Portswigger
  • Portswigger
  • Server-Side Request Forgery
    • Server-Side Request Forgery (SSRF)
  • SSRF with filter bypass via open redirection vulnerability
  • Blind SSRF with out-of-band detection
  • Cross-Site Scripting
    • Cross-Site Scripting (XSS)
  • Reflected XSS into a JS string with angle brackets and double&single quotes HTML-encoded escape
  • XSS into a template literal w/ angle brackets, single, double quotes, backslash & backticks Escaped
  • Authentication
    • Authentication
  • Username enumeration via subtly different responses
  • 2FA broken logic
  • Username enumeration via response timing
  • Username enumeration via account lock
  • Password reset poisoning via middleware
  • Path Traversal
    • Path Traversal
  • File path traversal, traversal sequences stripped with superfluous URL-decode
  • File path traversal, traversal sequences blocked with absolute path bypass
  • Business Logic Vulnerabilities
    • Business Logic Vulnerabilities
  • Insufficient workflow validation
  • Inconsistent handling of exceptional input
  • Server-Side Template Injection
    • Server-Side Template Injection
  • Basic server-side template injection
  • Basic server-side template injection (code context)
  • SQL Injection
    • SQL Injection
    • Blind SQL injection with conditional responses
  • SQL injection UNION attack, retrieving data from other tables
  • SQL injection attack, listing the database contents on non-Oracle databases
  • API Testing
    • API Testing
  • Exploiting an API endpoint using documentation
  • Exploiting a mass assignment vulnerability
  • Finding and exploiting an unused API endpoint
  • JWT ATTACK
    • JWT Attack
    • JWT authentication bypass via unverified signature
  • JWT authentication bypass via jku header injection
  • JWT authentication bypass via flawed signature verification
  • HTTP HOST HEADER ATTACKS
    • HTTP Host header attacks
  • Basic password reset poisoning
  • Host header authentication bypass
  • No SQL Injection
    • NoSQL Injection
  • Detecting NoSQL injection
  • Exploiting NoSQL operator injection to bypass authentication
  • Exploiting NoSQL injection to extract data
  • FILE UPLOAD VULNERABILITIES
    • File Upload Vulnerabilities
  • Web shell upload via obfuscated file extension
  • OAuth Authentication
    • OAuth Authentication
  • OAuth account hijacking via redirect_uri
  • ACCESS CONTROL VULNERABILITIES
    • Access Control Vulnerabilities
  • User ID controlled by request parameter with data leakage in redirect
  • User ID controlled by request parameter with password disclosure
  • User role controlled by request parameter
  • User role can be modified in user profile
  • URL-based access control can be circumvented
  • INFORMATION DISCLOSURE VULNERABILITIES
    • Information Disclosure Vulnerabilities
  • Information disclosure in version control history
  • XML external entity injection
    • XML External Entity (XXE) Injection
  • Exploiting XXE using external entities to retrieve files
  • Exploiting blind XXE to retrieve data via error messages
  • Blind XXE with out-of-band interaction
  • Blind XXE with out-of-band interaction via XML parameter entities
  • OS COMMAND INJECTION
    • OS Command Injection
  • Blind OS command injection with out-of-band data exfiltration
  • PROTOTYPE POLLUTION
    • Prototype Pollution
  • Privilege escalation via server-side prototype pollution
  • WEB CACHE POISONING
    • Web Cache Poisoning
  • Web cache poisoning via an unkeyed query parameter
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User role can be modified in user profile

Link: https://portswigger.net/web-security/access-control/lab-user-role-can-be-modified-in-user-profile

PreviousUser role controlled by request parameterNextURL-based access control can be circumvented

Last updated 3 months ago

Description:

This lab has an admin panel at /admin. It's only accessible to logged-in users with a roleid of 2.

Solve the lab by accessing the admin panel and using it to delete the user carlos.

You can log in to your own account using the following credentials: wiener:peter

Proof of concept:

  1. Analisa web target menggunakan akun testing

  2. Ketika mengakses admin panel yang terdapat di endpoint /admin menggunakan akun testing, hal tersebut tidak dapat dilakukan dikarenakan user testing bukan akun dengan role administrator

  3. Periksa fitur POST pada ubah email akun. Lakukan analisa request dan response yang diberikan menggunakan burp suite

  4. Terlihat pada response yang diberikan ketika melakukan perubahan email, didapati terdapat parameter roleid dengan nilai 1. Coba untuk menambahkan parameter roleid pada request endpoint perubahan email tersebut. Isi nilai 2 pada parameter roleid tersebut

  5. Seperti yang dapat dilihat pada gambar diatas ketika telah dikirim, response yang diberikan nilai pada parameter roleid telah berhasil diubah menjadi 2 . Kemudian lakukan refresh pada halaman aplikasi. Terlihat tersedia navigasi untuk ke fitur Admin Panel. Yang membuktikan, akun testing telah berubah role menjadi role administrator

  6. Untuk menyelesaikan tangtangan pada challenge ini, hapus akun carlos pada fitur yang terdapat di Admin Panel

Thanks, Stay Ethical & Happy Hacking! 🍻