{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2023-22396", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "assignerShortName": "juniper", "dateUpdated": "2025-04-07T15:41:27.867Z", "dateReserved": "2022-12-27T00:00:00.000Z", "datePublished": "2023-01-12T00:00:00.000Z"}, "containers": {"cna": {"title": "Junos OS: Receipt of crafted TCP packets destined to the device results in MBUF leak leading to a Denial of Service (DoS)", "datePublic": "2023-01-11T00:00:00.000Z", "providerMetadata": {"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper", "dateUpdated": "2023-01-12T00:00:00.000Z"}, "descriptions": [{"lang": "en", "value": "An Uncontrolled Resource Consumption vulnerability in TCP processing on the Routing Engine (RE) of Juniper Networks Junos OS allows an unauthenticated network-based attacker to send crafted TCP packets destined to the device, resulting in an MBUF leak that ultimately leads to a Denial of Service (DoS). The system does not recover automatically and must be manually restarted to restore service. This issue occurs when crafted TCP packets are sent directly to a configured IPv4 or IPv6 interface on the device. Transit traffic will not trigger this issue. MBUF usage can be monitored through the use of the 'show system buffers' command. 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The system does not recover automatically and must be manually restarted to restore service. This issue occurs when crafted TCP packets are sent directly to a configured IPv4 or IPv6 interface on the device. Transit traffic will not trigger this issue. MBUF usage can be monitored through the use of the 'show system buffers' command. For example: user@junos> show system buffers | refresh 5 4054/566/4620 mbufs in use (current/cache/total) ... 4089/531/4620 mbufs in use (current/cache/total) ... 4151/589/4740 mbufs in use (current/cache/total) ... 4213/527/4740 mbufs in use (current/cache/total) This issue affects Juniper Networks Junos OS: 12.3 version 12.3R12-S19 and later versions; 15.1 version 15.1R7-S10 and later versions; 17.3 version 17.3R3-S12 and later versions; 18.4 version 18.4R3-S9 and later versions; 19.1 version 19.1R3-S7 and later versions; 19.2 version 19.2R3-S3 and later versions; 19.3 version 19.3R2-S7, 19.3R3-S3 and later versions prior to 19.3R3-S7; 19.4 version 19.4R2-S7, 19.4R3-S5 and later versions prior to 19.4R3-S10; 20.1 version 20.1R3-S1 and later versions; 20.2 version 20.2R3-S2 and later versions prior to 20.2R3-S6; 20.3 version 20.3R3-S1 and later versions prior to 20.3R3-S6; 20.4 version 20.4R2-S2, 20.4R3 and later versions prior to 20.4R3-S5; 21.1 version 21.1R2 and later versions prior to 21.1R3-S4; 21.2 version 21.2R1-S1, 21.2R2 and later versions prior to 21.2R3-S3; 21.3 versions prior to 21.3R3-S2; 21.4 versions prior to 21.4R3; 22.1 versions prior to 22.1R2-S1, 22.1R3; 22.2 versions prior to 22.2R1-S2, 22.2R2; 22.3 versions prior to 22.3R1-S1, 22.3R2."}, {"lang": "es", "value": "Una vulnerabilidad de consumo de recursos no controlado en el procesamiento TCP en el motor de enrutamiento (RE) de Juniper Networks Junos OS permite que un atacante basado en red no autenticado env\u00ede paquetes TCP manipulados destinados al dispositivo, lo que resulta en una fuga de MBUF que finalmente conduce a una denegaci\u00f3n de servicio (DoS). El sistema no se recupera autom\u00e1ticamente y debe reiniciarse manualmente para restaurar el servicio. Este problema ocurre cuando los paquetes TCP manipulados se env\u00edan directamente a una interfaz IPv4 o IPv6 configurada en el dispositivo. El tr\u00e1fico de tr\u00e1nsito no provocar\u00e1 este problema. El uso de MBUF se puede monitorear mediante el uso del comando 'show system b\u00fafers'. Por ejemplo: user@junos> show system b\u00fafers | refresh5 4054/566/4620 mbufs en uso (actual/cach\u00e9/total) ... 4089/531/4620 mbufs en uso (actual/cach\u00e9/total) ... 4151/589/4740 mbufs en uso (actual/cach\u00e9 /total) ... 4213/527/4740 mbufs en uso (actual/cach\u00e9/total) Este problema afecta a Juniper Networks Junos OS: 12.3 versi\u00f3n 12.3R12-S19 y versiones posteriores; 15.1 versi\u00f3n 15.1R7-S10 y versiones posteriores; 17.3 versi\u00f3n 17.3R3-S12 y versiones posteriores; 18.4 versi\u00f3n 18.4R3-S9 y versiones posteriores; 19.1 versi\u00f3n 19.1R3-S7 y versiones posteriores; 19.2 versi\u00f3n 19.2R3-S3 y versiones posteriores; 19.3 versi\u00f3n 19.3R2-S7, 19.3R3-S3 y versiones posteriores anteriores a 19.3R3-S7; 19.4 versi\u00f3n 19.4R2-S7, 19.4R3-S5 y versiones posteriores anteriores a 19.4R3-S10; 20.1 versi\u00f3n 20.1R3-S1 y versiones posteriores; 20.2 versi\u00f3n 20.2R3-S2 y versiones posteriores anteriores a 20.2R3-S6; 20.3 versi\u00f3n 20.3R3-S1 y versiones posteriores anteriores a 20.3R3-S6; 20.4 versi\u00f3n 20.4R2-S2, 20.4R3 y versiones posteriores anteriores a 20.4R3-S5; 21.1 versi\u00f3n 21.1R2 y versiones posteriores anteriores a 21.1R3-S4; 21.2 versi\u00f3n 21.2R1-S1, 21.2R2 y versiones posteriores anteriores a 21.2R3-S3; Versiones 21.3 anteriores a 21.3R3-S2; Versiones 21.4 anteriores a 21.4R3; Versiones 22.1 anteriores a 22.1R2-S1, 22.1R3; Versiones 22.2 anteriores a 22.2R1-S2, 22.2R2; Versiones 22.3 anteriores a 22.3R1-S1, 22.3R2."}], "id": "CVE-2023-22396", "lastModified": "2024-11-21T07:44:43.780", "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"}]}, "published": "2023-01-13T00:15:10.197", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA70192"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA70192"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "sirt@juniper.net", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-400"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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