Description
node SAML is a SAML 2.0 library based on the SAML implementation of passport-saml. A remote attacker may be able to bypass SAML authentication on a website using passport-saml. A successful attack requires that the attacker is in possession of an arbitrary IDP signed XML element. 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. Users should upgrade to node-saml version 4.0.0-beta5 or newer. Disabling SAML authentication may be done as a workaround.
Remediation
References
https://github.com/node-saml/node-saml/commit/c1f275c289c01921e58f5c70ce0fdbc5287e5fbe
https://github.com/node-saml/node-saml/security/advisories/GHSA-5p8w-2mvw-38pv
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CVE-2019-13506 Vulnerability in npm package devalue
CVE-2020-28482 Vulnerability in npm package fastify-csrf
CVE-2016-2164 Vulnerability in maven package org.apache.openmeetings:openmeetings-server