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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:tika:*:*:*:*:*:*:*:*", "matchCriteriaId": "889B834A-0580-4075-8953-4EAA88DDEACF", "versionEndIncluding": "1.19", "versionStartIncluding": "0.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In Apache Tika 1.19 (CVE-2018-11761), we added an entity expansion limit for XML parsing. However, Tika reuses SAXParsers and calls reset() after each parse, which, for Xerces2 parsers, as per the documentation, removes the user-specified SecurityManager and thus removes entity expansion limits after the first parse. Apache Tika versions from 0.1 to 1.19 are therefore still vulnerable to entity expansions which can lead to a denial of service attack. Users should upgrade to 1.19.1 or later."}, {"lang": "es", "value": "En Apache Tika 1.19 (CVE-2018-11761), se ha a\u00f1adido un l\u00edmite de expansi\u00f3n de entidades para el an\u00e1lisis XML. Sin embargo, Tika reutiliza SAXParsers y llama a reset() tras cada an\u00e1lisis y, en el caso de los analizadores Xerces2, tal y como se indica en la documentaci\u00f3n, elimina el SecurityManager especificado por el usuario y elimina los l\u00edmites de expansi\u00f3n de entidades tras el primer an\u00e1lisis. Por lo tanto, las versiones de la 0.1 a la 1.19 de Apache Tika siguen siendo vulnerables a expansiones de entidades, lo que podr\u00eda conducir a un ataque de denegaci\u00f3n de servicio (DoS). Los usuarios deber\u00edan actualizar a la versi\u00f3n 1.19.1 o posteriores."}], "id": "CVE-2018-11796", "lastModified": "2023-11-07T02:51:47.970", "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}], "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": "2018-10-09T22:29:00.393", "references": [{"source": "security@apache.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/105585"}, {"source": "security@apache.org", "url": "https://access.redhat.com/errata/RHSA-2019:3892"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread.html/88de8350cda9b184888ec294c813c5bd8a2081de8fd3666f8904bc05%40%3Cdev.tika.apache.org%3E"}, {"source": "security@apache.org", "url": "https://security.netapp.com/advisory/ntap-20190903-0002/"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-611"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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