Zachary Weeden zweed4u
zweed4u
/ unlocknvram.c
Created
December 20, 2017 23:13
— forked from stek29/unlocknvram.c
async_wake nvram
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| // iOS 11 moves OFVariables to const | |
| // https://twitter.com/s1guza/status/908790514178301952 | |
| // however, if we: | |
| // 1) Can find IODTNVRAM service | |
| // 2) Have tfp0 / kernel read|write|alloc | |
| // 3) Can leak kernel address of mach port | |
| // then we can fake vtable on IODTNVRAM object | |
| // async_wake satisfies those requirements | |
| // however, I wasn't able to actually set or get ANY nvram variable | |
| // not even userread/userwrite |