Non-standard JSON Web Token

owasp:api2:2019-jwt-best-practices

Rule Severity:

High

Ensure endpoints using JWT explicitly declare support for RFC8725 in the description
This rule applies at the API Specification level (OAS/Swagger).
RFC 8725 is the most current best practice of JWT use as published by the Internet Engineering Task Force (https://datatracker.ietf.org/doc/html/rfc8725)

1. How to Identify with Example Scenario

Find the text in bold to identify issues such as these in API specifications

securitySchemes: authType: # arbitrary name for the security scheme: type: oauth2 description: xyz # arbitrary description for the security scheme

2. How to Identify with Example Scenario

Find the text in bold to identify issues such as these in API specifications

securitySchemes: authType: # arbitrary name for the security scheme: type: http bearerFormat: jwt description: xyz # arbitrary description for the security scheme

1. How to Resolve with Example Scenario

Find the text in bold to identify issues such as these in API specifications

securitySchemes: authType: # arbitrary name for the security scheme: type: oauth2 description: RFC8725 Compliant JWT

2. How to Resolve with Example Scenario

Modify the text in bold to resolve issues such as these in API specifications

securitySchemes: authType: # arbitrary name for the security scheme: type: http bearerFormat: jwt description: RFC8725 Compliant JWT

References:

More findings

All Findings
Basic HTTP auth
Missing authentication
Undefined string limit
Undefined integer format
Credentials in URL
Missing additional properties

Resource center

Check the FireTail blog and research documents for up-to-date information.

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