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CVE-2019-13343

Estado: ModificadaAlta (7.5)—

Butor Portal versiones anteriores a 1.0.27, está afectado por una vulnerabilidad de Salto de Ruta conllevando a una descarga de archivos arbitrarios previa a la autenticación. Efectivamente, un usuario anónimo remoto puede descargar cualquier archivo en servidores ejecutando Butor Portal. La función WhiteLabelingServlet es responsable de esta vulnerabilidad. No sanea apropiadamente la entrada del usuario en el parámetro t del tema antes de reutilizarlo en una ruta. Esta ruta luego es usada sin comprobación para recuperar un archivo y devolver su contenido crudo para el usuario por medio de la subcadena /wl?t=../../...&h= seguida por un nombre de archivo.

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)

Butor — Portal

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2019-13343",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Secondary",
        "source": "cve@mitre.org",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.0",
          "baseScore": 9.9,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.3,
        "exploitabilityScore": 3.9
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-10-02T16:15:14.227",
  "references": [
    {
      "url": "https://bitbucket.org/account/user/butor-team/projects/PROJ",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bitbucket.org/butor-team/portal/commits/all",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bitbucket.org/butor-team/portal/commits/cd7055d33e194fcf530100ee1d8d13aa9cde230b",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bitbucket.org/butor-team/portal/src/cd7055d33e194fcf530100ee1d8d13aa9cde230b/src/main/java/com/butor/portal/web/servlet/WhiteLabelingServlet.java?at=master",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.gosecure.net/blog/2019/09/30/butor-portal-arbitrary-file-download-vulnerability-cve-2019-13343",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bitbucket.org/account/user/butor-team/projects/PROJ",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bitbucket.org/butor-team/portal/commits/all",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bitbucket.org/butor-team/portal/commits/cd7055d33e194fcf530100ee1d8d13aa9cde230b",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bitbucket.org/butor-team/portal/src/cd7055d33e194fcf530100ee1d8d13aa9cde230b/src/main/java/com/butor/portal/web/servlet/WhiteLabelingServlet.java?at=master",
      "tags": [
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        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.gosecure.net/blog/2019/09/30/butor-portal-arbitrary-file-download-vulnerability-cve-2019-13343",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Butor Portal before 1.0.27 is affected by a Path Traversal vulnerability leading to a pre-authentication arbitrary file download. Effectively, a remote anonymous user can download any file on servers running Butor Portal. WhiteLabelingServlet is responsible for this vulnerability. It does not properly sanitize user input on the theme t parameter before reusing it in a path. This path is then used without validation to fetch a file and return its raw content to the user via the /wl?t=../../...&h= substring followed by a filename."
    },
    {
      "lang": "es",
      "value": "Butor Portal versiones anteriores a 1.0.27, está afectado por una vulnerabilidad de Salto de Ruta conllevando a una descarga de archivos arbitrarios previa a la autenticación. Efectivamente, un usuario anónimo remoto puede descargar cualquier archivo en servidores ejecutando Butor Portal. La función WhiteLabelingServlet es responsable de esta vulnerabilidad. No sanea apropiadamente la entrada del usuario en el parámetro t del tema antes de reutilizarlo en una ruta. Esta ruta luego es usada sin comprobación para recuperar un archivo y devolver su contenido crudo para el usuario por medio de la subcadena /wl?t=../../...&h= seguida por un nombre de archivo."
    }
  ],
  "lastModified": "2026-06-17T02:16:36.513",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:butor:portal:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "904DEE00-3731-42B7-A42C-2CE7F64E7307",
              "versionEndExcluding": "1.0.27"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}