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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:treasuredata:fluent_bit:3.1.9:*:*:*:*:*:*:*", "matchCriteriaId": "0365AE96-83F3-401B-A605-62703B78773F", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in Fluent Bit 3.1.9. When the OpenTelemetry input plugin is running and listening on an IP address and port, one can send a packet with Content-Length: 0 and it crashes the server. Improper handling of the case when Content-Length is 0 allows a user (with access to the endpoint) to perform a remote Denial of service attack. The crash happens because of a NULL pointer dereference when 0 (from the Content-Length) is passed to the function cfl_sds_len, which in turn tries to cast a NULL pointer into struct cfl_sds. This is related to process_payload_traces_proto_ng() at opentelemetry_prot.c."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en Fluent Bit 3.1.9. Cuando el complemento de entrada OperTelemetry se ejecuta y escucha en una direcci\u00f3n IP y un puerto, uno puede enviar un paquete con contenido-longitud: 0 y bloquea el servidor. La gesti\u00f3n inadecuada del caso cuando la longitud de contenido es 0 permite que un usuario (con acceso a el endpoint) realice un ataque remoto de denegaci\u00f3n de servicio. El bloqueo ocurre debido a una deserferencia de puntero nulo cuando 0 (desde la longitud del contenido) se pasa a la funci\u00f3n CFL_SDS_LEN, que a su vez intenta lanzar un puntero nulo en Struct CFL_SDS. Esto est\u00e1 relacionado con process_payload_traces_proto_ng () en opentelemetry_prot.c."}], "id": "CVE-2024-50609", "lastModified": "2025-04-22T14:48:17.650", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2025-02-18T18:15:25.833", "references": [{"source": "cve@mitre.org", "tags": ["Product"], "url": "https://fluentbit.io/announcements/"}, {"source": "cve@mitre.org", "tags": ["Release Notes"], "url": "https://github.com/fluent/fluent-bit/releases"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.ebryx.com/blogs/exploring-cve-2024-50608-and-cve-2024-50609"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

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