{
  "id": "CVE-2022-36337",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2022-11-23T03:15:10.130",
  "lastModified": "2022-11-30T15:27:25.610",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. A stack buffer overflow vulnerability in the MebxConfiguration driver leads to arbitrary code execution. Control of a UEFI variable under the OS can cause this overflow when read by BIOS code."
    },
    {
      "lang": "es",
      "value": "Se descubri\u00f3 un problema en Insyde InsydeH2O con los kernels 5.0 a 5.5. Una vulnerabilidad de desbordamiento del b\u00fafer de pila en el controlador MebxConfiguration conduce a la ejecuci\u00f3n de c\u00f3digo arbitrario. El control de una variable UEFI en el sistema operativo puede provocar este desbordamiento cuando se lee mediante el c\u00f3digo BIOS."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 8.2,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 1.5,
        "impactScore": 6.0
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:insyde:kernel:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "5.0",
              "versionEndIncluding": "5.5",
              "matchCriteriaId": "DC5100FC-51F0-48D6-A4F0-782F1281DBF3"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.insyde.com/security-pledge",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://www.insyde.com/security-pledge/SA-2022039",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}