A Practical Guide to Attacking JWT (JSON Web Tokens)
Covers practical approach and different techniques for attacking JWT Tokens (JSON Web Tokens).
Content Overview
JWTs are quickly becoming the preferred format for securely exchanging data between clients and intermediaries as they have lower latency for authentication, don't need a centralized database, are stateless in nature, and provide exemplary implementations to prevent nefarious activities.
This article will provide a comprehensive overview of JSON Web tokens, how it works, and the various JWT-related attacks.
What are JSON Web Tokens?
Structure of JWT
How does JWT actually work?
Signing Algorithms
Types of Tokens
JWT Best Practices:
JWT Attack Scenarios
JWT Attack Scenarios Covered
- Failing to verify Signature
- None Algorithm attack
- Weak HMAC keys
- Algorithm Confusion Attack
- Attacks using the “jku” Parameter
- Abusing the kid Parameter
- Other Miscelleanous Issues
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Covers practical approach and different techniques for attacking JWT Tokens (JSON Web Tokens).
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