{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2023-22399", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "assignerShortName": "juniper", "dateUpdated": "2024-08-02T10:07:06.528Z", "dateReserved": "2022-12-27T00:00:00", "datePublished": "2023-01-12T00:00:00"}, "containers": {"cna": {"title": "Junos OS: QFX10K Series: PFE crash upon receipt of specific genuine packets when sFlow is enabled", "datePublic": "2023-01-11T00:00:00", "providerMetadata": {"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper", "dateUpdated": "2023-01-12T00:00:00"}, "descriptions": [{"lang": "en", "value": "When sFlow is enabled and it monitors a packet forwarded via ECMP, a buffer management vulnerability in the dcpfe process of Juniper Networks Junos OS on QFX10K Series systems allows an attacker to cause the Packet Forwarding Engine (PFE) to crash and restart by sending specific genuine packets to the device, 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."}], "affected": [{"vendor": "Juniper Networks", "product": "Junos OS", "versions": [{"version": "unspecified", "lessThan": "19.4R3-S9", "status": "affected", "versionType": "custom"}, {"version": "20.2", "status": "affected", "lessThan": "20.2R3-S6", "versionType": "custom"}, {"version": "20.3", "status": "affected", "lessThan": "20.3R3-S6", "versionType": "custom"}, {"version": "20.4", "status": "affected", "lessThan": "20.4R3-S5", "versionType": "custom"}, {"version": "21.1", "status": "affected", "lessThan": "21.1R3-S4", "versionType": "custom"}, {"version": "21.2", "status": "affected", "lessThan": "21.2R3-S3", "versionType": "custom"}, {"version": "21.3", "status": "affected", "lessThan": "21.3R3-S2", "versionType": "custom"}, {"version": "21.4", "status": "affected", "lessThan": "21.4R2-S2, 21.4R3", "versionType": "custom"}, {"version": "22.1", "status": "affected", "lessThan": "22.1R2", "versionType": "custom"}, {"version": "22.2", "status": "affected", "lessThan": "22.2R1-S2, 22.2R2", "versionType": "custom"}], "platforms": ["QFX10K Series"]}], "references": [{"url": "https://kb.juniper.net/JSA70195"}, {"url": "https://www.juniper.net/documentation/us/en/software/junos/network-mgmt/topics/topic-map/sflow-monitoring-technology.html"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-120 Buffer Overflow", "cweId": "CWE-120"}]}, {"descriptions": [{"type": "text", "lang": "en", "description": "Denial of Service (DoS)"}]}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "source": {"advisory": "JSA70195", "defect": ["1668330"], "discovery": "USER"}, "configurations": [{"lang": "en", "value": "This issue only affects systems with sFlow enabled. An example sFlow configuration is shown below:\n\n [protocols sflow collector <ip-address> udp-port <port-number>]\n [protocols sflow interfaces <interface-name> polling-interval <seconds> sample-rate <number>]\n"}], "workarounds": [{"lang": "en", "value": "1. Prevent sflow from monitoring ECMP forwarded packets.\n\n2. Temporarily disable sFlow to mitigate this issue.\n"}], "exploits": [{"lang": "en", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}], "solutions": [{"lang": "en", "value": "The following software releases have been updated to resolve this specific issue: 19.4R3-S9, 20.2R3-S6, 20.3R3-S6, 20.4R3-S5, 21.1R3-S4, 21.2R3-S3, 21.3R3-S2, 21.4R2-S2, 21.4R3, 22.1R2, 22.2R1-S2, 22.2R2, 22.3R1, and all subsequent releases.\n"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T10:07:06.528Z"}, "title": "CVE Program Container", "references": [{"url": "https://kb.juniper.net/JSA70195", "tags": ["x_transferred"]}, {"url": "https://www.juniper.net/documentation/us/en/software/junos/network-mgmt/topics/topic-map/sflow-monitoring-technology.html", "tags": ["x_transferred"]}]}]}}

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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. 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": "2023-01-24T19:02:14.717", "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": "Primary"}]}, "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"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-120"}], "source": "sirt@juniper.net", "type": "Secondary"}]}

{}