{"id":"CVE-2017-11430","aliases":["EUVD-2019-0585","GHSA-94hm-8q65-rmxm"],"status":"published","title":"Multiple SAML libraries may allow authentication bypass via incorrect XML canonicalization and DOM traversal","description":"OmniAuth OmnitAuth-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.","severity":{"version":"3.0","score":7.7,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.02435,"percentile":0.84389,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287"],"published":"2019-04-17T14:00:30Z","modified":"2026-10-24T10:30:26Z","fixes":[{"ecosystem":"RubyGems","package":"omniauth-saml","fixed_in":["1.10.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"RubyGems","package":"omniauth-saml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.0"}]}]},{"source":"osv","ecosystem":"RubyGems","package":"omniauth-saml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.0"}]}],"versions":["0.9.0","0.9.1","0.9.2","1.0.0","1.1.0","1.2.0","1.3.0","1.3.1","1.4.0","1.4.1","1.4.2","1.5.0","1.6.0","1.7.0","1.8.0","1.8.1","1.9.0"]}],"products":[{"vendor":"omniauth","product":"omniauth_saml"},{"vendor":"omniauth","product":"omnitauth-saml"}],"references":[{"url":"https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations","tags":["x_refsource_MISC","x_transferred","Exploit","Technical Description","Third Party Advisory","evidence","web"]},{"url":"https://www.kb.cert.org/vuls/id/475445","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-11430","tags":["advisory"]},{"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/omniauth-saml/CVE-2017-11430.yml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-94hm-8q65-rmxm"},{"url":"https://github.com/omniauth/omniauth-saml","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2017-11430","title":"Multiple SAML libraries may allow authentication bypass via incorrect XML canonicalization and DOM traversal","description":"OmniAuth OmnitAuth-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.","status":"published","published":"2019-04-17T14:00:30Z","modified":"2024-08-05T18:12:39.543Z","cvss":[{"version":"3.0","score":7.7,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:33:19.848632Z"}],"euvd":[{"id":"EUVD-2019-0585","description":"OmniAuth OmnitAuth-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.","status":"published","published":"2019-04-17T14:00:30Z","modified":"2024-08-05T18:12:39Z","cvss":[{"version":"3.0","score":7.7,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-03T02:23:23.645757Z"}],"ghsa":[{"id":"GHSA-94hm-8q65-rmxm","title":"OmniAuth-SAML authentication bypass via incorrect XML canonicalization and DOM traversal","description":"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.","status":"published","published":"2019-07-05T21:11:43Z","modified":"2023-08-29T14:57:22Z","cvss":[{"version":"3.0","score":7.7,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:37:01.345964Z"}],"nvd":[{"id":"CVE-2017-11430","description":"OmniAuth OmnitAuth-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.","status":"published","published":"2019-04-17T14:29:00.433Z","modified":"2026-06-17T01:01:48.16Z","cvss":[{"version":"3.0","score":7.7,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"secondary"},{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:04:19.545286Z"}],"osv":[{"id":"CVE-2017-11430","description":"OmniAuth OmnitAuth-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.","status":"published","published":"2019-04-17T14:29:00.433Z","modified":"2026-10-24T10:30:26.142487203Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:03.851821Z"},{"id":"GHSA-94hm-8q65-rmxm","title":"OmniAuth-SAML authentication bypass via incorrect XML canonicalization and DOM traversal","description":"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.","status":"published","published":"2019-07-05T21:11:43Z","modified":"2024-02-16T08:19:52.688707Z","cvss":[{"version":"3.0","score":7.7,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:46:43.123867Z"}]}}