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(DoS).\u00a0\n\nWhen specifically crafted transit MPLS IPv4 packets are received by the Packet Forwarding Engine (PFE), these packets are internally forwarded to the RE.\u00a0Continued receipt of these packets may create a sustained Denial of Service (DoS) condition.\n\nThis issue affects Juniper Networks Junos OS:\n\n * All versions before 21.2R3-S8-EVO;\n * from 21.4-EVO before 21.4R3-S6-EVO;\n * from 22.2-EVO before 22.2R3-S4-EVO;\n * from 22.3-EVO before 22.3R3-S3-EVO;\n * from 22.4-EVO before 22.4R3-EVO;\n * from 23.2-EVO before 23.2R2-EVO.\n * from 23.4-EVO before 23.4R1-S1-EVO."}, {"lang": "es", "value": "Una vulnerabilidad de validaci\u00f3n de entrada incorrecta en Juniper Tunnel Driver (jtd) y el m\u00f3dulo ICMP de Juniper Networks Junos OS Evolved permite a un atacante no autenticado dentro del dominio administrativo MPLS enviar paquetes espec\u00edficamente manipulados al motor de enrutamiento (RE) para provocar una denegaci\u00f3n de servicio (DoS). ). Cuando el motor de reenv\u00edo de paquetes (PFE) recibe paquetes MPLS IPv4 de tr\u00e1nsito espec\u00edficamente manipulados, estos paquetes se reenv\u00edan internamente al RE. La recepci\u00f3n continua de estos paquetes puede crear una condici\u00f3n sostenida de Denegaci\u00f3n de Servicio (DoS). Este problema afecta a Juniper Networks Junos OS: * Todas las versiones anteriores a 21.2R3-S8-EVO; * desde 21.4-EVO antes de 21.4R3-S6-EVO; * de 22.2-EVO antes de 22.2R3-S4-EVO; *de 22.3-EVO antes de 22.3R3-S3-EVO; * de 22.4-EVO antes de 22.4R3-EVO; *desde 23.2-EVO antes 23.2R2-EVO. *desde 23.4-EVO antes 23.4R1-S1-EVO."}], "id": "CVE-2024-21590", "lastModified": "2025-01-23T15:29:31.793", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 3.6, "source": "sirt@juniper.net", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "automatable": "NOT_DEFINED", "availabilityRequirements": "NOT_DEFINED", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityRequirements": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirements": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubsequentSystemAvailability": "NOT_DEFINED", "modifiedSubsequentSystemConfidentiality": "NOT_DEFINED", "modifiedSubsequentSystemIntegrity": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnerableSystemAvailability": "NOT_DEFINED", "modifiedVulnerableSystemConfidentiality": "NOT_DEFINED", "modifiedVulnerableSystemIntegrity": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "recovery": "NOT_DEFINED", "safety": "NOT_DEFINED", "subsequentSystemAvailability": "NONE", "subsequentSystemConfidentiality": "NONE", "subsequentSystemIntegrity": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnerabilityResponseEffort": "NOT_DEFINED", "vulnerableSystemAvailability": "NONE", "vulnerableSystemConfidentiality": "NONE", "vulnerableSystemIntegrity": "HIGH"}, "source": "sirt@juniper.net", "type": "Secondary"}]}, "published": "2024-04-12T15:15:22.983", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://supportportal.juniper.net/JSA75728"}, {"source": "sirt@juniper.net", "tags": ["Issue Tracking"], "url": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://supportportal.juniper.net/JSA75728"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking"], "url": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "sirt@juniper.net", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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