.com)
File System Events
Available for: Apple Watch Series 1 and later
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-2019-8798: ABC Research s.r.o. working with Trend Micro's Zero Day Initiative
Kernel
Available for: Apple Watch Series 1 and later
Impact: An application may be able to read restricted memory
Description: A validation issue was addressed with improved input sanitization.
CVE-2019-8794: 08Tc3wBB working with SSD Secure Disclosure
Kernel
Available for: Apple Watch Series 1 and later
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-2019-8786: Wen Xu of Georgia Tech, Microsoft Offensive Security Research Intern
Kernel
Available for: Apple Watch Series 1 and later
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A memory corruption vulnerability was addressed with improved locking.
CVE-2019-8829: Jann Horn of Google Project Zero
libxslt
Available for: Apple Watch Series 1 and later
Impact: Multiple issues in libxslt
Description: Multiple memory corruption issues were addressed with improved input validation.
CVE-2019-8750: found by OSS-Fuzz
VoiceOver
Available for: Apple Watch Series 1 and later
Impact: A person with physical access to an iOS device may be able to access contacts from the lock screen
Description: The issue was addressed by restricting options offered on a locked device.
CVE-2019-8775: videosdebarraquito
WebKit
Available for: Apple Watch Series 1 and later
Impact: Processing maliciously crafted web content may lead to universal cross site scripting
Description: A logic issue was addressed with improved state management.
CVE-2019-8764: Sergei Glazunov of Google Project Zero
WebKit
Available for: Apple Watch Series 1 and later
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: Multiple memory corruption issues were addressed with improved memory handling.
CVE-2019-8743: zhunki from Codesafe Team of Legendsec at Qi'anxin Group
CVE-2019-8765: Samuel Groß of Google Project Zero
CVE-2019-8766: found by OSS-Fuzz
CVE-2019-8808: found by OSS-Fuzz
CVE-2019-8811: Soyeon Park of SSLab at Georgia Tech
CVE-2019-8812: JunDong Xie of Ant-financial Light-Year Security Lab
CVE-2019-8816: Soyeon Park of SSLab at Georgia Tech
CVE-2019-8820: Samuel Groß of Google Project Zero
Additional recognition
boringssl
We would like to acknowledge Nimrod Aviram of Tel Aviv University, Robert Merget of Ruhr University Bochum, Juraj Somorovsky of Ruhr University Bochum for their assistance.
CFNetwork
We would like to acknowledge Lily Chen of Google for their assistance.
Kernel
We would like to acknowledge Daniel Roethlisberger of Swisscom CSIRT, Jann Horn of Google Project Zero for their assistance.
Safari
We would like to acknowledge Ron Summers, Ronald van der Meer for their assistance.
WebKit
We would like to acknowledge Zhiyi Zhang of Codesafe Team of Legendsec at Qi'anxin Group for their assistance.
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