{
  "id": "CVE-2021-0664",
  "sourceIdentifier": "security@android.com",
  "published": "2021-11-18T15:15:08.770",
  "lastModified": "2024-11-21T05:43:06.387",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In ccu, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05827158; Issue ID: ALPS05827158."
    },
    {
      "lang": "es",
      "value": "En ccu, se presenta una posible corrupci\u00f3n de memoria debido a un uso de memoria previamente liberada. Esto podr\u00eda conllevar a una escalada de privilegios local con privilegios de ejecuci\u00f3n System requeridos. No es requerida una interacci\u00f3n del usuario para su explotaci\u00f3n. ID del Parche: ALPS05827158; ID del Problema: ALPS05827158."
    }
  ],
  "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",
          "baseScore": 6.7,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "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",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL"
        },
        "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-416"
        }
      ]
    }
  ],
  "configurations": [
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "D558D965-FA70-4822-A770-419E73BA9ED3"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "109DD7FD-3A48-4C3D-8E1A-4433B98E1E64"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:mediatek:mt6765:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "43E779F6-F0A0-4153-9A1D-B715C3A2F80E"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:mediatek:mt6768:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "06CD97E1-8A76-48B4-9780-9698EF5A960F"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:mediatek:mt6771:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "BE4D2AED-C713-407F-A34A-52C3D8F65835"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:mediatek:mt6779:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "EBA369B8-8E23-492B-82CC-23114E6A5D1C"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:mediatek:mt6785:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "A82E0A4F-072F-474C-B94C-8114ABE05639"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:mediatek:mt6833:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "9814939B-F05E-4870-90C0-7C0F6BAAEB39"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:mediatek:mt6853:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "366F1912-756B-443E-9962-224937DD7DFB"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:mediatek:mt6873:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "F6B8A36E-C5FB-44AE-A1C3-50EBF4C68F6B"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:mediatek:mt6877:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "7CA9352F-E9BD-4656-9B7C-4AFEE2C78E58"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:mediatek:mt6885:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "DD64413C-C774-4C4F-9551-89E1AA9469EE"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:mediatek:mt6889:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "3B787DC3-8E5A-4968-B20B-37B6257FAAE2"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:mediatek:mt8183:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "23F65D7B-31A1-4D94-82E9-254A7A6D7BE1"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:mediatek:mt8385:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "299378ED-41CE-4966-99B1-65D2BA1215EF"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:mediatek:mt8768:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "1CC6E254-11A9-49CE-83FE-6DAC23E7D7AA"
            },
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:mediatek:mt8788:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "FE10C121-F2AD-43D2-8FF9-A6C197858220"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://corp.mediatek.com/product-security-bulletin/November-2021",
      "source": "security@android.com",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://corp.mediatek.com/product-security-bulletin/November-2021",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}