CVE-2017-2370

0x00. Introduction This privilege escalation exploits a vulnerability in machvoucherextractattrrecipetrap, and the core of the exploitation method is through MACHMSGOOLPORTSDESCRIPTOR messages. Regarding machmsg ool, simply put, when sending an msg containing an ool descriptor, the kernel copies...

Apple OS XiOS - mach_ports_register Multiple Memory Safety s

Apple OS XiOS - machportsregister Multiple Memory Safety s Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=882 machportsregister is a kernel task port MIG method. It's defined in MIG like this: routine machportsregister targettask : taskt; initportset : machportarrayt = ^array o...

Apple OS X/iOS - 'mach_ports_register' Multiple Memory Safety s

Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=882 machportsregister is a kernel task port MIG method. It's defined in MIG like this: routine machportsregister targettask : taskt; initportset : machportarrayt = ^array of machportt; Looking at the generated code for this we noti...