A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in Security Update 2022-003 Catalina, macOS Big Sur 11.6.5, macOS Monterey 12.3. A local user may be able to write arbitrary 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 |
---|---|
https://support.apple.com/en-us/HT213183 | release notes vendor advisory |
https://support.apple.com/en-us/HT213184 | release notes vendor advisory |
https://support.apple.com/en-us/HT213185 | release notes vendor advisory |