CVE-2018-11796

{"containers": {"cna": {"affected": [{"product": "Apache Tika", "vendor": "Apache Software Foundation", "versions": [{"status": "affected", "version": "Apache Tomcat 0.1 to 1.19"}]}], "datePublic": "2018-10-09T00:00:00.000Z", "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."}], "problemTypes": [{"descriptions": [{"description": "Denial of Service Vulnerability", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2019-11-14T23:07:10.000Z", "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache"}, "references": [{"name": "105585", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/105585"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://lists.apache.org/thread.html/88de8350cda9b184888ec294c813c5bd8a2081de8fd3666f8904bc05%40%3Cdev.tika.apache.org%3E"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://security.netapp.com/advisory/ntap-20190903-0002/"}, {"name": "RHSA-2019:3892", "tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2019:3892"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@apache.org", "DATE_PUBLIC": "2018-10-09T00:00:00", "ID": "CVE-2018-11796", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Apache Tika", "version": {"version_data": [{"version_value": "Apache Tomcat 0.1 to 1.19"}]}}]}, "vendor_name": "Apache Software Foundation"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Denial of Service Vulnerability"}]}]}, "references": {"reference_data": [{"name": "105585", "refsource": "BID", "url": "http://www.securityfocus.com/bid/105585"}, {"name": "https://lists.apache.org/thread.html/88de8350cda9b184888ec294c813c5bd8a2081de8fd3666f8904bc05@%3Cdev.tika.apache.org%3E", "refsource": "CONFIRM", "url": "https://lists.apache.org/thread.html/88de8350cda9b184888ec294c813c5bd8a2081de8fd3666f8904bc05@%3Cdev.tika.apache.org%3E"}, {"name": "https://security.netapp.com/advisory/ntap-20190903-0002/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20190903-0002/"}, {"name": "RHSA-2019:3892", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2019:3892"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T08:17:09.143Z"}, "title": "CVE Program Container", "references": [{"name": "105585", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/105585"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://lists.apache.org/thread.html/88de8350cda9b184888ec294c813c5bd8a2081de8fd3666f8904bc05%40%3Cdev.tika.apache.org%3E"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://security.netapp.com/advisory/ntap-20190903-0002/"}, {"name": "RHSA-2019:3892", "tags": ["vendor-advisory", "x_refsource_REDHAT", "x_transferred"], "url": "https://access.redhat.com/errata/RHSA-2019:3892"}]}]}, "cveMetadata": {"assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "assignerShortName": "apache", "cveId": "CVE-2018-11796", "datePublished": "2018-10-09T22:00:00.000Z", "dateReserved": "2018-06-05T00:00:00.000Z", "dateUpdated": "2024-09-16T18:19:51.122Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Apache Tika", "vendor": "Apache Software Foundation", "versions": [{"status": "affected", "version": "Apache Tomcat 0.1 to 1.19"}]}], "source": "security@apache.org"}], "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"}]}], "cveTags": [], "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": "2026-06-17T01:36:36.900", "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/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/105585"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://access.redhat.com/errata/RHSA-2019:3892"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.apache.org/thread.html/88de8350cda9b184888ec294c813c5bd8a2081de8fd3666f8904bc05%40%3Cdev.tika.apache.org%3E"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "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"}]}

{"affected_release": [{"advisory": "RHSA-2019:3892", "cpe": "cpe:/a:redhat:jboss_fuse:7", "package": "camel-tika", "product_name": "Red Hat Fuse 7.5.0", "release_date": "2019-11-14T00:00:00Z"}], "bugzilla": {"description": "tika: Incomplete fix allows for XML entity expansion resulting in denial of service", "id": "1639090", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1639090"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-776", "details": ["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."], "name": "CVE-2018-11796", "package_state": [{"cpe": "cpe:/a:redhat:jboss_enterprise_bpms_platform", "fix_state": "Out of support scope", "package_name": "tika-core", "product_name": "Red Hat BPM Suite 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_brms_platform:5", "fix_state": "Out of support scope", "package_name": "tika-core", "product_name": "Red Hat JBoss BRMS 5"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_brms_platform:6", "fix_state": "Out of support scope", "package_name": "tika-core", "product_name": "Red Hat JBoss BRMS 6"}, {"cpe": "cpe:/a:redhat:jboss_data_virtualization:6", "fix_state": "Out of support scope", "package_name": "tika-core", "product_name": "Red Hat JBoss Data Virtualization 6"}, {"cpe": "cpe:/a:redhat:jboss_fuse_service_works:6", "fix_state": "Out of support scope", "package_name": "tika-core", "product_name": "Red Hat JBoss Fuse Service Works 6"}, {"cpe": "cpe:/a:redhat:network_satellite:5", "fix_state": "Will not fix", "impact": "low", "package_name": "tika", "product_name": "Red Hat Satellite 5"}, {"cpe": "cpe:/a:redhat:rhel_software_collections:3", "fix_state": "Not affected", "package_name": "rh-eclipse46-tika", "product_name": "Red Hat Software Collections"}], "public_date": "2018-10-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-11796\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-11796\nhttps://lists.apache.org/thread.html/88de8350cda9b184888ec294c813c5bd8a2081de8fd3666f8904bc05@%3Cdev.tika.apache.org%3E"], "statement": "This issue affects the versions of tika which is embedded in the nutch package as shipped with Red Hat Satellite 5. The tika server is not exposed, as such exploitation is difficult, Red Hat Product Security has rated this issue as having security impact of Low. A future update may address this issue. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.", "threat_severity": "Moderate"}

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