{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2022-22225", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "assignerShortName": "juniper", "datePublished": "2022-10-18T02:46:26.844453Z", "dateUpdated": "2024-09-16T18:24:41.369Z", "dateReserved": "2021-12-21T00:00:00"}, "containers": {"cna": {"title": "Junos OS and Junos OS Evolved: In a BGP multipath scenario, when one of the contributing routes is flapping often and rapidly, rpd may crash", "datePublic": "2022-10-12T00:00:00", "providerMetadata": {"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper", "dateUpdated": "2022-10-18T00:00:00"}, "descriptions": [{"lang": "en", "value": "A Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in the Routing Protocol Daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated attacker with an established BGP session to cause a Denial of Service (DoS). In a BGP multipath scenario, when one of the contributing routes is flapping often and rapidly, rpd may crash. As this crash depends on whether a route is a contributing route, and on the internal timing of the events triggered by the flap this vulnerability is outside the direct control of a potential attacker. This issue affects: Juniper Networks Junos OS 19.2 versions prior to 19.2R3-S6; 20.2 versions prior to 20.2R3-S4; 20.3 versions prior to 20.3R3-S3; 20.4 versions prior to 20.4R3-S4; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2; 21.3 versions prior to 21.3R2. Juniper Networks Junos OS Evolved All versions prior to 20.4R3-S4-EVO; 21.1-EVO version 21.1R1-EVO and later versions; 21.2-EVO versions prior to 21.2R2-EVO; 21.3-EVO versions prior to 21.3R2-EVO. This issue does not affect: Juniper Networks Junos OS versions 19.2 versions prior to 19.2R2, 19.3R1 and above prior to 20.2R1. Juniper Networks Junos OS Evolved versions prior to 20.2R1-EVO."}], "affected": [{"vendor": "Juniper Networks", "product": "Junos OS", "versions": [{"version": "19.2", "status": "unaffected", "lessThan": "19.2R2", "versionType": "custom", "changes": [{"at": "19.2R3-S6", "status": "unaffected"}]}, {"version": "19.3R1", "status": "unaffected", "lessThan": "19.3*", "versionType": "custom"}, {"version": "19.4R1", "status": "unaffected", "lessThan": "19.4*", "versionType": "custom"}, {"version": "20.1R1", "status": "unaffected", "lessThan": "20.1*", "versionType": "custom"}, {"version": "20.2", "status": "affected", "lessThan": "20.2R3-S4", "versionType": "custom"}, {"version": "20.3", "status": "affected", "lessThan": "20.3R3-S3", "versionType": "custom"}, {"version": "20.4", "status": "affected", "lessThan": "20.4R3-S4", "versionType": "custom"}, {"version": "21.1", "status": "affected", "lessThan": "21.1R3", "versionType": "custom"}, {"version": "21.2", "status": "affected", "lessThan": "21.2R2", "versionType": "custom"}, {"version": "21.3", "status": "affected", "lessThan": "21.3R2", "versionType": "custom"}]}, {"vendor": "Juniper Networks", "product": "Junos OS Evolved", "versions": [{"version": "unspecified", "lessThan": "20.4R3-S4-EVO", "status": "affected", "versionType": "custom"}, {"version": "unspecified", "lessThan": "20.2R1-EVO", "status": "unaffected", "versionType": "custom"}, {"version": "21.1R1-EVO", "status": "affected", "lessThan": "21.1-EVO*", "versionType": "custom"}, {"version": "21.2-EVO", "status": "affected", "lessThan": "21.2R2-EVO", "versionType": "custom"}, {"version": "21.3-EVO", "status": "affected", "lessThan": "21.3R2-EVO", "versionType": "custom"}]}], "references": [{"url": "https://kb.juniper.net/JSA69875"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM"}}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "Denial of Service (DoS)"}]}, {"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition", "cweId": "CWE-367"}]}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "source": {"advisory": "JSA69875", "defect": ["1611128"], "discovery": "INTERNAL"}, "configurations": [{"lang": "en", "value": "A device can only be affected if the following BGP multipath configuration is in place:\n\n [protocols bgp ... multipath]"}], "workarounds": [{"lang": "en", "value": "There are no viable workarounds for this issue."}], "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: \nJunos OS: 19.2R3-S6, 20.2R3-S4, 20.3R3-S3, 20.4R3-S4, 21.1R2, 21.2R2, 21.3R2, 21.4R1, and all subsequent releases.\nJunos OS Evolved: 20.4R3-S4-EVO, 21.2R2-EVO, 21.3R2-EVO, 21.4R1-EVO, and all subsequent releases."}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T03:07:50.156Z"}, "title": "CVE Program Container", "references": [{"url": "https://kb.juniper.net/JSA69875", "tags": ["x_transferred"]}]}]}}

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In a BGP multipath scenario, when one of the contributing routes is flapping often and rapidly, rpd may crash. As this crash depends on whether a route is a contributing route, and on the internal timing of the events triggered by the flap this vulnerability is outside the direct control of a potential attacker. This issue affects: Juniper Networks Junos OS 19.2 versions prior to 19.2R3-S6; 20.2 versions prior to 20.2R3-S4; 20.3 versions prior to 20.3R3-S3; 20.4 versions prior to 20.4R3-S4; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R2; 21.3 versions prior to 21.3R2. Juniper Networks Junos OS Evolved All versions prior to 20.4R3-S4-EVO; 21.1-EVO version 21.1R1-EVO and later versions; 21.2-EVO versions prior to 21.2R2-EVO; 21.3-EVO versions prior to 21.3R2-EVO. This issue does not affect: Juniper Networks Junos OS versions 19.2 versions prior to 19.2R2, 19.3R1 and above prior to 20.2R1. Juniper Networks Junos OS Evolved versions prior to 20.2R1-EVO."}, {"lang": "es", "value": "Una vulnerabilidad de Condici\u00f3n de Carrera de Tiempo de comprobaci\u00f3n Tiempo de Uso (TOCTOU) en el demonio de protocolo de enrutamiento (rpd) de Juniper Networks Junos OS y Junos OS Evolved permite a un atacante no autenticado con una sesi\u00f3n BGP establecida causar una Denegaci\u00f3n de Servicio (DoS). En un escenario de rutas m\u00faltiples de BGP, cuando una de las rutas que contribuyen a ello es desplazado con frecuencia y rapidez, rpd puede bloquearse. Como este bloqueo depende de si una ruta es una ruta contribuyente, y del tiempo interno de los eventos desencadenados por el flap, esta vulnerabilidad est\u00e1 fuera del control directo de un potencial atacante. Este problema afecta a: Juniper Networks Junos OS 19.2 versiones anteriores a 19.2R3-S6; 20.2 versiones anteriores a 20.2R3-S4; 20.3 versiones anteriores a 20.3R3-S3; 20.4 versiones anteriores a 20.4R3-S4; 21.1 versiones anteriores a 21.1R3; 21.2 versiones anteriores a 21.2R2; 21.3 versiones anteriores a 21.3R2. Juniper Networks Junos OS Evolved Todas las versiones anteriores a 20.4R3-S4-EVO; 21.1-EVO versi\u00f3n 21.1R1-EVO y versiones posteriores; 21.2-EVO versiones anteriores a 21.2R2-EVO; 21.3-EVO versiones anteriores a 21.3R2-EVO. Este problema no afecta a: Juniper Networks Junos OS versiones 19.2 anteriores a 19.2R2, 19.3R1 y posteriores anteriores a 20.2R1. Las versiones de Junos OS Evolved de Juniper Networks anteriores a 20.2R1-EVO"}], "id": "CVE-2022-22225", "lastModified": "2024-11-21T06:46:25.980", "metrics": {"cvssMetricV31": [{"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": "[email protected]", "type": "Secondary"}]}, "published": "2022-10-18T03:15:09.857", "references": [{"source": "[email protected]", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA69875"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA69875"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-367"}], "source": "[email protected]", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-367"}], "source": "[email protected]", "type": "Primary"}]}

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