Security Knowledge Framework
  • Introduction
  • Auth Bypass
    • Python - Auth Bypass
    • NodeJS - Auth Bypass
  • Auth Bypass - 1
    • Python - Auth Bypass - 1
    • NodeJS - Auth Bypass - 1
    • Java - Auth Bypass - 1
  • Auth Bypass - 2
    • Python - Auth Bypass - 2
    • NodeJS - Auth Bypass - 2
    • Java - Auth Bypass - 2
  • Auth-bypass - 3
    • Python - Auth-bypass - 3
    • NodeJS - Auth-bypass - 3
    • Java - Auth-bypass - 3
  • Auth-bypass - Simple
    • Python - Auth-bypass - Simple
    • NodeJS - Auth-bypass - Simple
    • Java - Auth-bypass - Simple
  • Client Side Restriction Bypass
    • Python - Client Side Restriction Bypass
    • NodeJS - Client Side Restriction Bypass
    • Java - Client Side Restriction Bypass
  • Client Side Restriction Bypass - Harder
    • Python - Client Side Restriction Bypass - Harder
    • NodeJS - Client Side Restriction Bypass - Harder
    • Java - Client Side Restriction Bypass - Harder
  • Client Side Template Injection (CSTI)
    • Python - Client Side Template Injection (CSTI)
    • NodeJS - Client Side Template Injection (CSTI)
    • Java - Client Side Template Injection (CSTI)
  • Command Injection (CMD)
    • Python - Command Injection (CMD)
    • NodeJS - Command Injection (CMD)
    • Java - Command Injection (CMD)
  • Command Injection 2 (CMD-2)
    • Python - Command Injection 2 (CMD-2)
    • NodeJS - Command Injection 2 (CMD-2)
    • Java - Command Injection 2 (CMD-2)
  • Command Injection 3 (CMD-3)
    • Python - Command Injection 3 (CMD-3)
    • Java - Command Injection 3 (CMD-3)
  • Command Injection 4 (CMD-4)
    • Python - Command Injection 4 (CMD-4)
    • NodeJS - Command Injection 4 (CMD-4)
    • Java - Command Injection 4 (CMD-4)
  • Command Injection Blind (CMD-Blind)
    • Python - Command Injection Blind (CMD-Blind)
    • NodeJS - Command Injection Blind (CMD-Blind)
    • Java - Command Injection Blind (CMD-Blind)
  • Content-Security-Policy (CSP)
    • Python - Content-Security-Policy (CSP)
    • NodeJS - Content-Security-Policy (CSP)
    • Java - Content-Security-Policy (CSP)
  • CORS exploitation
    • Python - CORS exploitation
    • Java - CORS exploitation
  • Credentials Guessing
    • Python - Credentials Guessing
    • NodeJS - Credentials Guessing
    • Java - Credentials Guessing
  • Credentials Guessing - 2
    • Python - Credentials Guessing - 2
    • NodeJS - Credentials Guessing - 2
    • Java - Credentials Guessing - 2
  • Cross Site Scripting (XSS)
    • Python - XSS
    • NodeJS - XSS
    • Java - XSS
  • Cross Site Scripting - Attribute (XSS-Attribute)
    • Python - XSS-Attribute
    • NodeJS - XSS-Attribute
  • Cross Site Scripting - href (XSS-href)
    • Python - XSS-href
    • NodeJS - XSS-href
    • Java - XSS-href
  • Cross Site Scripting - DOM (XSS-DOM)
    • Python - XSS-DOM
    • NodeJS - XSS-DOM
    • Java - XSS-DOM
  • Cross Site Scripting - DOM-2 (XSS-DOM-2)
    • Python - XSS-DOM-2
    • NodeJS - XSS-DOM-2
    • Java - XSS-DOM-2
  • Cross Site Scripting - Stored (XSS-Stored)
    • Java - XSS-Stored
  • CSRF
    • Python - CSRF
    • NodeJS - CSRF
    • Java - CSRF
  • CSRF - Samesite
    • Python - CSRF-SameSite
    • NodeJS - CSRF-SameSite
    • Java - CSRF-SameSite
  • CSRF - Weak
    • Python - CSRF-Weak
    • NodeJS - CSRF-Weak
    • Java - CSRF-Weak
  • CSS Injection (CSSI)
    • Python - CSS Injection (CSSI)
    • NodeJS - CSS Injection (CSSI)
    • Java - CSS Injection (CSSI)
  • Deserialisation Java (DES-Java)
    • Java - Deserialisation Java (DES-Java)
  • Deserialisation Yaml (DES-Yaml)
    • Python - Deserialisation Yaml (DES-Yaml)
  • Deserialisation Pickle (DES-Pickle)
    • Python - Deserialisation Pickle (DES-Pickle)
  • Deserialisation Pickle 2 (DES-Pickle-2)
    • Python - Deserialisation Pickle 2 (DES-Pickle-2)
  • DoS Regex
    • Python - DoS Regex
    • NodeJS - DoS Regex
    • Java - DoS Regex
  • File upload
    • Python - File-Upload
    • NodeJS - File-Upload
    • Java - File-Upload
  • Formula Injection
    • Python - Formula Injection
    • NodeJS - Formula Injection
    • Java - Formula Injection
  • GraphQL DOS
    • Python - GraphQL DOS
  • GraphQL IDOR
    • Python - GraphQL IDOR
    • NodeJS - GraphQL IDOR
    • Java - GraphQL IDOR
  • GraphQL Injections
    • Python - GraphQL Injections
    • NodeJS - GraphQL Injections
    • Java - GraphQL Injections
  • GraphQL Introspection
    • Python - GraphQL Introspection
    • NodeJS - GraphQL Introspection
    • Java - GraphQL Introspection
  • GraphQL Mutations
    • Python - GraphQL Mutations
    • NodeJS - GraphQL Mutations
    • Java - GraphQL Mutations
  • Host Header Injection (Authentication Bypass)
    • Python - HttpOnly Session Hijacking XSS
  • HttpOnly Session Hijacking XSS
    • Python - HttpOnly Session Hijacking XSS
    • NodeJS - HttpOnly Session Hijacking XSS
    • Java - HttpOnly Session Hijacking XSS
  • Information Leakeage in Comments
    • Python - Information Leakeage in Comments
    • NodeJS - Information Leakeage in Comments
    • Java - Information Leakeage in Comments
  • Information Leakeage in Metadata
    • Python - Information Leakeage in Metadata
    • NodeJS - Information Leakeage in Metadata
    • Java - Information Leakeage in Metadata
  • Insecure Direct Object References (IDOR)
    • Python - Insecure Direct Object References (IDOR)
    • NodeJS - Insecure Direct Object References (IDOR)
    • Java - Insecure Direct Object References (IDOR)
  • JWT Null
    • Python - JWT Null
    • NodeJS - JWT Null
    • Java - JWT Null
  • JWT Secret
    • Python - JWT Secret
    • NodeJS - JWT Secret
    • Java - JWT Secret
  • Ldap Injection
    • Python - Ldap Injection
    • NodeJS - Ldap Injection
    • Java - Ldap Injection
  • Ldap Injection - harder
    • Python - Ldap Injection - harder
    • NodeJS - Ldap Injection - harder
    • Java - Ldap Injection - harder
  • Local File Inclusion 1 (LFI-1)
    • Python - Local File Inclusion 1 (LFI-1)
    • NodeJS - Local File Inclusion 1 (LFI-1)
    • Java - Local File Inclusion 1 (LFI-1)
  • Local File Inclusion 2 (LFI-2)
    • Python - Local File Inclusion 2 (LFI-2)
    • NodeJS - Local File Inclusion 2 (LFI-2)
    • Java - Local File Inclusion 2 (LFI-2)
  • Local File Inclusion 3 (LFI-3)
    • Python - Local File Inclusion 3 (LFI-3)
    • NodeJS - Local File Inclusion 3 (LFI-3)
    • Java - Local File Inclusion 3 (LFI-3)
  • Parameter Binding
    • Ruby - Parameter Binding
    • NodeJS - Parameter Binding
    • Java - Parameter Binding
  • Prototype Pollution
    • NodeJS - Prototype Pollution
  • Race Condition
    • Python - Race Condition
    • NodeJS - Race Condition
    • Java - Race Condition
  • Race Condition File-Write
    • Python - Race Condition File-Write
    • NodeJS - Race Condition File-Write
    • Java - Race Condition File-Write
  • Ratelimiting (Brute-force login)
    • Python - Ratelimiting
    • NodeJS - Ratelimiting
    • Java - Ratelimiting
  • Remote File Inclusion (RFI)
    • Python - Remote File Inclusion (RFI)
    • NodeJS - Remote File Inclusion (RFI)
    • Java - Remote File Inclusion (RFI)
  • Right To Left Override (RTLO)
    • Python - Right To Left Override (RTLO)
    • NodeJS - Right To Left Override (RTLO)
    • Java - Right To Left Override (RTLO)
  • Server Side Request Forgery (SSRF)
    • Python - Server Side Request Forgery (SSRF)
    • NodeJS - Server Side Request Forgery (SSRF)
  • Server Side Template Injection (SSTI)
    • Python - Server Side Template Injection (SSTI)
    • Java - Server Side Template Injection (SSTI)
  • Session Hijacking XSS
  • Session Puzzling
    • Python - Session Puzzling
    • NodeJS - Session Puzzling
    • Java - Session Puzzling
  • Session Management 1
    • Python - Session Management 1
  • SQLI (Union)
    • Python - SQLI (Union)
    • NodeJS - SQLI (Union)
    • Java - SQLI (Union)
  • SQLI Login Bypass
    • Python - Login Bypass
  • SQLI (Like)
    • Python - SQLI (Like)
    • NodeJS - SQLI (Like)
    • Java - SQLI (Like)
  • SQLI (Blind)
    • Python - SQLI (Blind)
    • NodeJS - SQLI (Blind)
    • Java - SQLI (Blind)
  • TLS Downgrade
    • Python - TLS Downgrade
  • Untrusted Sources (XSSI)
    • Python - Untrusted Sources (XSSI)
    • NodeJS - Untrusted Sources (XSSI)
    • Java - Untrusted Sources (XSSI)
  • URL Redirection
    • Python - URL Redirection
    • NodeJS - URL Redirection
    • Java - URL Redirection
  • URL Redirection - Harder
    • Python - URL Redirection - Harder
    • NodeJS - URL Redirection - Harder
    • Java - URL Redirection - Harder
  • URL Redirection - Harder-2
    • Python - URL Redirection - Harder-2
    • NodeJS - URL Redirection - Harder-2
    • Java - URL Redirection - Harder-2
  • WebSocket Message Manipulation
    • Python - WebSocket Message Manipulation
  • XML External Entity (XXE)
    • Python - XXE
    • NodeJS - XXE
    • Java - XXE
  • Exposed docker daemon
    • Python - Exposed docker daemon
  • Insecure Random
    • Python - Insecure Random
  • template item
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On this page
  • Running the app on Docker
  • Reconnaissance
  • Exploitation
  • Additional sources

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  1. Parameter Binding

Java - Parameter Binding

Running the app on Docker

$ sudo docker pull blabla1337/owasp-skf-lab:java-parameter-binding
$ sudo docker run -ti -p 127.0.0.1:5000:5000 blabla1337/owasp-skf-lab:java-parameter-binding

Now that the app is running let's go hacking!

Reconnaissance

Mass assignment is a computer vulnerability where an active record pattern in a web application is abused to modify data items that the user should not normally be allowed to access such as password, granted permissions, or administrator status.

Please take note of the following code in the User.java . This line of code will prove critical for exploiting the parameter binding attack.

@PostMapping("/create")
  public String createUser(User user, Model model) { // here is the issue
    authModel.createUser(user);
    model.addAttribute("content", "Your user has been created");
    return "index";
  }

To fully understand the attack we need to examine the properties "User" model, which looks like this:

public User(String username, String password, Boolean isAdmin) {
  this.username = username;
  this.password = password;
  this.isAdmin = isAdmin;
}

Exploitation

Now, let's examine the target application and determine the objective.

Let's register a new user

Log in as the new user

Let's register a new user and intercept the request on Burp.

As we saw in this line of code:

public String createUser(User user, Model model)

Maybe if we add another parameter in the request this parameter will also pass to our new User.

Now if we login.

Bingo! We have now created a new user with Admin privileges.

Additional sources

Please refer to the OWASP cheat sheet for a full complete description about parameter binding attacks.

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Last updated 2 years ago

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Mass Assignment - OWASP Cheat Sheet Series
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