This article discusses the importance of having a robust regression test suite for JWT (JSON Web Token) verification in production environments. Here are the key points:
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Smoke Tests vs Regression Suites:
- A smoke test confirms that JWT verification works.
- A regression suite ensures that JWT verification correctly rejects invalid tokens, including known security issues.
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Common JWT Verification Issues:
- The article mentions several common but subtle issues in JWT verification implementations that can lead to security vulnerabilities if not properly addressed:
- Accepting tokens with incorrect audience claims.
- Failing to reject tokens signed with invalid keys.
- Not enforcing required custom claims.
- The article mentions several common but subtle issues in JWT verification implementations that can lead to security vulnerabilities if not properly addressed:
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Eight Patterns for Regression Testing:
- The article outlines eight specific patterns or test cases that should be included in a JWT verification regression suite:
- Incorrect audience claim
- Invalid signature
- Missing required claim
- Forged signature
- JWKS (JSON Web Key Set) rotation drift
- Missing required claims
- Fuzzy hostname comparison for issuer validation
- Accepting tokens from incorrect issuers
- The article outlines eight specific patterns or test cases that should be included in a JWT verification regression suite:
Read the full article at DEV Community
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