This issue was addressed with improved handling of symlinks. This issue is fixed in iOS 18.1 and iPadOS 18.1, iOS 17.7.1 and iPadOS 17.7.1, visionOS 2.1, tvOS 18.1. Restoring a maliciously crafted backup file may lead to modification of protected system files.
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
Link | Tags |
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https://support.apple.com/en-us/121566 | release notes vendor advisory |
https://support.apple.com/en-us/121567 | release notes vendor advisory |
https://support.apple.com/en-us/121569 | release notes vendor advisory |
https://support.apple.com/en-us/121563 | release notes vendor advisory |