Open-source Autoswagger Exposes API Authorisation Flaws

 

Autoswagger is a free, open-source tool designed to scan OpenAPI-documented APIs for broken authorization vulnerabilities. These vulnerabilities remain common, even among organizations with strong security postures, and pose a significant risk as they can be exploited easily. 

Key features and approach

API Schema Detection: Begins with a list of organization domains and scans for OpenAPI/Swagger documentation across various formats and locations. 

Endpoint Enumeration: Parses the discovered API specs to automatically generate a comprehensive list of endpoints along with their required parameters. 

Authorization Testing: Sends requests to endpoints using valid parameters and flags those that return successful responses instead of the expected HTTP 401/403, highlighting potential improper or missing access control. 
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