APPLE-SA-2017-01-23-4 tvOS 10.1.1

APPLE-SA-2017-01-23-4 tvOS 10.1.1

tvOS 10.1.1 is now available and addresses the following:

Kernel
Available for:  Apple TV (4th generation)
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A buffer overflow issue was addressed through improved
memory handling.
CVE-2017-2370: Ian Beer of Google Project Zero

Kernel
Available for:  Apple TV (4th generation)
Impact: An application may be able to execute arbitrary code with
kernel privileges
Description: A use after free issue was addressed through improved
memory management.
CVE-2017-2360: Ian Beer of Google Project Zero

libarchive
Available for:  Apple TV (4th generation)
Impact: Unpacking a maliciously crafted archive may lead to arbitrary
code execution
Description: A buffer overflow issue was addressed through improved
memory handling.
CVE-2016-8687: Agostino Sarubbo of Gentoo

WebKit
Available for:  Apple TV (4th generation)
Impact: Processing maliciously crafted web content may exfiltrate
data cross-origin
Description: A prototype access issue was addressed through improved
exception handling.
CVE-2017-2350: Gareth Heyes of Portswigger Web Security

WebKit
Available for:  Apple TV (4th generation)
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: Multiple memory corruption issues were addressed through
improved memory handling.
CVE-2017-2354: Neymar of Tencent's Xuanwu Lab (tencent.com) working
with Trend Micro's Zero Day Initiative
CVE-2017-2362: Ivan Fratric of Google Project Zero
CVE-2017-2373: Ivan Fratric of Google Project Zero

WebKit
Available for:  Apple TV (4th generation)
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: A memory initialization issue was addressed through
improved memory handling.
CVE-2017-2355: Team Pangu and lokihardt at PwnFest 2016

WebKit
Available for:  Apple TV (4th generation)
Impact: Processing maliciously crafted web content may lead to
arbitrary code execution
Description: Multiple memory corruption issues were addressed through
improved input validation.
CVE-2017-2356: Team Pangu and lokihardt at PwnFest 2016
CVE-2017-2369: Ivan Fratric of Google Project Zero

WebKit
Available for:  Apple TV (4th generation)
Impact: Processing maliciously crafted web content may exfiltrate
data cross-origin
Description: Multiple validation issues existed in the handling of
page loading. This issue was addressed through improved logic.
CVE-2017-2363: lokihardt of Google Project Zero

WebKit
Available for:  Apple TV (4th generation)
Impact: Processing maliciously crafted web content may exfiltrate
data cross-origin
Description: A validation issue existed in variable handling. This
issue was addressed through improved validation.
CVE-2017-2365: lokihardt of Google Project Zero

Additional recognition

WebKit hardening
We would like to acknowledge Ben Gras, Kaveh Razavi, Erik Bosman,
Herbert Bos, and Cristiano Giuffrida of the vusec group at
Vrije Universiteit Amsterdam 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/