{
  "id": "CVE-2020-0235",
  "sourceIdentifier": "security@android.com",
  "published": "2020-06-16T14:15:10.713",
  "lastModified": "2021-07-21T11:39:23.747",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "In crus_sp_shared_ioctl we first copy 4 bytes from userdata into \"size\" variable, and then use that variable as the size parameter for \"copy_from_user\", ending up overwriting memory following \"crus_sp_hdr\". \"crus_sp_hdr\" is a static variable, of type \"struct crus_sp_ioctl_header\".Product: AndroidVersions: Android kernelAndroid ID: A-135129430"
    },
    {
      "lang": "es",
      "value": "En la funci\u00f3n crus_sp_shared_ioctl primero copiamos 4 bytes desde los datos de usuario en la variable \"size\", y luego usamos esa variable como el par\u00e1metro size para \"copy_from_user\", terminando sobrescribiendo la memoria despu\u00e9s de \"crus_sp_hdr\". \"crus_sp_hdr\" es una variable est\u00e1tica, del tipo \"struct crus_sp_ioctl_header\". Producto: Android, Versiones: kernel de Android, ID de Android: A-135129430"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
        "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-787"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:google:android:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "F8B9FEC8-73B6-43B8-B24E-1F7C20D91D26"
            }
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  ],
  "references": [
    {
      "url": "https://source.android.com/security/bulletin/pixel/2020-06-01",
      "source": "security@android.com",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}