FKIE_CVE-2017-6920

Vulnerability from fkie_nvd - Published: 2018-08-06 15:29 - Updated: 2024-11-21 03:30
Severity ?
9.8 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Drupal core 8 before versions 8.3.4 allows remote attackers to execute arbitrary code due to the PECL YAML parser not handling PHP objects safely during certain operations.
References
mlhess@drupal.orghttp://www.securityfocus.com/bid/99211Third Party Advisory, VDB Entry
mlhess@drupal.orghttp://www.securitytracker.com/id/1038781Third Party Advisory, VDB Entry
mlhess@drupal.orghttps://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/2017-06-21/drupal-core-multiplePatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/99211Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1038781Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/2017-06-21/drupal-core-multiplePatch, Vendor Advisory
Impacted products
Vendor Product Version
drupal drupal *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B0C572FD-C76D-4714-85A3-5CFF9F292C2C",
              "versionEndExcluding": "8.3.4",
              "versionStartIncluding": "8.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Drupal core 8 before versions 8.3.4 allows remote attackers to execute arbitrary code due to the PECL YAML parser not handling PHP objects safely during certain operations."
    },
    {
      "lang": "es",
      "value": "Drupal core 8 en versiones anteriores a la 8.3.4 permite que los atacantes remotos ejecuten c\u00f3digo arbitrario debido a que el analizador PECL YAML no maneja objetos PHP de forma segura durante determinadas operaciones."
    }
  ],
  "id": "CVE-2017-6920",
  "lastModified": "2024-11-21T03:30:48.797",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-08-06T15:29:00.237",
  "references": [
    {
      "source": "mlhess@drupal.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/99211"
    },
    {
      "source": "mlhess@drupal.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securitytracker.com/id/1038781"
    },
    {
      "source": "mlhess@drupal.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/2017-06-21/drupal-core-multiple"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/99211"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securitytracker.com/id/1038781"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://www.drupal.org/forum/newsletters/security-advisories-for-drupal-core/2017-06-21/drupal-core-multiple"
    }
  ],
  "sourceIdentifier": "mlhess@drupal.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-19"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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