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CVE-2016-6656

Estado: ModificadaAlta (7.2)—

An issue was discovered in Pivotal Greenplum before 4.3.10.0. Creation of external tables using GPHDFS protocol has a vulnerability whereby arbitrary commands can be injected into the system. In order to exploit this vulnerability the user must have superuser 'gpadmin' access to the system or have been granted GPHDFS protocol permissions in order to create a GPHDFS external table.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Pivotal Software — Greenplum

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2016-6656",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.2,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.2
      }
    ]
  },
  "affected": [
    {
      "source": "security_alert@emc.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Pivotal Greenplum 4.3.0.0 to 4.3.9.1 and older versions that are end of life",
          "versions": [
            {
              "status": "affected",
              "version": "Pivotal Greenplum 4.3.0.0 to 4.3.9.1 and older versions that are end of life"
            }
          ]
        }
      ]
    }
  ],
  "published": "2016-12-16T09:59:00.230",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/94954",
      "source": "security_alert@emc.com"
    },
    {
      "url": "https://pivotal.io/security/cve-2016-6656",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "source": "security_alert@emc.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/94954",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://pivotal.io/security/cve-2016-6656",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-77"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Pivotal Greenplum before 4.3.10.0. Creation of external tables using GPHDFS protocol has a vulnerability whereby arbitrary commands can be injected into the system. In order to exploit this vulnerability the user must have superuser 'gpadmin' access to the system or have been granted GPHDFS protocol permissions in order to create a GPHDFS external table."
    },
    {
      "lang": "es",
      "value": "Ha sido descubierto un problema en Pivotal Greenplum en versiones anteriores a 4.3.10.0. La creación de tablas externas usando el protocolo GPHDFS tiene una vulnerabilidad por la cual se pueden inyectar comandos arbitrarios en el sistema. Para explotar esta vulnerabilidad, el usuario debe tener acceso de superusuario 'gpadmin' al sistema o habersele concedido permisos de protocolo GPHDFS para crear una tabla externa de GPHDFS."
    }
  ],
  "lastModified": "2026-06-17T00:51:32.500",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:pivotal_software:greenplum:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3286813A-D4A4-40DA-9251-6B6ED0D4D8C9",
              "versionEndIncluding": "4.3.9.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "security_alert@emc.com"
}