How do I fix an IDOR vulnerability?

The primary remediation is implementing server-side access control that validates if the currently authenticated user has explicit permission to access the requested object ID before returning data.

Can this skill help with automated security testing?

Yes, it provides specific configurations for tools like Burp Suite Intruder to automate the enumeration of IDs and detect authorization bypasses at scale.

What is an IDOR vulnerability?

IDOR (Insecure Direct Object Reference) occurs when an application provides direct access to objects based on user-supplied input, allowing attackers to bypass authorization and access data belonging to other users.

Does it support testing for UUIDs or GUIDs?

While UUIDs are harder to guess than sequential IDs, this skill includes techniques for discovering leaked UUIDs in JavaScript files, API responses, and error messages to test for IDOR.

IDOR Vulnerability Testing

Name: IDOR Vulnerability Testing
Author: claudiodearaujo

byclaudiodearaujo

•

Security & Testing

Provides systematic methodologies for detecting, exploiting, and remediating Insecure Direct Object Reference (IDOR) vulnerabilities in web applications.

This skill serves as a comprehensive guide for security professionals and developers to identify broken access control mechanisms where users can manipulate input to access unauthorized data. It covers various IDOR types, including database object references and static file exposures, while providing actionable workflows for manual parameter manipulation and automated enumeration using tools like Burp Suite. By following its structured approach, users can effectively map user IDs, execute horizontal and vertical escalation tests, and implement robust remediation strategies to secure sensitive API endpoints.

Key Features

01Guidance on using Burp Suite Intruder for high-volume authorization testing

021 GitHub stars

03Remediation code examples for implementing proper server-side ownership validation

04Step-by-step workflows for identifying IDOR in URL parameters and request bodies

05Comprehensive checklists for common vulnerable parameters and API endpoints

06Automated enumeration techniques for sequential IDs, UUIDs, and file paths

Use Cases

01Conducting security audits on multi-tenant web applications to prevent data leaks

02Penetration testing API endpoints for unauthorized access to user records

03Developing secure coding practices by following built-in remediation patterns

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add claudiodearaujo/sistema-de-narra-o-de-livro idor-testing

For use in Claude.ai and ChatGPT

Download Skill