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AUSCERT External Security Bulletin Redistribution
ESB-2016.2477
tvOS 10.0.1
25 October 2016
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Apple tvOS
Publisher: Apple
Operating System: Apple iOS
Impact/Access: Root Compromise -- Existing Account
Execute Arbitrary Code/Commands -- Remote with User Interaction
Overwrite Arbitrary Files -- Remote with User Interaction
Denial of Service -- Existing Account
Access Confidential Data -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2016-7579 CVE-2016-4680 CVE-2016-4679
CVE-2016-4677 CVE-2016-4675 CVE-2016-4673
CVE-2016-4669 CVE-2016-4665 CVE-2016-4664
CVE-2016-4660
Original Bulletin:
https://support.apple.com/en-au/HT207270
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APPLE-SA-2016-10-24-4 tvOS 10.0.1
tvOS 10.0.1 is now available and addresses the following:
CFNetwork Proxies
Available for: Apple TV (4th generation)
Impact: An attacker in a privileged network position may be able to
leak sensitive user information
Description: A phishing issue existed in the handling of proxy
credentials. This issue was addressed by removing unsolicited proxy
password authentication prompts.
CVE-2016-7579: Jerry Decime
CoreGraphics
Available for: Apple TV (4th generation)
Impact: Viewing a maliciously crafted JPEG file may lead to arbitrary
code execution
Description: A memory corruption issue was addressed through improved
memory handling.
CVE-2016-4673: Marco Grassi (@marcograss) of KeenLab (@keen_lab),
Tencent
FontParser
Available for: Apple TV (4th generation)
Impact: Parsing a maliciously crafted font may disclose sensitive
user information
Description: An out-of-bounds read was addressed through improved
bounds checking.
CVE-2016-4660: Ke Liu of Tencent's Xuanwu Lab
Kernel
Available for: Apple TV (4th generation)
Impact: An application may be able to disclose kernel memory
Description: A validation issue was addressed through improved input
sanitization.
CVE-2016-4680: Max Bazaliy of Lookout and in7egral
libarchive
Available for: Apple TV (4th generation)
Impact: A malicious archive may be able to overwrite arbitrary files
Description: An issue existed within the path validation logic for
symlinks. This issue was addressed through improved path
sanitization.
CVE-2016-4679: Omer Medan of enSilo Ltd
libxpc
Available for: Apple TV (4th generation)
Impact: An application may be able to execute arbitrary code with
root privileges
Description: A logic issue was addressed through additional
restrictions.
CVE-2016-4675: Ian Beer of Google Project Zero
Sandbox Profiles
Available for: Apple TV (4th generation)
Impact: An application may be able to retrieve metadata of photo
directories
Description: An access issue was addressed through additional sandbox
restrictions on third party applications.
CVE-2016-4664: Razvan Deaconescu, Mihai Chiroiu (University
POLITEHNICA of Bucharest); Luke Deshotels, William Enck (North
Carolina State University); Lucas Vincenzo Davi, Ahmad-Reza Sadeghi
(TU Darmstadt)
Sandbox Profiles
Available for: Apple TV (4th generation)
Impact: An application may be able to retrieve metadata of audio
recording directories
Description: An access issue was addressed through additional sandbox
restrictions on third party applications.
CVE-2016-4665: Razvan Deaconescu, Mihai Chiroiu (University
POLITEHNICA of Bucharest); Luke Deshotels, William Enck (North
Carolina State University); Lucas Vincenzo Davi, Ahmad-Reza Sadeghi
(TU Darmstadt)
System Boot
Available for: Apple TV (4th generation)
Impact: A local user may be able to cause an unexpected system
termination or arbitrary code execution in the kernel
Description: Multiple input validation issues existed in MIG
generated code. These issues were addressed through improved
validation.
CVE-2016-4669: Ian Beer of Google Project Zero
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-2016-4677: An anonymous researcher working with Trend Micro's
Zero Day Initiative
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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===========================================================================
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The University of Queensland
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