{
  "id": "CVE-2017-8438",
  "sourceIdentifier": "bressers@elastic.co",
  "published": "2017-06-05T14:29:00.280",
  "lastModified": "2019-10-09T23:30:13.487",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "Elastic X-Pack Security versions 5.0.0 to 5.4.0 contain a privilege escalation bug in the run_as functionality. This bug prevents transitioning into the specified user specified in a run_as request. If a role has been created using a template that contains the _user properties, the behavior of run_as will be incorrect. Additionally if the run_as user specified does not exist, the transition will not happen."
    },
    {
      "lang": "es",
      "value": "Las versiones 5.0.0 hasta 5.4.0 de Elastic X-Pack Security contienen un error de escalaci\u00f3n de privilegios en la funcionalidad run_as. Este error impide la transici\u00f3n al usuario establecido, especificado en una petici\u00f3n de run_as. Si un rol ha sido creado utilizando una plantilla que contiene las propiedades de _user, el comportamiento de run_as ser\u00e1 incorrecto. Adem\u00e1s, si el usuario run_as especificado no existe, la transici\u00f3n no se pasar\u00e1."
    }
  ],
  "metrics": {
    "cvssMetricV30": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "SINGLE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.5
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.0,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ]
    },
    {
      "source": "bressers@elastic.co",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-284"
        }
      ]
    }
  ],
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  "references": [
    {
      "url": "https://discuss.elastic.co/t/elastic-stack-5-4-1-and-5-3-3-security-updates/87952",
      "source": "bressers@elastic.co",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.elastic.co/blog/elasticsearch-5-4-1-and-5-3-3-released",
      "source": "bressers@elastic.co",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.elastic.co/community/security",
      "source": "bressers@elastic.co",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}