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Race you to the kernel!

🗓️ 22 Mar 2016 00:00:00Reported by GoogleProjectZeroType 
googleprojectzero
 googleprojectzero
🔗 googleprojectzero.blogspot.com👁 44 Views

The OS X and iOS kernel code allows a short race window to manipulate memory of an euid 0 process before the old task port is invalidated. Reported to Apple on December 16th 2015, patched in OS X 10.11.4/iOS 9.3 as CVE-2016-1757. Task ports duality & execve syscall complexity explained

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