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vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based, attacker to cause Denial of Service (DoS). A PFE crash will happen when a GPRS Tunnel Protocol (GTP) packet is received with a malformed field in the IP header of GTP encapsulated General Packet Radio Services (GPRS) traffic. The packet needs to match existing state which is outside the attackers control, so the issue cannot be directly exploited. The issue will only be observed when endpoint address validation is enabled. This issue affects Juniper Networks Junos OS on SRX Series: 20.2 versions prior to 20.2R3-S5; 20.3 versions prior to 20.3R3-S4; 20.4 versions prior to 20.4R3-S3; 21.1 versions prior to 21.1R3-S2; 21.2 versions prior to 21.2R3-S1; 21.3 versions prior to 21.3R3; 21.4 versions prior to 21.4R1-S2, 21.4R2; 22.1 versions prior to 22.1R1-S1, 22.1R2. This issue does not affect Juniper Networks Junos OS versions prior to 20.2R1."}, {"lang": "es", "value": "Una vulnerabilidad de Comprobaci\u00f3n Inapropiada de Condiciones Inusuales o Excepcionales en Packet Forwarding Engine (PFE) del Juniper Networks Junos OS en la serie SRX permite a un atacante no autenticado, basado en la red, causar una Denegaci\u00f3n de Servicio (DoS). Un bloqueo del PFE es producido cuando es recibido un paquete del protocolo de t\u00fanel GPRS (GTP) con un campo malformado en la cabecera IP del tr\u00e1fico de servicios generales de radio por paquetes (GPRS) encapsulado por GTP. El paquete debe coincidir con el estado existente, lo que est\u00e1 fuera del control de los atacantes, por lo que el problema no puede ser explotado directamente. El problema s\u00f3lo ser\u00e1 observado cuando la comprobaci\u00f3n de la direcci\u00f3n del endpoint est\u00e9 habilitada. Este problema afecta a Juniper Networks Junos OS en la serie SRX: versiones 20.2 anteriores a 20.2R3-S5; versiones 20.3 anteriores a 20.3R3-S4; versiones 20.4 anteriores a 20.4R3-S3; versiones 21. 1 versiones anteriores a 21.1R3-S2; 21.2 versiones anteriores a 21.2R3-S1; 21.3 versiones anteriores a 21.3R3; 21.4 versiones anteriores a 21.4R1-S2, 21.4R2; 22.1 versiones anteriores a 22.1R1-S1, 22.1R2. Este problema no afecta a Juniper Networks Junos OS versiones anteriores a 20.2R1"}], "id": "CVE-2022-22235", "lastModified": "2022-10-21T19:01:08.627", "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": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "sirt@juniper.net", "type": "Secondary"}]}, "published": "2022-10-18T03:15:10.537", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA69891"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-754"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-754"}], "source": "sirt@juniper.net", "type": "Secondary"}]}

{}