{
  "id": "CVE-2016-9487",
  "sourceIdentifier": "cret@cert.org",
  "published": "2018-07-13T20:29:01.520",
  "lastModified": "2019-10-09T23:20:31.523",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "EpubCheck 4.0.1 does not properly restrict resolving external entities when parsing XML in EPUB files during validation. An attacker who supplies a specially crafted EPUB file may be able to exploit this behavior to read arbitrary files, or have the victim execute arbitrary requests on his behalf, abusing the victim's trust relationship with other entities."
    },
    {
      "lang": "es",
      "value": "EpubCheck 4.0.1 no restringe correctamente la resoluci\u00f3n de entidades externas al analizar XML en archivos EPUB durante la validaci\u00f3n. Un atacante que proporciona un archivo EPUB especialmente manipulado podr\u00eda ser capaz de explotar este comportamiento para leer archivos arbitrarios o hacer que la v\u00edctima ejecute peticiones arbitrarias en su nombre, abusando de la relaci\u00f3n de confianza de la v\u00edctima con otras entidades."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-611"
        }
      ]
    },
    {
      "source": "cret@cert.org",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-611"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:w3:epubcheck:4.0.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "2959FEA5-E159-49D6-82D2-7571083FA262"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.kb.cert.org/vuls/id/779243",
      "source": "cret@cert.org",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ]
    },
    {
      "url": "https://www.securityfocus.com/bid/94864/",
      "source": "cret@cert.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    }
  ]
}