FKIE_CVE-2016-5300

Vulnerability from fkie_nvd - Published: 2016-06-16 18:59 - Updated: 2026-06-17 00:49
Summary
The XML parser in Expat does not use sufficient entropy for hash initialization, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted identifiers in an XML document. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-0876.
References
cve@mitre.orghttp://www.debian.org/security/2016/dsa-3597Third Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2016/06/04/4Mailing List
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2016/06/04/5Mailing List
cve@mitre.orghttp://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.htmlPatch, Third Party Advisory
cve@mitre.orghttp://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.htmlThird Party Advisory
cve@mitre.orghttp://www.securityfocus.com/bid/91159Third Party Advisory, VDB Entry
cve@mitre.orghttp://www.ubuntu.com/usn/USN-3010-1Third Party Advisory
cve@mitre.orghttps://kc.mcafee.com/corporate/index?page=content&id=SB10365
cve@mitre.orghttps://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
cve@mitre.orghttps://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
cve@mitre.orghttps://security.gentoo.org/glsa/201701-21Third Party Advisory
cve@mitre.orghttps://source.android.com/security/bulletin/2016-11-01.htmlThird Party Advisory
cve@mitre.orghttps://www.tenable.com/security/tns-2016-20Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2016/dsa-3597Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/06/04/4Mailing List
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/06/04/5Mailing List
af854a3a-2127-422b-91ae-364da2661108http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/91159Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-3010-1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://kc.mcafee.com/corporate/index?page=content&id=SB10365
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201701-21Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://source.android.com/security/bulletin/2016-11-01.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.tenable.com/security/tns-2016-20Third Party Advisory

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "B6B7CAD7-9D4E-4FDB-88E3-1E583210A01F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*",
              "matchCriteriaId": "E88A537F-F4D0-46B9-9E37-965233C2A355",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*",
              "matchCriteriaId": "F7016A2A-8365-4F1A-89A2-7A19F2BCAE5B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "BE4EECEA-61AE-4AD0-87C2-89DC1890DDDD",
              "versionEndExcluding": "2.2.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:google:android:4.4.4:*:*:*:*:*:*:*",
              "matchCriteriaId": "E3CEEA22-63B4-4702-A400-01349DF0EC1E",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:google:android:5.0.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "E9915371-C730-41F7-B86E-7E4DE0DF5385",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:google:android:5.1.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "B1D94CDD-DE7B-444E-A3AE-AE9C9A779374",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:google:android:6.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "E70C6D8D-C9C3-4D92-8DFC-71F59E068295",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:google:android:6.0.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "691FA41B-C2CE-413F-ABB1-0B22CB322807",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The XML parser in Expat does not use sufficient entropy for hash initialization, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted identifiers in an XML document.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-0876."
    },
    {
      "lang": "es",
      "value": "El int\u00e9rprete XML en Expat no utiliza suficiente entrop\u00eda para inicializaci\u00f3n hash, lo que permite a atacantes dependientes del contexto provocar una denegaci\u00f3n de servicio (consumo de CPU) a trav\u00e9s de identificadores manipulados en un documento XML. NOTA: esta vulnerabilidad existe debido a una soluci\u00f3n incompleta para CVE-2012-0876."
    }
  ],
  "id": "CVE-2016-5300",
  "lastModified": "2026-06-17T00:49:10.273",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": true,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.8,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2016-06-16T18:59:10.547",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.debian.org/security/2016/dsa-3597"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2016/06/04/4"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2016/06/04/5"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/91159"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.ubuntu.com/usn/USN-3010-1"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10365"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.gentoo.org/glsa/201701-21"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://source.android.com/security/bulletin/2016-11-01.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://www.tenable.com/security/tns-2016-20"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.debian.org/security/2016/dsa-3597"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2016/06/04/4"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2016/06/04/5"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "VDB Entry"
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      "url": "http://www.securityfocus.com/bid/91159"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "http://www.ubuntu.com/usn/USN-3010-1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10365"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.gentoo.org/glsa/201701-21"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://source.android.com/security/bulletin/2016-11-01.html"
    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      ],
      "url": "https://www.tenable.com/security/tns-2016-20"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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