{
  "id": "CVE-2020-9395",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2020-07-06T22:15:11.553",
  "lastModified": "2021-07-21T11:39:23.747",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered on Realtek RTL8195AM, RTL8711AM, RTL8711AF, and RTL8710AF devices before 2.0.6. A stack-based buffer overflow exists in the client code that takes care of WPA2's 4-way-handshake via a malformed EAPOL-Key packet with a long keydata buffer."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 un problema en los dispositivos Realtek RTL8195AM, RTL8711AM, RTL8711AF y RTL8710AF versiones anteriores a 2.0.6. Se presenta un desbordamiento del b\u00fafer en la regi\u00f3n stack de la memoria en el c\u00f3digo del cliente que se encarga del protocolo de enlace de 4 v\u00edas de WPA2 por medio de un paquete EAPOL-Key malformado con un b\u00fafer de datos clave largo"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "attackVector": "ADJACENT_NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 8.0,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 1.3,
        "impactScore": 6.0
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:A/AC:M/Au:S/C:P/I:P/A:P",
          "accessVector": "ADJACENT_NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "SINGLE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.9
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 4.4,
        "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": [
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:realtek:rtl8711af_firmware:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.0.6",
              "matchCriteriaId": "32A612AF-F9E3-463E-B50B-9E8D2CC7532C"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:realtek:rtl8711af:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "053AC60A-8C11-439F-8B79-5ED1E6EA5099"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:realtek:rtl8711am_firmware:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.0.6",
              "matchCriteriaId": "A1A97E03-B3BB-438D-9926-1B03287B848B"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:realtek:rtl8711am:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "CE3907BD-B150-4676-BBC7-D3DC8B36B6B4"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:realtek:rtl8195am_firmware:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.0.6",
              "matchCriteriaId": "02B72956-8968-456E-BB7D-654565C1BF1D"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:realtek:rtl8195am:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "ABC12635-46E3-4595-A6AC-BD80F671B9D4"
            }
          ]
        }
      ]
    },
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:realtek:rtl8710af_firmware:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.0.6",
              "matchCriteriaId": "ABCB0A68-2649-4B6A-BD37-247FB1CFF464"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:h:realtek:rtl8710af:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "3159DB54-4177-4E59-A4D8-503B1B105651"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/ambiot/amb1_arduino/commit/dcea55cf9775a0166805b3db845b237ecd5e74ea#diff-d06e7a87f34cc464a56799a419033014",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/ambiot/amb1_sdk/commit/bc5173d5d4faf6829074b0f1e1b242c12b7777a3#diff-700c216fb376666eaeda0c892e8bdc09",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.amebaiot.com/en/security_bulletin/",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ]
    }
  ]
}