Fähigkeiten IDOR Vulnerability Testing
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IDOR Vulnerability Testing

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Test for IDOR vulnerabilities in web applications

Auch verfĂĽgbar von: sickn33

Insecure Direct Object Reference vulnerabilities expose sensitive user data through predictable access controls. This skill provides systematic detection methodologies and exploitation techniques to identify and document IDOR flaws during authorized security assessments.

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Verwendung von "IDOR Vulnerability Testing". How do I test for IDOR in an address update endpoint?

Erwartetes Ergebnis:

Here is the systematic approach: First, capture a request where you update your own address. Note the userId parameter. Then, modify the userId to target another user's ID while keeping your session token. If the update succeeds, you have discovered an IDOR vulnerability. Verify by logging into the victim account and checking if the address changed.

Verwendung von "IDOR Vulnerability Testing". Show me how to use Burp Suite for IDOR testing

Erwartetes Ergebnis:

Configure Burp Suite by sending the target request to Intruder. Set attack type to Sniper and select the ID parameter as your payload position. Use numeric payloads ranging from 1 to 1000 with a step of 1. Start the attack and analyze responses. Any 200 status codes that return different user data indicate an IDOR vulnerability.

Sicherheitsaudit

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v1 • 2/25/2026

Static analysis detected 87 potential security patterns including external command execution references and cryptographic weak algorithms. All findings are FALSE POSITIVES - they represent documentation examples in markdown code blocks (curl commands, HTTP requests, shell examples) rather than executable code. The skill provides legitimate security testing guidance for authorized penetration testing with proper legal disclaimers and authorization requirements. No malicious intent or executable threats identified.

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Auditiert von: claude

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Was du bauen kannst

Penetration Testing Engagement

Security consultants use systematic IDOR detection methodologies during authorized web application assessments to identify access control bypasses in client applications.

Application Security Audit

Internal security teams evaluate their own applications for IDOR vulnerabilities before deployment by testing parameter manipulation and user context isolation.

Bug Bounty Hunting

Independent researchers discover IDOR flaws in publicly exposed applications and report findings through responsible disclosure programs.

Probiere diese Prompts

Basic IDOR Parameter Test 
I need to test the endpoint /api/user/profile?id={USER_ID} for IDOR vulnerabilities. I have two accounts: attacker (ID 1001) and victim (ID 1000). Walk me through the testing process step by step.
Burp Suite Intruder Setup 
Show me how to configure Burp Suite Intruder to enumerate user IDs from 1 to 1000 on the PUT /api/addresses/{id}/update endpoint. Include payload configuration and attack type selection.
File Download IDOR Detection 
The application serves PDF receipts at /download/receipt_{id}.pdf. I can download my own receipt (ID 205) but want to test if I can access other users' receipts. Provide a testing methodology.
Advanced IDOR Bypass Techniques 
All direct IDOR tests return 403 Forbidden. The endpoint uses UUIDs instead of sequential IDs. What alternative techniques should I try to bypass access controls including HTTP method switching and parameter pollution?

Bewährte Verfahren

  • Always obtain written authorization before conducting security testing on any application you do not own
  • Create dedicated test accounts with clearly identifiable data to enable easy verification of cross-user access
  • Document every test request including modified parameters, response codes, and observed behaviors for reproducible reports
  • Use automated enumeration tools judiciously to avoid disrupting production systems or triggering aggressive rate limiting

Vermeiden

  • Never modify or exfiltrate real user data during testing - create unique test data that can be identified without accessing production information
  • Do not perform enumeration attacks without understanding the application's rate limiting and account lockout policies
  • Avoid testing on production systems during peak hours when increased traffic could impact legitimate users or trigger anomaly detection
  • Never publicly disclose vulnerabilities without following responsible disclosure procedures and giving the vendor time to patch

Häufig gestellte Fragen

Is IDOR testing legal?
IDOR testing is legal only when you have explicit written authorization from the application owner. Unauthorized testing, even for security research, may violate computer fraud laws. Always use test environments or obtain permission before testing.
What is the difference between horizontal and vertical privilege escalation?
Horizontal privilege escalation occurs when a regular user accesses another regular user's data (user-to-user). Vertical privilege escalation occurs when a regular user gains administrative privileges (user-to-admin). IDOR vulnerabilities typically enable horizontal escalation but can lead to vertical escalation if admin accounts are discovered.
Can IDOR vulnerabilities exist if the application uses UUIDs?
Yes, UUIDs reduce enumeration risk but do not prevent IDOR. UUIDs can be leaked in API responses, JavaScript files, or error messages. Additionally, if an attacker discovers a valid UUID through other means, the application may still fail to verify ownership when that UUID is submitted.
What should I include in an IDOR vulnerability report?
Include the vulnerable endpoint with HTTP method, the original request and response, the modified request demonstrating the exploit, proof of unauthorized access such as screenshots or response data, business impact assessment, and recommended remediation steps with code examples.
How do I verify blind IDOR where the response does not show data ownership?
Create unique identifiable data in the victim account first, such as a distinctive address or name. Then attempt to modify or delete that data from the attacker account. If the unique data changes or disappears, you have confirmed blind IDOR even without direct response indicators.
What tools besides Burp Suite can detect IDOR vulnerabilities?
Tools like OWASP ZAP, Postman with collections, and custom scripts using Python with requests library can detect IDOR. Automated scanners like Acunetix and Burp Professional include IDOR detection modules, but manual testing often finds complex cases that automated tools miss.

Entwicklerdetails

Autor

zebbern

Lizenz

MIT

Repository

https://github.com/sickn33/antigravity-awesome-skills/tree/main/skills/idor-testing

Ref

main

Dateistruktur

đź“„ SKILL.md