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Published: Dec 12, 2022 CVE number: CVE-2022-23505

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Overview

A remote attacker can bypass WSFed authentication on a website using passport-wsfed-saml2. A successful attack requires that the attacker is in possession of an arbitrary signed WSFed assertion. Depending on the IDP used, fully unauthenticated attacks (e.g without access to a valid user) might also be feasible if generation of a signed message can be triggered.

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Am I affected?

You are affected if you are using WSFed protocol with the passport-wsfed-saml2 library versions  <4.6.3. SAML2 protocol is not affected.

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How to fix that?

Upgrade to version >=4.6.3

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Will this update impact my users?

The fix provided in the patch will not affect your users.