{
  "id": "CVE-2015-8791",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2016-01-29T19:59:03.217",
  "lastModified": "2016-12-03T03:14:51.103",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "The EbmlElement::ReadCodedSizeValue function in libEBML before 1.3.3 allows context-dependent attackers to obtain sensitive information from process heap memory via a crafted length value in an EBML id, which triggers an invalid memory access."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n EbmlElement::ReadCodedSizeValue en libEBML en versiones anteriores a 1.3.3 permite a atacantes dependientes del contexto obtener informaci\u00f3n sensible desde la memoria din\u00e1mica de proceso a trav\u00e9s de un valor de longitud manipulado en un id EBML, lo que desencadena un acceso de memoria no v\u00e1lido."
    }
  ],
  "metrics": {
    "cvssMetricV30": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:matroska:libebml:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "1.3.2",
              "matchCriteriaId": "96E02511-A860-4F99-9DD2-37F63856A267"
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  ],
  "references": [
    {
      "url": "http://lists.matroska.org/pipermail/matroska-users/2015-October/006985.html",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://lists.opensuse.org/opensuse-updates/2016-01/msg00035.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.debian.org/security/2016/dsa-3538",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/Matroska-Org/libebml/blob/release-1.3.3/ChangeLog",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://github.com/Matroska-Org/libebml/commit/24e5cd7c666b1ddd85619d60486db0a5481c1b90",
      "source": "cve@mitre.org"
    }
  ]
}