{"id":"PYSEC-2019-198","details":"OneLogin PythonSAML 2.3.0 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.","aliases":["CVE-2017-11427","GHSA-j8j8-348v-wfm3"],"modified":"2023-11-08T03:58:49.295677Z","published":"2019-04-17T14:29:00Z","references":[{"type":"WEB","url":"https://www.kb.cert.org/vuls/id/475445"},{"type":"ARTICLE","url":"https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-j8j8-348v-wfm3"}],"affected":[{"package":{"name":"python-saml","ecosystem":"PyPI","purl":"pkg:pypi/python-saml"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.0"}]}],"versions":["2.0.0","2.0.1","2.0.2","2.1.0","2.1.1","2.1.2","2.1.3","2.1.4","2.1.5","2.1.6","2.1.7","2.1.8","2.1.9","2.2.0","2.2.1","2.2.2","2.2.3","2.3.0"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/python-saml/PYSEC-2019-198.yaml"}}],"schema_version":"1.7.3"}