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APPLE-SA-2010-08-11-1 iOS 4.0.2 Update for iPhone and iPod touch
iOS 4.0.2 Update for iPhone and iPod touch is now available and addresses the following:
FreeType CVE-ID: CVE-2010-1797 Available for: iOS 2.0 through 4.0.1 for iPhone 3G and later, iOS 2.1 through 4.0 for iPod touch (2nd generation) and later Impact: Viewing a PDF document with maliciously crafted embedded fonts may allow arbitrary code execution Description: A stack buffer overflow exists in FreeType's handling of CFF opcodes. Viewing a PDF document with maliciously crafted embedded fonts may allow arbitrary code execution. This issue is addressed through improved bounds checking.
IOSurface CVE-ID: CVE-2010-2973 Available for: iOS 2.0 through 4.0.1 for iPhone 3G and later, iOS 2.1 through 4.0 for iPod touch (2nd generation) and later Impact: Malicious code running as the user may gain system privileges Description: An integer overflow exists in the handling of IOSurface properties, which may allow malicious code running as the user to gain system privileges. This issue is addressed through improved bounds checking.
These updates are only available through iTunes, and will not appear in your computer's Software Update application, or in the Apple Downloads site. Make sure you have an Internet connection and have installed the latest version of iTunes from www.apple.com/itunes/
iTunes will automatically check Apple's update server on its weekly schedule. When an update is detected, it will download it. When the iPhone or iPod touch is docked, iTunes will present the user with the option to install the update. We recommend applying the update immediately if possible. Selecting Don't Install will present the option the next time you connect your iPhone or iPod touch.
The automatic update process may take up to a week depending on the day that iTunes checks for updates. You may manually obtain the update via the Check for Updates button within iTunes. After doing this, the update can be applied when your iPhone or iPod touch is docked to your computer.
To check that the iPhone or iPod touch has been updated:
* Navigate to Settings * Select General * Select About. The version after applying this update will be "4.0 (8A400)" or later.
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: https://www.apple.com/support/security/pgp/
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