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context-dependent attackers to cause a denial of service (CPU consumption) via a crafted XML document containing a large number of nested entity references, a variant of the \"billion laughs\" attack."}, {"lang": "es", "value": "parser.c en libxml2 anterior a 2.9.2 no previene debidamente la expansi\u00f3n de entidades incluso cuando la substituci\u00f3n de entidades haya sido deshabilitada, lo que permite a atacantes dependientes de contexto causar una denegaci\u00f3n de servicio (consumo de CPU) a trav\u00e9s de un documento XML manipualdo que contiene un n\u00famero grande de referencias de entidades anidadas, una variante del ataque del 'bill\u00f3n de risas'."}], "evaluatorComment": "<a href=\"http://cwe.mitre.org/data/definitions/611.html\" target=\"_blank\">CWE-611: Improper Restriction of XML External Entity Reference ('XXE')</a>", "id": "CVE-2014-3660", "lastModified": "2016-12-08T03:05:40.590", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2014-11-04T16:55:06.043", "references": [{"source": "secalert@redhat.com", "url": "http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705"}, {"source": "secalert@redhat.com", "url": "http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html"}, {"source": "secalert@redhat.com", "url": "http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-updates/2014-10/msg00034.html"}, {"source": "secalert@redhat.com", "url": "http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html"}, {"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2014-1655.html"}, {"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2014-1885.html"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/59903"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/61965"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/61966"}, {"source": "secalert@redhat.com", "url": "http://secunia.com/advisories/61991"}, {"source": "secalert@redhat.com", "url": "http://www.debian.org/security/2014/dsa-3057"}, {"source": "secalert@redhat.com", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2014:244"}, {"source": "secalert@redhat.com", "tags": ["Patch"], "url": "http://www.openwall.com/lists/oss-security/2014/10/17/7"}, {"source": "secalert@redhat.com", "url": "http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html"}, {"source": "secalert@redhat.com", "url": "http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html"}, {"source": "secalert@redhat.com", "url": "http://www.securityfocus.com/bid/70644"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "http://www.ubuntu.com/usn/USN-2389-1"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/attachment.cgi?id=944444&action=diff"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1149084"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://support.apple.com/kb/HT205030"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://support.apple.com/kb/HT205031"}, {"source": "secalert@redhat.com", "url": "https://www.ncsc.nl/actueel/nieuwsberichten/kwetsbaarheid-ontdekt-in-libxml2.html"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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