CVE-2023-22416

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On all MX Series and SRX Series platform with SIP ALG enabled, when a malformed SIP packet is received, the flow processing daemon (flowd) will crash and restart. This issue affects: Juniper Networks Junos OS on MX Series and SRX Series 20.4 versions prior to 20.4R3-S5; 21.1 versions prior to 21.1R3-S4; 21.2 versions prior to 21.2R3-S2; 21.3 versions prior to 21.3R3-S1; 21.4 versions prior to 21.4R3; 22.1 versions prior to 22.1R1-S2, 22.1R2; 22.2 versions prior to 22.2R1-S1, 22.2R2. This issue does not affect Juniper Networks Junos OS versions prior to 20.4R1 on SRX Series."}, {"lang": "es", "value": "Una vulnerabilidad de desbordamiento de b\u00fafer en SIP ALG de Juniper Networks Junos OS permite que un atacante no autenticado basado en la red provoque una denegaci\u00f3n de servicio (DoS). En todas las plataformas de las series MX y SRX con SIP ALG habilitado, cuando se recibe un paquete SIP con formato incorrecto, el demonio de procesamiento de flujo (flowd) fallar\u00e1 y se reiniciar\u00e1. Este problema afecta a: Juniper Networks Junos OS en las versiones MX Series y SRX Series 20.4 anteriores a 20.4R3-S5; Versiones 21.1 anteriores a 21.1R3-S4; Versiones 21.2 anteriores a 21.2R3-S2; Versiones 21.3 anteriores a 21.3R3-S1; Versiones 21.4 anteriores a 21.4R3; Versiones 22.1 anteriores a 22.1R1-S2, 22.1R2; Versiones 22.2 anteriores a 22.2R1-S1, 22.2R2. Este problema no afecta a las versiones de Juniper Networks Junos OS anteriores a 20.4R1 en la serie SRX."}], "id": "CVE-2023-22416", "lastModified": "2026-06-17T05:35:24.323", "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-2023-22416", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-04-08T16:48:36.598429Z", "version": "2.0.3"}}]}, "published": "2023-01-13T00:15:11.753", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA70212"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA70212"}], "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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