FKIE_CVE-2019-18579

Vulnerability from fkie_nvd - Published: 2019-12-16 20:15 - Updated: 2026-06-17 02:25
Severity
6.8 (Medium) - CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Settings for the Dell XPS 13 2-in-1 (7390) BIOS versions prior to 1.1.3 contain a configuration vulnerability. The BIOS configuration for the "Enable Thunderbolt (and PCIe behind TBT) pre-boot modules" setting is enabled by default. A local unauthenticated attacker with physical access to a user's system can obtain read or write access to main memory via a DMA attack during platform boot.
References
security_alert@emc.comhttps://www.dell.com/support/article/SLN319808Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.dell.com/support/article/SLN319808Patch, Vendor Advisory
Impacted products
Vendor Product Version
dell xps_7390_firmware *
dell xps_7390 -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "CPG BIOS",
          "vendor": "Dell",
          "versions": [
            {
              "lessThan": "1.1.3",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "security_alert@emc.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:dell:xps_7390_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E0BBB0FF-E736-4AC7-A41A-DF330BFC5C0E",
              "versionEndExcluding": "1.1.3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:dell:xps_7390:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "CCF5CF43-8B82-438E-B9F9-CEF767B39AD6",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Settings for the Dell XPS 13 2-in-1 (7390) BIOS versions prior to 1.1.3 contain a configuration vulnerability. The BIOS configuration for the \"Enable Thunderbolt (and PCIe behind TBT) pre-boot modules\" setting is enabled by default. A local unauthenticated attacker with physical access to a user\u0027s system can obtain read or write access to main memory via a DMA attack during platform boot."
    },
    {
      "lang": "es",
      "value": "La configuraci\u00f3n de las versiones anteriores a 1.1.3 del Dell XPS 13 2-in-1 (7390) BIOS, contiene una vulnerabilidad de configuraci\u00f3n. La configuraci\u00f3n del BIOS para la configuraci\u00f3n \"Enable Thunderbolt (and PCIe behind TBT) pre-boot modules\" est\u00e1 habilitada por defecto. Un atacante local no autenticado con acceso f\u00edsico al sistema de un usuario puede obtener acceso de lectura o escritura a la memoria principal por medio de un ataque de tipo DMA durante el arranque de la plataforma."
    }
  ],
  "id": "CVE-2019-18579",
  "lastModified": "2026-06-17T02:25:07.960",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.2,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "PHYSICAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.6,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 0.9,
        "impactScore": 6.0,
        "source": "security_alert@emc.com",
        "type": "Secondary"
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "PHYSICAL",
          "availabilityImpact": "HIGH",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 0.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2019-12-16T20:15:15.930",
  "references": [
    {
      "source": "security_alert@emc.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://www.dell.com/support/article/SLN319808"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://www.dell.com/support/article/SLN319808"
    }
  ],
  "sourceIdentifier": "security_alert@emc.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-16"
        }
      ],
      "source": "security_alert@emc.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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