{
  "id": "CVE-2022-21770",
  "sourceIdentifier": "security@mediatek.com",
  "published": "2022-07-06T14:15:17.433",
  "lastModified": "2022-07-14T11:15:03.337",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In sound driver, there is a possible information disclosure due to symlink following. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06558663; Issue ID: ALPS06558663."
    },
    {
      "lang": "es",
      "value": "En sound driver, Se presenta una posible divulgaci\u00f3n de informaci\u00f3n debido al seguimiento de enlaces simb\u00f3licos. Esto podr\u00eda conllevar a una divulgaci\u00f3n de informaci\u00f3n local con los privilegios de ejecuci\u00f3n System requeridos. No es requerida una interacci\u00f3n del usuario para su explotaci\u00f3n. ID del parche: ALPS06558663; ID de incidencia: ALPS06558663"
    }
  ],
  "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:U/C:H/I:H/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 6.7,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 0.8,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "accessVector": "LOCAL",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.6
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 3.9,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-59"
        }
      ]
    }
  ],
  "configurations": [
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "109DD7FD-3A48-4C3D-8E1A-4433B98E1E64"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "F8FB8EE9-FC56-4D5E-AE55-A5967634740C"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:mediatek:mt6781:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "C4EEE021-6B2A-47A0-AC6B-55525A40D718"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:mediatek:mt6877:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "7CA9352F-E9BD-4656-9B7C-4AFEE2C78E58"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:mediatek:mt6879:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "704BE5CE-AE08-4432-A8B0-4C8BD62148AD"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:mediatek:mt6893:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "213B5C7F-D965-4312-9CDF-4F06FA77D401"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "E0CA45C9-7BFE-4C93-B2AF-B86501F763AB"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:mediatek:mt6983:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "EB6B9A26-F8A1-4322-AA4E-CDF8F7D99000"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:mediatek:mt8791:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "9CD2C3EC-B62D-4616-964F-FDBE5B14A449"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:mediatek:mt8797:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "2B469BF4-5961-42E9-814B-1BE06D182E45"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:mediatek:mt8798:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "637CAAD2-DCC0-4F81-B781-5D0536844CA8"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://corp.mediatek.com/product-security-bulletin/July-2022",
      "source": "security@mediatek.com",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}