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CVE-2017-6964

Estado: ModificadaAlta (7.8)—

Dispositivo dmcrypt-get_ , como se envía en el paquete de eyección de Debian y Ubuntu, no comprueba el valor devuelto de la (1) setuid o (2) la función setgid, lo que podría provocar que dmcrypt-get-device ejecute el código, que estaba destinado a ejecutarse como usuario no privilegiado, como root.

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Esto afecta expulsar hasta la versión 2.1.5 + deb1 + cvs20081104-13.1 en Debian, expulsar en versiones anteriores a 2.1.5 + deb1 + cvs20081104-13.1ubuntu0.16.10.1 en Ubuntu 16.10, expulsar en versiones anteriores a 2.1.5 + deb1 + cvs20081104-13.1ubuntu0 .16.04.1 en Ubuntu 16.04 LTS, expulsar en verisones anteriores a 2.1.5 + deb1 + cvs20081104-13.1ubuntu0.14.04.1 en Ubuntu 14.04 LTS, y expulsar en versiones anteriores a 2.1.5 + deb1 + cvs20081104-9ubuntu0.1 en Ubuntu 12.04 LTS.

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 (2)

Canonical — Ubuntu LinuxDebian — Debian Linux

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2017-6964",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.2,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2017-03-28T01:59:01.287",
  "references": [
    {
      "url": "http://www.debian.org/security/2017/dsa-3823",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/97154",
      "tags": [
        "Broken Link",
        "Third Party Advisory",
        "VDB Entry"
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      "source": "cve@mitre.org"
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    {
      "url": "https://launchpad.net/bugs/1673627",
      "tags": [
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        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.ubuntu.com/usn/usn-3246-1/",
      "tags": [
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.debian.org/security/2017/dsa-3823",
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    {
      "url": "http://www.debian.org/security/2017/dsa-3823",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/97154",
      "tags": [
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        "VDB Entry"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "https://launchpad.net/bugs/1673627",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.ubuntu.com/usn/usn-3246-1/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-252"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "dmcrypt-get-device, as shipped in the eject package of Debian and Ubuntu, does not check the return value of the (1) setuid or (2) setgid function, which might cause dmcrypt-get-device to execute code, which was intended to run as an unprivileged user, as root. This affects eject through 2.1.5+deb1+cvs20081104-13.1 on Debian, eject before 2.1.5+deb1+cvs20081104-13.1ubuntu0.16.10.1 on Ubuntu 16.10, eject before 2.1.5+deb1+cvs20081104-13.1ubuntu0.16.04.1 on Ubuntu 16.04 LTS, eject before 2.1.5+deb1+cvs20081104-13.1ubuntu0.14.04.1 on Ubuntu 14.04 LTS, and eject before 2.1.5+deb1+cvs20081104-9ubuntu0.1 on Ubuntu 12.04 LTS."
    },
    {
      "lang": "es",
      "value": "Dispositivo dmcrypt-get_ , como se envía en el paquete de eyección de Debian y Ubuntu, no comprueba el valor devuelto de la (1) setuid o (2) la función setgid, lo que podría provocar que dmcrypt-get-device ejecute el código, que estaba destinado a ejecutarse como usuario no privilegiado, como root. Esto afecta expulsar hasta la versión 2.1.5 + deb1 + cvs20081104-13.1 en Debian, expulsar en versiones anteriores a 2.1.5 + deb1 + cvs20081104-13.1ubuntu0.16.10.1 en Ubuntu 16.10, expulsar en versiones anteriores a 2.1.5 + deb1 + cvs20081104-13.1ubuntu0 .16.04.1 en Ubuntu 16.04 LTS, expulsar en verisones anteriores a 2.1.5 + deb1 + cvs20081104-13.1ubuntu0.14.04.1 en Ubuntu 14.04 LTS, y expulsar en versiones anteriores a 2.1.5 + deb1 + cvs20081104-9ubuntu0.1 en Ubuntu 12.04 LTS."
    }
  ],
  "lastModified": "2026-06-17T01:23:23.430",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
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            },
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              "vulnerable": true,
              "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084"
            },
            {
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              "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B"
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            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.10:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1AFB20FA-CB00-4729-AB3A-816454C6D096"
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          "operator": "OR"
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  "sourceIdentifier": "cve@mitre.org"
}