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CVE-2019-8455

Estado: ModificadaAlta (7.1)—

A hard-link created from the log file of Check Point ZoneAlarm up to 15.4.062 to any file on the system will get its permission changed so that all users can access that linked file. Doing this on files with limited access gains the local attacker higher privileges to the file.

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)

Checkpoint — Zonealarm

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2019-8455",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.6,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.1,
          "attackVector": "LOCAL",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@checkpoint.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Check Point ZoneAlarm",
          "versions": [
            {
              "status": "affected",
              "version": "up to 15.4.062"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-04-17T15:29:01.220",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/108029",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@checkpoint.com"
    },
    {
      "url": "https://www.zonealarm.com/software/release-history/zafavfw.html#15.4.260.17960",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@checkpoint.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/108029",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.zonealarm.com/software/release-history/zafavfw.html#15.4.260.17960",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve@checkpoint.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-65"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-59"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A hard-link created from the log file of Check Point ZoneAlarm up to 15.4.062 to any file on the system will get its permission changed so that all users can access that linked file. Doing this on files with limited access gains the local attacker higher privileges to the file."
    },
    {
      "lang": "es",
      "value": "Un enlace físico creado a partir del archivo de registro de Check Point ZoneAlarm versión hasta 15.4.062, cualquier archivo en el sistema cambiará su permiso para que todos los usuarios puedan acceder a ese archivo vinculado. Hacer esto en archivos con acceso limitado le otorga al atacante local mayores privilegios para el archivo."
    }
  ],
  "lastModified": "2026-06-17T02:42:01.703",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:checkpoint:zonealarm:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "113B97FA-6D1B-4C54-863C-532AEE5BFB93",
              "versionEndIncluding": "15.4.062"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@checkpoint.com"
}