HIGH7.7
GHSA-94hm-8q65-rmxm
OmniAuth-SAML authentication bypass via incorrect XML canonicalization and DOM traversal
Quick fix
GHSA-94hm-8q65-rmxm — omniauth-saml: upgrade to the fixed version with the command below.
bundle update omniauth-samlDetails
OmniAuth OmniAuth-SAML 1.9.0 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.
Are you affected?
Enter the version of the package you're using.
Affected packages
References
- https://nvd.nist.gov/vuln/detail/CVE-2017-11430[ADVISORY]
- https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations[WEB]
- https://github.com/omniauth/omniauth-saml[PACKAGE]
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/omniauth-saml/CVE-2017-11430.yml[WEB]
- https://www.kb.cert.org/vuls/id/475445[WEB]