![]() ![]() Impact: A local user may be able to execute arbitrary filesĭescription: A URI parsing issue was addressed with improved parsing. Impact: A local user may be able to read arbitrary files as root This issue was addressed with improved permission validation. Impact: A local attacker may be able to elevate their privilegesĭescription: A permissions issue existed. ![]() Impact: A sandboxed process may be able to circumvent sandbox restrictions. Apple was aware of a report that this issue may have been actively exploited at the time of release.ĭescription: A deserialization issue was addressed through improved validation.ĬVE-2021-31010: Citizen Lab and Google Project Zero ![]() Apple is aware of a report that this issue may have been actively exploited.ĭescription: An integer overflow was addressed with improved input validation. Impact: Processing a maliciously crafted PDF may lead to arbitrary code execution. Impact: Processing a maliciously crafted image may lead to arbitrary code executionĭescription: A memory corruption issue was addressed with improved input validation.ĬVE-2021-30928: Mickey Jin of Trend Micro Impact: Processing a malicious audio file may result in unexpected application termination or arbitrary code executionĭescription: A logic issue was addressed with improved state management.ĬVE-2021-30834: JunDong Xie of Ant Security Light-Year Lab Impact: A malicious application may be able to execute arbitrary code with system privilegesĭescription: A memory corruption issue was addressed with improved memory handling. About Startup Security Utility and Must Enable from Recovery Mode the ability to boot from External Drive Before Attemptingġ - Shutdown computer and disconnect all external drive Except the newly created Bootable Installer.Ģ- Restart and immediately hold the OPTION key until the Startup Manager appears and choose the USB Drive.ģ - It will present options > Disk Utilities > View > View ALL attached Drives.Ĥ - Choose the Upper Most Drive ( not the volumes indented and list below ).ĥ - The drive normally is called Apple Media or Apple SSD - that is the drive to Erase and format as APFS with the GUID Partition Map.Ħ - Once that is done > backup out of Disk Utilities and choose install macOS.ħ - Follow the prompts and it may automatically reboot several time.Ĩ - Upon a final reboot - Setup Assist will present with the newer version of macOS.Impact: A local attacker may be able to read sensitive informationĭescription: This issue was addressed with improved checks.ĬVE-2021-30811: an anonymous researcher working with Compartir Once that is done read on for preparing the Destination computer > Special Notation - works on Intel Based Apple Computers & May on Apple Silicon M1 CPUĮxtra Special Notation regarding the Touch ID equipped Apple Computer. Example : Bootable Installer of Big Sur would have to be done on a computer that Qualifies to run Big Sur. This will have to be performed from a Qualifying Computer to run the version of macOS to be made on the Bootable Installer. To perform this action will require booting from a Bootable Installer. The below will Wipe the Entire Drive of everything - There are no Do Overs - period This should bring down the full version Big Sur 11.6 and place a New Application in Applications folder called Install Big Sur. Open Terminal and copy and paste without quotation marks " softwareupdate -fetch-full-installer -full-installer-version 11.6 " ![]()
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