This document describes the security content of Apple TV 5.1.
For the protection of our customers, Apple does not disclose, discuss, or confirm security issues until a full investigation has occurred and any necessary patches or releases are available. To learn more about Apple Product Security, see the Apple Product Security website.
For information about the Apple Product Security PGP Key, see "How to use the Apple Product Security PGP Key."
Where possible, CVE IDs are used to reference the vulnerabilities for further information.
To learn about other Security Updates, see "Apple Security Updates".
Apple TV 5.1
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Apple TV
Available for: Apple TV 2nd generation and later
Impact: Viewing a maliciously crafted movie file may lead to an unexpected application termination or arbitrary code execution
Description: An uninitialized memory access existed in the handling of Sorenson encoded movie files. This issue was addressed through improved memory initialization.
CVE-ID
CVE-2012-3722 : Will Dormann of the CERT/CC
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Apple TV
Available for: Apple TV 2nd generation and later
Impact: A malicious Wi-Fi network may be able to determine networks a device has previously accessed
Description: Upon connecting to a Wi-Fi network, iOS may broadcast MAC addresses of previously accessed networks per the DNAv4 protocol. This issue was addressed by disabling DNAv4 on unencrypted Wi-Fi networks
CVE-ID
CVE-2012-3725 : Mark Wuergler of Immunity, Inc.
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Apple TV
Available for: Apple TV 2nd generation and later
Impact: Viewing a maliciously crafted TIFF file may lead to an unexpected application termination or arbitrary code execution
Description: A buffer overflow existed in libtiff's handling of ThunderScan encoded TIFF images. This issue was addressed by updating libtiff to version 3.9.5.
CVE-ID
CVE-2011-1167
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Apple TV
Available for: Apple TV 2nd generation and later
Impact: Viewing a maliciously crafted PNG image may lead to an unexpected application termination or arbitrary code execution
Description: Multiple memory corruption issues existed in libpng's handling of PNG images. These issues were addressed through improved validation of PNG images.
CVE-ID
CVE-2011-3026 : Jüri Aedla
CVE-2011-3048
CVE-2011-3328
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Apple TV
Available for: Apple TV 2nd generation and later
Impact: Viewing a maliciously crafted JPEG image may lead to an unexpected application termination or arbitrary code execution
Description: A double free issue existed in ImageIO's handling of JPEG images. This issue was addressed through improved memory management.
CVE-ID
CVE-2012-3726 : Phil of PKJE Consulting
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Apple TV
Available for: Apple TV 2nd generation and later
Impact: Viewing a maliciously crafted TIFF image may lead to an unexpected application termination or arbitrary code execution
Description: An integer overflow issue existed in libTIFF's handling of TIFF images. This issue was addressed through improved validation of TIFF images. This issue does not affect OS X Mountain Lion systems.
CVE-ID
CVE-2012-1173
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Apple TV
Available for: Apple TV 2nd generation and later
Impact: Applications that use ICU may be vulnerable to an unexpected application termination or arbitrary code execution
Description: A stack buffer overflow existed in the handling of ICU locale IDs. This issue was addressed through improved bounds checking.
CVE-ID
CVE-2011-4599
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Apple TV
Available for: Apple TV 2nd generation and later
Impact: An attacker with a privileged network position may cause an unexpected application termination or arbitrary code execution
Description: Multiple vulnerabilities existed in libxml, the most serious of which may lead to an unexpected application termination or arbitrary code execution. These issues were addressed by applying the relevant upstream patches.
CVE-ID
CVE-2011-1944 : Chris Evans of Google Chrome Security Team
CVE-2011-2821 : Yang Dingning of NCNIPC, Graduate University of Chinese Academy of Sciences
CVE-2011-2834 : Yang Dingning of NCNIPC, Graduate University of Chinese Academy of Sciences
CVE-2011-3919 : Jüri Aedla
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Apple TV
Available for: Apple TV 2nd generation and later
Impact: An attacker with a privileged network position may cause an unexpected application termination or arbitrary code execution
Description: Multiple memory corruption issues existed in JavaScriptCore. These issues were addressed through improved memory handling.
CVE-ID
CVE-2012-0682 : Apple Product Security
CVE-2012-0683 : Dave Mandelin of Mozilla
CVE-2012-3589 : Dave Mandelin of Mozilla
CVE-2012-3590 : Apple Product Security
CVE-2012-3591 : Apple Product Security
CVE-2012-3592 : Apple Product Security
CVE-2012-3678 : Apple Product Security
CVE-2012-3679 : Chris Leary of Mozilla