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AUSCERT External Security Bulletin Redistribution
ESB-2016.1775
APPLE-SA-2016-07-18-4 tvOS 9.2.2
19 July 2016
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Apple tvOS
Publisher: Apple
Operating System: Apple iOS
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Administrator Compromise -- Existing Account
Access Privileged Data -- Remote with User Interaction
Denial of Service -- Remote/Unauthenticated
Cross-site Scripting -- Remote with User Interaction
Provide Misleading Information -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2016-4637 CVE-2016-4632 CVE-2016-4631
CVE-2016-4627 CVE-2016-4626 CVE-2016-4624
CVE-2016-4623 CVE-2016-4622 CVE-2016-4619
CVE-2016-4616 CVE-2016-4615 CVE-2016-4614
CVE-2016-4612 CVE-2016-4610 CVE-2016-4609
CVE-2016-4608 CVE-2016-4607 CVE-2016-4594
CVE-2016-4592 CVE-2016-4591 CVE-2016-4589
CVE-2016-4588 CVE-2016-4587 CVE-2016-4586
CVE-2016-4585 CVE-2016-4584 CVE-2016-4583
CVE-2016-4582 CVE-2016-4483 CVE-2016-4449
CVE-2016-4448 CVE-2016-1865 CVE-2016-1864
CVE-2016-1863 CVE-2016-1684
Reference: ESB-2016.1774
ESB-2016.1772
ESB-2016.1771
ESB-2016.1452
ESB-2016.1398
Original Bulletin:
https://support.apple.com/en-au/HT206905
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APPLE-SA-2016-07-18-4 tvOS 9.2.2
tvOS 9.2.2 is now available and addresses the following:
CoreGraphics
Available for: Apple TV (4th generation)
Impact: A remote attacker may be able to execute arbitrary code
Description: A memory corruption issue was addressed through
improved memory handling.
CVE-2016-4637 : Tyler Bohan of Cisco Talos (talosintel.com
/vulnerability-reports)
ImageIO
Available for: Apple TV (4th generation)
Impact: A remote attacker may be able to execute arbitrary code
Description: Multiple memory corruption issues were addressed
through improved memory handling.
CVE-2016-4631 : Tyler Bohan of Cisco Talos (talosintel.com
/vulnerability-reports)
ImageIO
Available for: Apple TV (4th generation)
Impact: A remote attacker may be able to cause a denial of service
Description: A memory consumption issue was addressed through
improved memory handling.
CVE-2016-4632 : Evgeny Sidorov of Yandex
IOAcceleratorFamily
Available for: Apple TV (4th generation)
Impact: A local user may be able to execute arbitrary code with
kernel privileges
Description: A null pointer dereference was addressed through
improved validation.
CVE-2016-4627 : Ju Zhu of Trend Micro
IOHIDFamily
Available for: Apple TV (4th generation)
Impact: A local user may be able to execute arbitrary code with
kernel privileges
Description: A null pointer dereference was addressed through
improved input validation.
CVE-2016-4626 : Stefan Esser of SektionEins
Kernel
Available for: Apple TV (4th generation)
Impact: A local user may be able to execute arbitrary code with
kernel privileges
Description: Multiple memory corruption issues were addressed
through improved memory handling.
CVE-2016-1863 : Ian Beer of Google Project Zero
CVE-2016-1864 : Ju Zhu of Trend Micro
CVE-2016-4582 : Shrek_wzw and Proteas of Qihoo 360 Nirvan Team
Kernel
Available for: Apple TV (4th generation)
Impact: A local user may be able to cause a system denial of service
Description: A null pointer dereference was addressed through
improved input validation.
CVE-2016-1865 : Marco Grassi (@marcograss) of KeenLab (@keen_lab),
Tencent, CESG
libxml2
Available for: Apple TV (4th generation)
Impact: Multiple vulnerabilities in libxml2
Description: Multiple memory corruption issues were addressed
through improved memory handling.
CVE-2016-4448 : Apple
CVE-2016-4483 : Gustavo Grieco
CVE-2016-4614 : Nick Wellnhofe
CVE-2016-4615 : Nick Wellnhofer
CVE-2016-4616 : Michael Paddon
CVE-2016-4619 : Hanno Boeck
libxml2
Available for: Apple TV (4th generation)
Impact: Parsing a maliciously crafted XML document may lead to
disclosure of user information
Description: An access issue existed in the parsing of maliciously
crafted XML files. This issue was addressed through improved input
validation.
CVE-2016-4449 : Kostya Serebryany
libxslt
Available for: Apple TV (4th generation)
Impact: Multiple vulnerabilities in libxslt
Description: Multiple memory corruption issues were addressed
through improved memory handling.
CVE-2016-1684 : Nicolas Grégoire
CVE-2016-4607 : Nick Wellnhofer
CVE-2016-4608 : Nicolas Grégoire
CVE-2016-4609 : Nick Wellnhofer
CVE-2016-4610 : Nick Wellnhofer
CVE-2016-4612 : Nicolas Grégoire
Sandbox Profiles
Available for: Apple TV (4th generation)
Impact: A local application may be able to access the process list
Description: An access issue existed with privileged API calls. This
issue was addressed through additional restrictions.
CVE-2016-4594 : Stefan Esser of SektionEins
WebKit
Available for: Apple TV (4th generation)
Impact: Processing maliciously crafted web content may lead to a system
denial of service
Description: A memory consumption issue was addressed through
improved memory handling.
CVE-2016-4592 : Mikhail
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-2016-4586 : Apple
CVE-2016-4588 : Apple
CVE-2016-4589 : Tongbo Luo and Bo Qu of Palo Alto Networks
CVE-2016-4622 : Samuel Gross working with Trend Microâ\x{128}\x{153}s Zero Day
Initiative
CVE-2016-4623 : Apple
CVE-2016-4624 : Apple
WebKit
Available for: Apple TV (4th generation)
Impact: Processing maliciously crafted web content may result in the
disclosure of process memory
Description: A memory initialization issue was addressed through
improved memory handling.
CVE-2016-4587 : Apple
WebKit
Available for: Apple TV (4th generation)
Impact: Processing maliciously crafted web content may compromise user
information on the file system
Description: A permissions issue existed in the handling of the
location variable. This was addressed though additional ownership
checks.
CVE-2016-4591 : ma.la of LINE Corporation
WebKit
Available for: Apple TV (4th generation)
Impact: Processing maliciously crafted web content may disclose image data from
another website
Description: A timing issue existed in the processing of SVG. This
issue was addressed through improved validation.
CVE-2016-4583 : Roeland Krak
WebKit Page Loading
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-2016-4584 : Chris Vienneau
WebKit Page Loading
Available for: Apple TV (4th generation)
Impact: A malicious website may exfiltrate data cross-origin
Description: A cross-site scripting issue existed in Safari URL
redirection. This issue was addressed through improved URL validation
on redirection.
CVE-2016-4585 : Takeshi Terada of Mitsui Bussan Secure Directions,
Inc. (www.mbsd.jp)
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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