CVE-2018-17194

{"id": "CVE-2018-17194", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2018-12-19T14:29:00.440", "references": [{"url": "https://nifi.apache.org/security.html#CVE-2018-17194", "tags": ["Vendor Advisory"], "source": "security@apache.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}], "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."}], "lastModified": "2019-01-11T17:50:13.070", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apache:nifi:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2F6B3A37-6559-40FE-92B9-4FCE9906CA5D", "versionEndIncluding": "1.7.1", "versionStartIncluding": "1.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@apache.org"}