FKIE_CVE-2020-0086

Vulnerability from fkie_nvd - Published: 2020-03-15 22:15 - Updated: 2026-06-17 02:45
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
In readCString of Parcel.cpp, there is a possible out of bounds write due to an integer overflow. This could lead to arbitrary code execution if IntSan were not enabled, which it is by default. No additional execution privileges are required. User interaction is not needed for exploitation. Product: Android Versions: Android-10 Android ID: A-131859347
References
security@android.comhttps://source.android.com/security/bulletin/android-10Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://source.android.com/security/bulletin/android-10Vendor Advisory
Impacted products
Vendor Product Version
google android 10.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Android",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "Android-10"
            }
          ]
        }
      ],
      "source": "security@android.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:google:android:10.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "D558D965-FA70-4822-A770-419E73BA9ED3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In readCString of Parcel.cpp, there is a possible out of bounds write due to an integer overflow. This could lead to arbitrary code execution if IntSan were not enabled, which it is by default. No additional execution privileges are required. User interaction is not needed for exploitation. Product: Android Versions: Android-10 Android ID: A-131859347"
    },
    {
      "lang": "es",
      "value": "En la funci\u00f3n readCString del archivo Parcel.cpp, se presenta una posible escritura fuera de l\u00edmites debido a un desbordamiento de enteros. Esto podr\u00eda conllevar a una ejecuci\u00f3n de c\u00f3digo arbitrario si IntSan no estuviera habilitado, lo cual es por defecto. Sin ser necesarios privilegios de ejecuci\u00f3n adicionales. No es requerida una interacci\u00f3n del usuario para su explotaci\u00f3n. Producto: Android, Versiones: Android-10, ID de Android: A-131859347"
    }
  ],
  "id": "CVE-2020-0086",
  "lastModified": "2026-06-17T02:45:13.070",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-03-15T22:15:13.973",
  "references": [
    {
      "source": "security@android.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://source.android.com/security/bulletin/android-10"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://source.android.com/security/bulletin/android-10"
    }
  ],
  "sourceIdentifier": "security@android.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-190"
        },
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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