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AUSCERT External Security Bulletin Redistribution
ESB-2021.1500
Apple security update for watchOS
4 May 2021
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AusCERT Security Bulletin Summary
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Product: watchOS
Publisher: Apple
Operating System: Apple iOS
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2021-30665
Original Bulletin:
https://support.apple.com/HT212339
Comment: Apple is aware of a report that this issue may have been actively exploited.
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APPLE-SA-2021-05-03-3 watchOS 7.4.1
watchOS 7.4.1 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/HT212339.
WebKit
Available for: Apple Watch Series 3 and later
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution. Apple is aware of a report that this issue
may have been actively exploited.
Description: A memory corruption issue was addressed with improved
state management.
CVE-2021-30665: yangkang (@dnpushme)&zerokeeper&bianliang of 360 ATA
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".
Information will also be posted to the Apple Security Updates
web site: https://support.apple.com/kb/HT201222
This message is signed with Apple's Product Security PGP key,
and details are available at:
https://www.apple.com/support/security/pgp/
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Australian Computer Emergency Response Team
The University of Queensland
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