{"id":"UBUNTU-CVE-2017-11428","details":"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.","modified":"2026-02-04T04:21:53.314850Z","published":"2019-04-17T14:29:00Z","related":["USN-7309-1"],"upstream":["CVE-2017-11428"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-11428"},{"type":"REPORT","url":"https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations"},{"type":"REPORT","url":"https://www.kb.cert.org/vuls/id/475445"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-11428"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7309-1"}],"affected":[{"package":{"name":"ruby-saml","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/ruby-saml@1.1.2-1ubuntu1+esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.2-1ubuntu1+esm1"}]}],"versions":["0.9.2-1","1.0.0-1","1.1.2-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.1.2-1ubuntu1+esm1","binary_name":"ruby-saml"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-11428.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}