Finding Access Control Vulnerabilities with Autorize

Source: Black Hills Information Security Author: BHIS URL: https://www.blackhillsinfosec.com/finding-access-control-vulnerabilities-with-autorize/

  1. ONE SENTENCE SUMMARY: The OWASP Top 10 identifies broken access controls as critical vulnerabilities, emphasizing their prevalence and potential severity in web applications.

  2. MAIN POINTS:

  3. Broken Access Controls are now ranked as the top vulnerability in the OWASP Top 10.

  4. Access control enforces user permission policies to prevent unauthorized actions in applications.

  5. Vertical access control vulnerabilities occur when privilege restrictions are improperly enforced within an application.

  6. Horizontal access control vulnerabilities arise when users with equal privileges can access each other’s data.

  7. Autorize tool can help identify access control vulnerabilities during penetration testing.

  8. Firefox can be configured with multiple profiles to test different user authentication contexts.

  9. Jython is required for using certain Burp Suite extensions, including Autorize.

  10. Testing access controls involves observing application responses while authenticated with various user roles.

  11. Manual review of Autorize results is essential to determine actual access control enforcement.

  12. Access control vulnerabilities like Insecure Direct Object References pose significant risks, requiring careful testing.

  13. TAKEAWAYS:

  14. Broken Access Controls are critical vulnerabilities that must be prioritized in web applications.

  15. Understanding vertical and horizontal access control vulnerabilities is essential for proper security assessments.

  16. Tools like Autorize and Burp Suite are invaluable for penetration testing access controls.

  17. Proper configuration of testing environments enhances the efficiency of security testing.

  18. Continuous monitoring and manual review are necessary to ensure robust access control enforcement in applications.