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APPLE-SA-2008-10-02 Apple TV 2.2
Apple TV 2.2 is now available and addresses the following issues:
Apple TV CVE-ID: CVE-2007-4674 Available for: Apple TV 1.0 and 2.1 Impact: Viewing a maliciously crafted movie file may lead to an unexpected application termination or arbitrary code execution. Description: An integer arithmetic issue in the handling of certain movie file atoms may lead to a stack buffer overflow. Opening a maliciously crafted movie file may lead to an unexpected application termination or arbitrary code execution. This update addresses the issue through improved handling of atom length fields in movie files. Credit to Cody Pierce of TippingPoint DVLabs for reporting this issue.
Apple TV CVE-ID: CVE-2008-3626 Available for: Apple TV 1.0 and 2.1 Impact: Viewing a maliciously crafted movie file may lead to an unexpected application termination or arbitrary code execution Description: A memory corruption issue exists in the handling of STSZ atoms in movie files. Viewing a maliciously crafted movie file may lead to an unexpected application termination or arbitrary code execution. This update addresses the issue through improved bounds checking of STSZ atoms. Credit to an anonymous researcher working with TippingPoint's Zero Day Initiative for reporting this issue.
Apple TV CVE-ID: CVE-2008-3629 Available for: Apple TV 1.0 and 2.1 Impact: Opening a maliciously crafted PICT image may lead to an unexpected application termination Description: An out-of-bounds read issue exists in the handling of PICT images. Opening a maliciously crafted PICT image may lead to an unexpected application termination. This update addresses the issue by performing additional validation of PICT images. Credit to Sergio 'shadown' Alvarez of n.runs AG for reporting this issue.
The Apple TV device will automatically check Apple's update server on its weekly schedule. When an update is detected, it will download it, verify its signature, and install it.
This process may take up to a week depending on the day that the Apple TV device checks for updates. Alternatively, you may manually update your Apple TV using the TV interface by selecting Settings > Update Software.
This update is only available directly to the Apple TV, and will not appear in your computer's Software Update application, or in the Apple Downloads site.
To check that the Apple TV has been updated, use the TV interface:
* Navigate to Settings * Select About * The Software Version after applying this update will be "2.2" * To exit the About screen to the main menu, press Menu
Information will also be posted to the Apple Security Updates web site: http://support.apple.com/kb/HT1222
This message is signed with Apple's Product Security PGP key, and details are available at: http://www.apple.com/support/security/pgp/
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