CVE-2023-22399

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The dcpfe process tries to copy more data into a smaller buffer, which overflows and corrupts the buffer, causing a crash of the dcpfe process. Continued receipt and processing of these packets will create a sustained Denial of Service (DoS) condition. 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resulting in a Denial of Service (DoS) condition. The dcpfe process tries to copy more data into a smaller buffer, which overflows and corrupts the buffer, causing a crash of the dcpfe process. Continued receipt and processing of these packets will create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS on QFX10K Series: All versions prior to 19.4R3-S9; 20.2 versions prior to 20.2R3-S6; 20.3 versions prior to 20.3R3-S6; 20.4 versions prior to 20.4R3-S5; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3-S3; 21.3 versions prior to 21.3R3-S2; 21.4 versions prior to 21.4R2-S2, 21.4R3; 22.1 versions prior to 22.1R2; 22.2 versions prior to 22.2R1-S2, 22.2R2."}, {"lang": "es", "value": "Cuando sFlow est\u00e1 habilitado y monitorea un paquete reenviado a trav\u00e9s de ECMP, una vulnerabilidad de administraci\u00f3n de b\u00fafer en el proceso dcpfe de Juniper Networks Junos OS en sistemas de la serie QFX10K permite a un atacante provocar que el motor de reenv\u00edo de paquetes (PFE) se bloquee y se reinicie mediante el env\u00edo de paquetes genuinos espec\u00edficos. paquetes al dispositivo, lo que resulta en una condici\u00f3n de denegaci\u00f3n de servicio (DoS). El proceso dcpfe intenta copiar m\u00e1s datos en un b\u00fafer m\u00e1s peque\u00f1o, lo que se desborda y corrompe el b\u00fafer, provocando un bloqueo del proceso dcpfe. La recepci\u00f3n y el procesamiento continuo de estos paquetes crear\u00e1n una condici\u00f3n sostenida de Denegaci\u00f3n de Servicio (DoS). Este problema afecta a Juniper Networks Junos OS en la serie QFX10K: todas las versiones anteriores a 19.4R3-S9; Versiones 20.2 anteriores a 20.2R3-S6; Versiones 20.3 anteriores a 20.3R3-S6; Versiones 20.4 anteriores a 20.4R3-S5; Versiones 21.1 anteriores a 21.1R3-S4; Versiones 21.2 anteriores a 21.2R3-S3; Versiones 21.3 anteriores a 21.3R3-S2; Versiones 21.4 anteriores a 21.4R2-S2, 21.4R3; Versiones 22.1 anteriores a 22.1R2; Versiones 22.2 anteriores a 22.2R1-S2, 22.2R2."}], "id": "CVE-2023-22399", "lastModified": "2026-06-17T05:35:21.257", "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": "sirt@juniper.net", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-22399", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-07T15:08:09.076242Z", "version": "2.0.3"}}]}, "published": "2023-01-13T00:15:10.447", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA70195"}, {"source": "sirt@juniper.net", "tags": ["Product"], "url": "https://www.juniper.net/documentation/us/en/software/junos/network-mgmt/topics/topic-map/sflow-monitoring-technology.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA70195"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product"], "url": "https://www.juniper.net/documentation/us/en/software/junos/network-mgmt/topics/topic-map/sflow-monitoring-technology.html"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "sirt@juniper.net", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-120"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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