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Apple Security Advisory 2020-11-13-4

Apple Security Advisory 2020-11-13-4
Posted Nov 13, 2020
Authored by Apple | Site apple.com

Apple Security Advisory 2020-11-13-4 - tvOS 14.0 addresses buffer overflow, code execution, cross site scripting, denial of service, information leakage, out of bounds read, out of bounds write, and use-after-free vulnerabilities.

tags | advisory, denial of service, overflow, vulnerability, code execution, xss
systems | apple
advisories | CVE-2020-10013, CVE-2020-13434, CVE-2020-13435, CVE-2020-13630, CVE-2020-13631, CVE-2020-15358, CVE-2020-9849, CVE-2020-9876, CVE-2020-9943, CVE-2020-9944, CVE-2020-9947, CVE-2020-9949, CVE-2020-9950, CVE-2020-9951, CVE-2020-9952, CVE-2020-9954, CVE-2020-9961, CVE-2020-9965, CVE-2020-9966, CVE-2020-9968, CVE-2020-9969, CVE-2020-9976, CVE-2020-9979, CVE-2020-9981, CVE-2020-9983, CVE-2020-9991
MD5 | e65d5de230a8b7448d59d553c86fe14c

Apple Security Advisory 2020-11-13-4

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APPLE-SA-2020-11-13-4 Additional information for
APPLE-SA-2020-09-16-2 tvOS 14.0

tvOS 14.0 addresses the following issues. Information about the
security content is also available at
https://support.apple.com/HT211843.

Assets
Available for: Apple TV 4K and Apple TV HD
Impact: An attacker may be able to misuse a trust relationship to
download malicious content
Description: A trust issue was addressed by removing a legacy API.
CVE-2020-9979: CodeColorist of LightYear Security Lab of AntGroup
Entry updated November 12, 2020

Audio
Available for: Apple TV 4K and Apple TV HD
Impact: A malicious application may be able to read restricted memory
Description: An out-of-bounds read was addressed with improved bounds
checking.
CVE-2020-9943: JunDong Xie of Ant Group Light-Year Security Lab
Entry added November 12, 2020

Audio
Available for: Apple TV 4K and Apple TV HD
Impact: An application may be able to read restricted memory
Description: An out-of-bounds read was addressed with improved bounds
checking.
CVE-2020-9944: JunDong Xie of Ant Group Light-Year Security Lab
Entry added November 12, 2020

CoreAudio
Available for: Apple TV 4K and Apple TV HD
Impact: Playing a malicious audio file may lead to arbitrary code
execution
Description: A buffer overflow issue was addressed with improved
memory handling.
CVE-2020-9954: Francis working with Trend Micro Zero Day Initiative,
JunDong Xie of Ant Group Light-Year Security Lab
Entry added November 12, 2020

CoreCapture
Available for: Apple TV 4K and Apple TV HD
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A use after free issue was addressed with improved
memory management.
CVE-2020-9949: Proteas
Entry added November 12, 2020

Disk Images
Available for: Apple TV 4K and Apple TV HD
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: An out-of-bounds read was addressed with improved input
validation.
CVE-2020-9965: Proteas
CVE-2020-9966: Proteas
Entry added November 12, 2020

ImageIO
Available for: Apple TV 4K and Apple TV HD
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-2020-9961: Xingwei Lin of Ant Security Light-Year Lab
Entry added November 12, 2020

ImageIO
Available for: Apple TV 4K and Apple TV HD
Impact: Opening a maliciously crafted PDF file may lead to an
unexpected application termination or arbitrary code execution
Description: An out-of-bounds write issue was addressed with improved
bounds checking.
CVE-2020-9876: Mickey Jin of Trend Micro
Entry added November 12, 2020

Keyboard
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 state
management.
CVE-2020-9976: Rias A. Sherzad of JAIDE GmbH in Hamburg, Germany

libxml2
Available for: Apple TV 4K and Apple TV HD
Impact: Processing a maliciously crafted file may lead to arbitrary
code execution
Description: A use after free issue was addressed with improved
memory management.
CVE-2020-9981: found by OSS-Fuzz
Entry added November 12, 2020

Sandbox
Available for: Apple TV 4K and Apple TV HD
Impact: A local user may be able to view senstive user information
Description: An access issue was addressed with additional sandbox
restrictions.
CVE-2020-9969: Wojciech Reguła of SecuRing (wojciechregula.blog)
Entry added November 12, 2020

Sandbox
Available for: Apple TV 4K and Apple TV HD
Impact: A malicious application may be able to access restricted
files
Description: A logic issue was addressed with improved restrictions.
CVE-2020-9968: Adam Chester (@_xpn_) of TrustedSec
Entry updated September 17, 2020

SQLite
Available for: Apple TV 4K and Apple TV HD
Impact: A remote attacker may be able to cause a denial of service
Description: This issue was addressed with improved checks.
CVE-2020-13434
CVE-2020-13435
CVE-2020-9991
Entry added November 12, 2020

SQLite
Available for: Apple TV 4K and Apple TV HD
Impact: Multiple issues in SQLite
Description: Multiple issues were addressed by updating SQLite to
version 3.32.3.
CVE-2020-15358
Entry added November 12, 2020

SQLite
Available for: Apple TV 4K and Apple TV HD
Impact: A maliciously crafted SQL query may lead to data corruption
Description: This issue was addressed with improved checks.
CVE-2020-13631
Entry added November 12, 2020

SQLite
Available for: Apple TV 4K and Apple TV HD
Impact: A remote attacker may be able to leak memory
Description: An information disclosure issue was addressed with
improved state management.
CVE-2020-9849
Entry added November 12, 2020

SQLite
Available for: Apple TV 4K and Apple TV HD
Impact: A remote attacker may be able to cause arbitrary code
execution
Description: A memory corruption issue was addressed with improved
state management.
CVE-2020-13630
Entry added November 12, 2020

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-2020-9947: cc working with Trend Micro Zero Day Initiative
CVE-2020-9950: cc working with Trend Micro Zero Day Initiative
CVE-2020-9951: Marcin 'Icewall' Noga of Cisco Talos
Entry added November 12, 2020

WebKit
Available for: Apple TV 4K and Apple TV HD
Impact: Processing maliciously crafted web content may lead to code
execution
Description: An out-of-bounds write issue was addressed with improved
bounds checking.
CVE-2020-9983: zhunki
Entry added November 12, 2020

WebKit
Available for: Apple TV 4K and Apple TV HD
Impact: Processing maliciously crafted web content may lead to a
cross site scripting attack
Description: An input validation issue was addressed with improved
input validation.
CVE-2020-9952: Ryan Pickren (ryanpickren.com)

Wi-Fi
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-2020-10013: Yu Wang of Didi Research America
Entry added November 12, 2020

Additional recognition

Audio
We would like to acknowledge JunDong Xie and XingWei Lin of Ant-
financial Light-Year Security Lab for their assistance.
Entry added November 12, 2020

Bluetooth
We would like to acknowledge Andy Davis of NCC Group and Dennis
Heinze (@ttdennis) of TU Darmstadt, Secure Mobile Networking Lab for
their assistance.

Clang
We would like to acknowledge Brandon Azad of Google Project Zero for
their assistance.
Entry added November 12, 2020

Core Location
We would like to acknowledge Yiğit Can YILMAZ (@yilmazcanyigit) for
their assistance.

iAP
We would like to acknowledge Andy Davis of NCC Group for their
assistance.

Kernel
We would like to acknowledge Brandon Azad of Google Project Zero,
Stephen Röttger of Google for their assistance.
Entry updated November 12, 2020

Location Framework
We would like to acknowledge Nicolas Brunner
(linkedin.com/in/nicolas-brunner-651bb4128) for their assistance.
Entry updated October 19, 2020

Safari
We would like to acknowledge Ryan Pickren (ryanpickren.com) for their
assistance.
Entry added November 12, 2020

WebKit
We would like to acknowledge Pawel Wylecial of REDTEAM.PL, Ryan
Pickren (ryanpickren.com), Tsubasa FUJII (@reinforchu), Zhiyang
Zeng(@Wester) of OPPO ZIWU Security Lab for their assistance.
Entry added November 12, 2020

Installation note:

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."

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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