APPLE-SA-2021-05-25-7 tvOS 14.6
APPLE-SA-2021-05-25-7 tvOS 14.6
- Subject: APPLE-SA-2021-05-25-7 tvOS 14.6
- From: Apple Product Security via Security-announce <email@hidden>
- Date: Tue, 25 May 2021 15:21:59 -0700
- Original-recipient: rfc822;email@hidden
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
APPLE-SA-2021-05-25-7 tvOS 14.6
tvOS 14.6 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/HT212532.
Audio
Available for: Apple TV 4K and Apple TV HD
Impact: Processing a maliciously crafted audio file may lead to
arbitrary code execution
Description: This issue was addressed with improved checks.
CVE-2021-30707: hjy79425575 working with Trend Micro Zero Day
Initiative
Audio
Available for: Apple TV 4K and Apple TV HD
Impact: Parsing a maliciously crafted audio file may lead to
disclosure of user information
Description: This issue was addressed with improved checks.
CVE-2021-30685: Mickey Jin (@patch1t) of Trend Micro
CoreAudio
Available for: Apple TV 4K and Apple TV HD
Impact: Processing a maliciously crafted audio file may disclose
restricted memory
Description: An out-of-bounds read was addressed with improved bounds
checking.
CVE-2021-30686: Mickey Jin of Trend Micro
Crash Reporter
Available for: Apple TV 4K and Apple TV HD
Impact: A malicious application may be able to modify protected parts
of the file system
Description: A logic issue was addressed with improved state
management.
CVE-2021-30727: Cees Elzinga
CVMS
Available for: Apple TV 4K and Apple TV HD
Impact: A local attacker may be able to elevate their privileges
Description: This issue was addressed with improved checks.
CVE-2021-30724: Mickey Jin (@patch1t) of Trend Micro
Heimdal
Available for: Apple TV 4K and Apple TV HD
Impact: A local user may be able to leak sensitive user information
Description: A logic issue was addressed with improved state
management.
CVE-2021-30697: Gabe Kirkpatrick (@gabe_k)
Heimdal
Available for: Apple TV 4K and Apple TV HD
Impact: A malicious application may cause a denial of service or
potentially disclose memory contents
Description: A memory corruption issue was addressed with improved
state management.
CVE-2021-30710: Gabe Kirkpatrick (@gabe_k)
ImageIO
Available for: Apple TV 4K and Apple TV HD
Impact: Processing a maliciously crafted image may lead to disclosure
of user information
Description: An out-of-bounds read was addressed with improved bounds
checking.
CVE-2021-30687: Hou JingYi (@hjy79425575) of Qihoo 360
ImageIO
Available for: Apple TV 4K and Apple TV HD
Impact: Processing a maliciously crafted image may lead to disclosure
of user information
Description: This issue was addressed with improved checks.
CVE-2021-30700: Ye Zhang(@co0py_Cat) of Baidu Security
ImageIO
Available for: Apple TV 4K and Apple TV HD
Impact: Processing a maliciously crafted image may lead to arbitrary
code execution
Description: This issue was addressed with improved checks.
CVE-2021-30701: Mickey Jin (@patch1t) of Trend Micro and Ye Zhang of
Baidu Security
ImageIO
Available for: Apple TV 4K and Apple TV HD
Impact: Processing a maliciously crafted ASTC file may disclose
memory contents
Description: This issue was addressed with improved checks.
CVE-2021-30705: Ye Zhang of Baidu Security
Kernel
Available for: Apple TV 4K and Apple TV HD
Impact: A malicious application may be able to execute arbitrary code
with kernel privileges
Description: A logic issue was addressed with improved validation.
CVE-2021-30740: Linus Henze (pinauten.de)
Kernel
Available for: Apple TV 4K and Apple TV HD
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A logic issue was addressed with improved state
management.
CVE-2021-30704: an anonymous researcher
Kernel
Available for: Apple TV 4K and Apple TV HD
Impact: Processing a maliciously crafted message may lead to a denial
of service
Description: A logic issue was addressed with improved state
management.
CVE-2021-30715: The UK's National Cyber Security Centre (NCSC)
Kernel
Available for: Apple TV 4K and Apple TV HD
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A buffer overflow was addressed with improved size
validation.
CVE-2021-30736: Ian Beer of Google Project Zero
LaunchServices
Available for: Apple TV 4K and Apple TV HD
Impact: A malicious application may be able to break out of its
sandbox
Description: This issue was addressed with improved environment
sanitization.
CVE-2021-30677: Ron Waisberg (@epsilan)
Security
Available for: Apple TV 4K and Apple TV HD
Impact: Processing a maliciously crafted certificate may lead to
arbitrary code execution
Description: A memory corruption issue in the ASN.1 decoder was
addressed by removing the vulnerable code.
CVE-2021-30737: xerub
WebKit
Available for: Apple TV 4K and Apple TV HD
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
WebKit
Available for: Apple TV 4K and Apple TV HD
Impact: Processing maliciously crafted web content may lead to
universal cross site scripting
Description: A cross-origin issue with iframe elements was addressed
with improved tracking of security origins.
CVE-2021-30744: Dan Hite of jsontop
WebKit
Available for: Apple TV 4K and Apple TV HD
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-2021-21779: Marcin Towalski of Cisco Talos
WebKit
Available for: Apple TV 4K and Apple TV HD
Impact: A malicious application may be able to leak sensitive user
information
Description: A logic issue was addressed with improved restrictions.
CVE-2021-30682: an anonymous researcher and 1lastBr3ath
WebKit
Available for: Apple TV 4K and Apple TV HD
Impact: Processing maliciously crafted web content may lead to
universal cross site scripting
Description: A logic issue was addressed with improved state
management.
CVE-2021-30689: an anonymous researcher
WebKit
Available for: Apple TV 4K and Apple TV HD
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: Multiple memory corruption issues were addressed with
improved memory handling.
CVE-2021-30749: an anonymous researcher and mipu94 of SEFCOM lab,
ASU. working with Trend Micro Zero Day Initiative
CVE-2021-30734: Jack Dates of RET2 Systems, Inc. (@ret2systems)
working with Trend Micro Zero Day Initiative
WebKit
Available for: Apple TV 4K and Apple TV HD
Impact: A malicious website may be able to access restricted ports on
arbitrary servers
Description: A logic issue was addressed with improved restrictions.
CVE-2021-30720: David Schütz (@xdavidhu)
WebKit
Available for: Apple TV 4K and Apple TV HD
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: An integer overflow was addressed with improved input
validation.
CVE-2021-30663: an anonymous researcher
Additional recognition
ImageIO
We would like to acknowledge Jzhu working with Trend Micro Zero Day
Initiative and an anonymous researcher for their assistance.
WebKit
We would like to acknowledge Chris Salls (@salls) of Makai Security
for their assistance.
Apple TV will periodically check for software updates. Alternatively,
you may manually check for software updates by selecting
"Settings -> System -> Software Update -> Update Software."
To check the current version of software, select
"Settings -> 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/
-----BEGIN PGP SIGNATURE-----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=BeQR
-----END PGP SIGNATURE-----
_______________________________________________
Do not post admin requests to the list. They will be ignored.
Security-announce mailing list (email@hidden)
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden