Testing for Bypassing Authentication Schema (OTG-AUTHN-004)

OWASP Testing Guide v2 Table of Contents

Brief Summary

In this test we want to try to understand the authentication schema and if there are some method/attack to bypassing this schema.

Description of the Issue

...here: Short Description of the Issue: Topic and Explanation

Black Box testing and example

Bypassing authentication schema methods:

• Direct page request

In alcuni casi la richiesta di autenticazione della web application avviene solamente quando si cerca di accedere alla home page, mentre se si accedede a qualche risorsa richiamandola direttamente si puo' bypassare lo schem di autenticazione

• Parameter Modification

In alcuni casi l'autenticazione si basa sul valore con cui sono impostati alcuni parametri quindi e' sufficiente modificarli per bypassare lo schema di autenticazione

For example, /webapps/login?validUser=yes&isAutheticated=yes can be manually entered into the browser in an attempt to bypass the application server's authentication mechanism.

• Session Issue
  • Session ID Prediction
  • Session Fixation

• Sql Injection (HTML Form Auhtentication)

Gray Box testing and example

Testing for Topic X vulnerabilities:
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Result Expected:
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References

Whitepapers
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Tools
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OWASP Testing Guide v2

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