CVE-2018-17194

{"containers": {"cna": {"affected": [{"product": "Apache NiFi", "vendor": "Apache Software Foundation", "versions": [{"status": "affected", "version": "Apache NiFi 1.0.0 - 1.7.1"}]}], "datePublic": "2018-12-19T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "When a client request to a cluster node was replicated to other nodes in the cluster for verification, the Content-Length was forwarded. On a DELETE request, the body was ignored, but if the initial request had a Content-Length value other than 0, the receiving nodes would wait for the body and eventually timeout. Mitigation: The fix to check DELETE requests and overwrite non-zero Content-Length header values was applied on the Apache NiFi 1.8.0 release. Users running a prior 1.x release should upgrade to the appropriate release."}], "problemTypes": [{"descriptions": [{"description": "Denial of service", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2018-12-19T13:57:01.000Z", "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://nifi.apache.org/security.html#CVE-2018-17194"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "security@apache.org", "ID": "CVE-2018-17194", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Apache NiFi", "version": {"version_data": [{"version_value": "Apache NiFi 1.0.0 - 1.7.1"}]}}]}, "vendor_name": "Apache Software Foundation"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "When a client request to a cluster node was replicated to other nodes in the cluster for verification, the Content-Length was forwarded. On a DELETE request, the body was ignored, but if the initial request had a Content-Length value other than 0, the receiving nodes would wait for the body and eventually timeout. Mitigation: The fix to check DELETE requests and overwrite non-zero Content-Length header values was applied on the Apache NiFi 1.8.0 release. Users running a prior 1.x release should upgrade to the appropriate release."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Denial of service"}]}]}, "references": {"reference_data": [{"name": "https://nifi.apache.org/security.html#CVE-2018-17194", "refsource": "CONFIRM", "url": "https://nifi.apache.org/security.html#CVE-2018-17194"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T10:39:59.603Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://nifi.apache.org/security.html#CVE-2018-17194"}]}]}, "cveMetadata": {"assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "assignerShortName": "apache", "cveId": "CVE-2018-17194", "datePublished": "2018-12-19T14:00:00.000Z", "dateReserved": "2018-09-19T00:00:00.000Z", "dateUpdated": "2024-08-05T10:39:59.603Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Apache NiFi", "vendor": "Apache Software Foundation", "versions": [{"status": "affected", "version": "Apache NiFi 1.0.0 - 1.7.1"}]}], "source": "security@apache.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:*", "matchCriteriaId": "2F6B3A37-6559-40FE-92B9-4FCE9906CA5D", "versionEndIncluding": "1.7.1", "versionStartIncluding": "1.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "When a client request to a cluster node was replicated to other nodes in the cluster for verification, the Content-Length was forwarded. On a DELETE request, the body was ignored, but if the initial request had a Content-Length value other than 0, the receiving nodes would wait for the body and eventually timeout. Mitigation: The fix to check DELETE requests and overwrite non-zero Content-Length header values was applied on the Apache NiFi 1.8.0 release. Users running a prior 1.x release should upgrade to the appropriate release."}, {"lang": "es", "value": "Cuando una petici\u00f3n de cliente a un nodo del cl\u00faster se replic\u00f3 a otros nodos en el cl\u00faster para verificarlos, se redireccion\u00f3 el Content-Length. En una petici\u00f3n DELETE, el cuerpo fue ignorado, pero si la petici\u00f3n inicial conten\u00eda un valor Content-Length diferente de 0, los nodos recibidores esperar\u00edan al cuerpo y, finalmente, agotar\u00edan su tiempo de conexi\u00f3n. Mitigaci\u00f3n: La soluci\u00f3n para comprobar las peticiones DELETE y sobrescribir valores de la cabecera Content-Length que no son cero se aplic\u00f3 en la versi\u00f3n 1.8.0 de Apache NiFi. Los usuarios que ejecuten una distribuci\u00f3n 1.x anterior deben actualizarla a la distribuci\u00f3n adecuada."}], "id": "CVE-2018-17194", "lastModified": "2026-06-17T01:45:31.010", "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": "2018-12-19T14:29:00.440", "references": [{"source": "security@apache.org", "tags": ["Vendor Advisory"], "url": "https://nifi.apache.org/security.html#CVE-2018-17194"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://nifi.apache.org/security.html#CVE-2018-17194"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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