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CVE-2022-35218

Estado: ModificadaMedia (5.5)—

The NHI card’s web service component has a heap-based buffer overflow vulnerability due to insufficient validation for packet origin parameter length. A LAN attacker with general user privilege can exploit this vulnerability to disrupt service.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

NHI — Health Insurance WEB Service Component

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2022-35218",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "twcert@cert.org.tw",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "twcert@cert.org.tw",
      "affectedData": [
        {
          "vendor": "NHI",
          "product": "card’s web service component",
          "versions": [
            {
              "status": "affected",
              "version": "dae0509e5aabde2f110ce8418af67cf7"
            }
          ],
          "platforms": [
            "Windows"
          ]
        }
      ]
    }
  ],
  "published": "2022-08-02T16:15:10.373",
  "references": [
    {
      "url": "https://www.twcert.org.tw/tw/cp-132-6354-1cf61-1.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "twcert@cert.org.tw"
    },
    {
      "url": "https://www.twcert.org.tw/tw/cp-132-6354-1cf61-1.html",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "twcert@cert.org.tw",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ]
    }
  ],
  "descriptions": [
    {
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      "value": "The NHI card’s web service component has a heap-based buffer overflow vulnerability due to insufficient validation for packet origin parameter length. A LAN attacker with general user privilege can exploit this vulnerability to disrupt service."
    },
    {
      "lang": "es",
      "value": "El componente de servicio web de la tarjeta NHI presenta una vulnerabilidad de desbordamiento de búfer en la región heap de la memoria debido a una comprobación insuficiente de la longitud del parámetro de origen del paquete. Un atacante de la LAN con privilegios de usuario generales puede explotar esta vulnerabilidad para interrumpir el servicio"
    }
  ],
  "lastModified": "2026-06-17T04:51:34.777",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
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            }
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          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
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            }
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      "operator": "AND"
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  ],
  "sourceIdentifier": "twcert@cert.org.tw"
}