APPLE-SA-2018-10-30-5 tvOS 12.1
APPLE-SA-2018-10-30-5 tvOS 12.1
- Subject: APPLE-SA-2018-10-30-5 tvOS 12.1
- From: Apple Product Security <email@hidden>
- Date: Tue, 30 Oct 2018 11:58:39 -0700
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APPLE-SA-2018-10-30-5 tvOS 12.1
tvOS 12.1 is now available and addresses the following:
CoreCrypto
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: An attacker may be able to exploit a weakness in the
Miller-Rabin primality test to incorrectly identify prime numbers
Description: An issue existed in the method for determining prime
numbers. This issue was addressed by using pseudorandom bases for
testing of primes.
CVE-2018-4398: Martin Albrecht, Jake Massimo and Kenny Paterson of
Royal Holloway, University of London, and Juraj Somorovsky of Ruhr
University, Bochum
ICU
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: Processing a maliciously crafted string may lead to heap
corruption
Description: A memory corruption issue was addressed with improved
input validation.
CVE-2018-4394: an anonymous researcher
IPSec
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: An application may be able to gain elevated privileges
Description: An out-of-bounds read was addressed with improved input
validation.
CVE-2018-4371: Tim Michaud (@TimGMichaud) of Leviathan Security Group
Kernel
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A memory corruption issue was addressed by removing the
vulnerable code.
CVE-2018-4420: Mohamed Ghannam (@_simo36)
Kernel
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: An application may be able to read restricted memory
Description: A memory initialization issue was addressed with
improved memory handling.
CVE-2018-4413: Juwei Lin (@panicaII) of TrendMicro Mobile Security
Team
Kernel
Available for: Apple TV 4K and Apple TV (4th generation)
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-2018-4419: Mohamed Ghannam (@_simo36)
NetworkExtension
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: Connecting to a VPN server may leak DNS queries to a DNS
proxy
Description: A logic issue was addressed with improved state
management.
CVE-2018-4369: an anonymous researcher
WebKit
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: Multiple memory corruption issues were addressed with
improved memory handling.
CVE-2018-4372: HyungSeok Han, DongHyeon Oh, and Sang Kil Cha of KAIST
Softsec Lab, Korea
CVE-2018-4382: lokihardt of Google Project Zero
CVE-2018-4386: lokihardt of Google Project Zero
CVE-2018-4392: zhunki of 360 ESG Codesafe Team
CVE-2018-4416: lokihardt of Google Project Zero
WebKit
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: A malicious website may be able to cause a denial of service
Description: A resource exhaustion issue was addressed with improved
input validation.
CVE-2018-4409: Sabri Haddouche (@pwnsdx) of Wire Swiss GmbH
WebKit
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: Processing maliciously crafted web content may lead to code
execution
Description: A memory corruption issue was addressed with improved
validation.
CVE-2018-4378: an anonymous researcher, zhunki of 360 ESG Codesafe
Team
WiFi
Available for: Apple TV 4K and Apple TV (4th generation)
Impact: An attacker in a privileged position may be able to perform a
denial of service attack
Description: A denial of service issue was addressed with improved
validation.
CVE-2018-4368: Milan Stute and Alex Mariotto of Secure Mobile
Networking Lab at Technische Universität Darmstadt
Additional recognition
Certificate Signing
We would like to acknowledge Yiğit Can YILMAZ (@yilmazcanyigit) for
their assistance.
Security
We would like to acknowledge Marinos Bernitsas of Parachute for their
assistance.
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."
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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