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AUSCERT External Security Bulletin Redistribution
ESB-2017.0198
tvOS 10.1.1
24 January 2017
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AusCERT Security Bulletin Summary
---------------------------------
Product: Apple tvOS
Publisher: Apple
Operating System: Apple iOS
Impact/Access: Root Compromise -- Remote with User Interaction
Execute Arbitrary Code/Commands -- Remote with User Interaction
Reduced Security -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2017-2373 CVE-2017-2370 CVE-2017-2369
CVE-2017-2365 CVE-2017-2363 CVE-2017-2362
CVE-2017-2360 CVE-2017-2356 CVE-2017-2355
CVE-2017-2354 CVE-2017-2350 CVE-2016-8687
Reference: ESB-2017.0196
ESB-2017.0195.2
Original Bulletin:
https://support.apple.com/kb/HT201222
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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
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===========================================================================
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The University of Queensland
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