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CVE-2018-13376

Estado: ModificadaAlta (7.5)—

An uninitialized memory buffer leak exists in Fortinet FortiOS 5.6.1 to 5.6.3, 5.4.6 to 5.4.7, 5.2 all versions under web proxy's disclaimer response web pages, potentially causing sensitive data to be displayed in the HTTP response.

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)

Fortinet — Fortios

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-13376",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2018-13376",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-10-24T20:09:58.734329Z"
        }
      }
    ],
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@fortinet.com",
      "affectedData": [
        {
          "vendor": "Fortinet, Inc.",
          "product": "Fortinet FortiOS",
          "versions": [
            {
              "status": "affected",
              "version": "FortiOS 5.6.1 to 5.6.3, 5.4.6 to 5.4.7, 5.2 all versions"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-11-27T15:29:00.227",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/106036",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "psirt@fortinet.com"
    },
    {
      "url": "https://fortiguard.com/advisory/FG-IR-18-325",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@fortinet.com"
    },
    {
      "url": "https://herolab.usd.de/wp-content/uploads/sites/4/2018/12/usd20180031.txt",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "psirt@fortinet.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/106036",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://fortiguard.com/advisory/FG-IR-18-325",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://herolab.usd.de/wp-content/uploads/sites/4/2018/12/usd20180031.txt",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An uninitialized memory buffer leak exists in Fortinet FortiOS 5.6.1 to 5.6.3, 5.4.6 to 5.4.7, 5.2 all versions under web proxy's disclaimer response web pages, potentially causing sensitive data to be displayed in the HTTP response."
    },
    {
      "lang": "es",
      "value": "Existe una fuga del búfer de memoria sin inicializar en Fortinet FortiOS, de la versión 5.6.1 a la 5.6.3, de la versión 5.4.6 a la 5.4.7 y en todas las versiones desde la 5.2 bajo las páginas web de renuncia de respuesta del proxy web, lo que podría provocar que los datos sensibles se muestren en la respuesta HTTP."
    }
  ],
  "lastModified": "2026-06-17T01:39:17.883",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E87EA862-D58B-4C52-BFF0-54B8D01BC569",
              "versionEndIncluding": "5.2.12"
            },
            {
              "criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4200DCE0-8A28-4E77-A687-E89C582B7D30",
              "versionEndIncluding": "5.4.7",
              "versionStartIncluding": "5.4.6"
            },
            {
              "criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "15CA187D-7F6A-454C-9E95-EE61D578EC10",
              "versionEndIncluding": "5.6.3",
              "versionStartIncluding": "5.6.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@fortinet.com"
}