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APPLE-SA-2020-07-15-4 watchOS 6.2.8

watchOS 6.2.8 is now available and addresses the following:

Audio
Available for: Apple Watch Series 1 and later
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-2020-9889: JunDong Xie and XingWei Li of Ant-financial Light-Year
Security Lab

Audio
Available for: Apple Watch Series 1 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 bounds
checking.
CVE-2020-9888: JunDong Xie and XingWei Li of Ant-financial Light-Year
Security Lab
CVE-2020-9890: JunDong Xie and XingWei Li of Ant-financial Light-Year
Security Lab
CVE-2020-9891: JunDong Xie and XingWei Li of Ant-financial Light-Year
Security Lab

Crash Reporter
Available for: Apple Watch Series 1 and later
Impact: A malicious application may be able to break out of its
sandbox
Description: A memory corruption issue was addressed by removing the
vulnerable code.
CVE-2020-9865: Zhuo Liang of Qihoo 360 Vulcan Team working with 360
BugCloud

GeoServices
Available for: Apple Watch Series 1 and later
Impact: A malicious application may be able to read sensitive
location information
Description: An authorization issue was addressed with improved state
management.
CVE-2020-9933: Min (Spark) Zheng and Xiaolong Bai of Alibaba Inc.

ImageIO
Available for: Apple Watch Series 1 and later
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-2020-9936: Mickey Jin of Trend Micro

Kernel
Available for: Apple Watch Series 1 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
memory handling.
CVE-2020-9923: Proteas

Kernel
Available for: Apple Watch Series 1 and later
Impact: An attacker that has already achieved kernel code execution
may be able to bypass kernel memory mitigations
Description: An out-of-bounds read was addressed with improved bounds
checking.
CVE-2020-9909: Brandon Azad of Google Project Zero

Messages
Available for: Apple Watch Series 1 and later
Impact: A user that is removed from an iMessage group could rejoin
the group
Description: An issue existed in the handling of iMessage tapbacks.
The issue was resolved with additional verification.
CVE-2020-9885: an anonymous researcher, Suryansh Mansharamani, of WWP
High School North (medium.com/@suryanshmansha)

WebKit
Available for: Apple Watch Series 1 and later
Impact: A remote attacker may be able to cause unexpected application
termination or arbitrary code execution
Description: An out-of-bounds read was addressed with improved input
validation.
CVE-2020-9894: 0011 working with Trend Micro Zero Day Initiative

WebKit
Available for: Apple Watch Series 1 and later
Impact: Processing maliciously crafted web content may prevent
Content Security Policy from being enforced
Description: An access issue existed in Content Security Policy.
This issue was addressed with improved access restrictions.
CVE-2020-9915: an anonymous researcher

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-2020-9925: an anonymous researcher

WebKit
Available for: Apple Watch Series 1 and later
Impact: A remote attacker may be able to cause unexpected application
termination or arbitrary code execution
Description: A use after free issue was addressed with improved
memory management.
CVE-2020-9893: 0011 working with Trend Micro Zero Day Initiative
CVE-2020-9895: Wen Xu of SSLab, Georgia Tech

WebKit
Available for: Apple Watch Series 1 and later
Impact: A malicious attacker with arbitrary read and write capability
may be able to bypass Pointer Authentication
Description: Multiple issues were addressed with improved logic.
CVE-2020-9910: Samuel Groß of Google Project Zero

WebKit Page Loading
Available for: Apple Watch Series 1 and later
Impact: A malicious attacker may be able to conceal the destination
of a URL
Description: A URL Unicode encoding issue was addressed with improved
state management.
CVE-2020-9916: Rakesh Mane (@RakeshMane10)

WebKit Web Inspector
Available for: Apple Watch Series 1 and later
Impact: Copying a URL from Web Inspector may lead to command
injection
Description: A command injection issue existed in Web Inspector. This
issue was addressed with improved escaping.
CVE-2020-9862: Ophir Lojkine (@lovasoa)

Wi-Fi
Available for: Apple Watch Series 1 and later
Impact: A remote attacker may be able to cause unexpected system
termination or corrupt kernel memory
Description: An out-of-bounds read was addressed with improved input
validation.
CVE-2020-9918: Jianjun Dai of 360 Alpha Lab working with 360 BugCloud
(bugcloud.360.cn)

Additional recognition

Kernel
We would like to acknowledge Brandon Azad of Google Project Zero for
their assistance.

Installation note:

Instructions on how to update your Apple Watch software are
available at https://support.apple.com/kb/HT204641

To check the version on your Apple Watch, open the Apple Watch app
on your iPhone and select "My Watch > General > About".

Alternatively, on your watch, select "My Watch > General > About".
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