CVE-2017-11428 — Multiple SAML libraries may allow authentication bypass via incorrect XML canonicalization and DOM traversal

Affected: OneLogin Ruby-SAML

OneLogin Ruby-SAML 1.6.0 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.

USN-7309-1 — Ruby SAML vulnerabilities

Affected: Ubuntu:Pro:16.04:LTS: ruby-saml, Ubuntu:Pro:18.04:LTS: ruby-saml, Ubuntu:20.04:LTS: ruby-saml, Ubuntu:22.04:LTS: ruby-saml, Ubuntu:24.04:LTS: ruby-saml

It was discovered that Ruby SAML did not properly validate SAML responses. An unauthenticated attacker could use this vulnerability to log in as an abitrary user. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-5697)

It was discovered that Ruby SAML incorrectly utilized the results of XML DOM traversal and canonicalization APIs. An unauthenticated attacker could use this vulnerability to log in as an abitrary user. This issue only affected Ubuntu 16.04 LTS. (CVE-2017-11428)

It was discovered that Ruby SAML did not properly verify the signature of the SAML Response, allowing multiple elements with the same ID. An unauthenticated attacker could use this vulnerability to log in as an abitrary user. (CVE-2024-45409)

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CVE-2017-11428 — Multiple SAML libraries may allow authentication bypass via incorrect XML canonicalization and DOM traversal

USN-7309-1 — Ruby SAML vulnerabilities