FKIE_CVE-2023-20818

Vulnerability from fkie_nvd - Published: 2023-08-07 04:15 - Updated: 2026-06-17 05:30
Severity
4.4 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
4.4 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Summary
In wlan service, there is a possible out of bounds read due to improper input validation. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07460540; Issue ID: ALPS07460540.
References
security@mediatek.comhttps://corp.mediatek.com/product-security-bulletin/August-2023Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://corp.mediatek.com/product-security-bulletin/August-2023Vendor Advisory
Impacted products
Vendor Product Version
google android 12.0
google android 13.0
mediatek mt6580 -
mediatek mt6739 -
mediatek mt6761 -
mediatek mt6765 -
mediatek mt6768 -
mediatek mt6779 -
mediatek mt6781 -
mediatek mt6833 -
mediatek mt6853 -
mediatek mt6853t -
mediatek mt6855 -
mediatek mt6873 -
mediatek mt6875 -
mediatek mt6877 -
mediatek mt6879 -
mediatek mt6883 -
mediatek mt6885 -
mediatek mt6886 -
mediatek mt6889 -
mediatek mt6891 -
mediatek mt6893 -
mediatek mt6895 -
mediatek mt6983 -
mediatek mt6985 -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "MT6580, MT6739, MT6761, MT6765, MT6768, MT6779, MT6781, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985",
          "vendor": "MediaTek, Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "Android 12.0, 13.0"
            }
          ]
        }
      ],
      "source": "security@mediatek.com"
    },
    {
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          ],
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              "version": "0",
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            }
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In wlan service, there is a possible out of bounds read due to improper input validation. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07460540; Issue ID: ALPS07460540."
    }
  ],
  "id": "CVE-2023-20818",
  "lastModified": "2026-06-17T05:30:55.420",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 4.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N",
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        "ssvcData": {
          "id": "CVE-2023-20818",
          "options": [
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              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
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          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-10-22T14:25:36.384727Z",
          "version": "2.0.3"
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  },
  "published": "2023-08-07T04:15:14.827",
  "references": [
    {
      "source": "security@mediatek.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://corp.mediatek.com/product-security-bulletin/August-2023"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://corp.mediatek.com/product-security-bulletin/August-2023"
    }
  ],
  "sourceIdentifier": "security@mediatek.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
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      "source": "nvd@nist.gov",
      "type": "Primary"
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    {
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      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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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.
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  • 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.


Detection rules are retrieved from Rulezet.