{
  "schema_version": "1.4.0",
  "id": "GHSA-j8j8-348v-wfm3",
  "modified": "2024-10-25T21:17:28Z",
  "published": "2019-07-05T21:11:26Z",
  "aliases": [
    "CVE-2017-11427"
  ],
  "summary": "Python-saml allows manipulation of SAML data without invalidation of cryptographic signature",
  "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.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N"
    },
    {
      "type": "CVSS_V4",
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "python-saml"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.0"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-11427"
    },
    {
      "type": "WEB",
      "url": "https://github.com/SAML-Toolkits/python-saml/commit/fad881b4432febea69d70691dfed51c93f0de10f"
    },
    {
      "type": "WEB",
      "url": "https://duo.com/blog/duo-finds-saml-vulnerabilities-affecting-multiple-implementations"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/SAML-Toolkits/python-saml"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-j8j8-348v-wfm3"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/python-saml/PYSEC-2019-198.yaml"
    },
    {
      "type": "WEB",
      "url": "https://www.kb.cert.org/vuls/id/475445"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-287"
    ],
    "severity": "HIGH",
    "github_reviewed": true,
    "github_reviewed_at": "2020-06-16T21:42:49Z",
    "nvd_published_at": null
  }
}