Description
Clever saml2-js 2.0 and earlier may incorrectly utilize the results of XML DOM traversal and canonicalization APIs in such a way that an attacker may be able to manipulate the SAML data without invalidating the cryptographic signature, allowing the attack to potentially bypass authentication to SAML service providers.
Remediation
References
https://www.kb.cert.org/vuls/id/475445
https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations