CVE-2020-1645

{"containers": {"cna": {"affected": [{"platforms": ["MX Series"], "product": "Junos OS", "vendor": "Juniper Networks", "versions": [{"lessThan": "17.3R2", "status": "unaffected", "version": "unspecified", "versionType": "custom"}, {"status": "unaffected", "version": "17.4"}, {"status": "unaffected", "version": "18.1"}, {"status": "unaffected", "version": "18.2"}, {"lessThan": "17.3R3-S8", "status": "affected", "version": "17.3", "versionType": "custom"}, {"lessThan": "18.3R2-S4, 18.3R3-S1", "status": "affected", "version": "18.3", "versionType": "custom"}, {"lessThan": "18.4R2-S5, 18.4R3", "status": "affected", "version": "18.4", "versionType": "custom"}, {"lessThan": "19.1R2-S2, 19.1R3", "status": "affected", "version": "19.1", "versionType": "custom"}, {"lessThan": "19.2R1-S5, 19.2R2", "status": "affected", "version": "19.2", "versionType": "custom"}, {"lessThan": "19.3R2-S3, 19.3R3", "status": "affected", "version": "19.3", "versionType": "custom"}, {"lessThan": "19.4R1-S3, 19.4R2", "status": "affected", "version": "19.4", "versionType": "custom"}]}], "configurations": [{"lang": "en", "value": "The example of the configuration stanza affected by this issue is as follows:\n [services service-set <SERVICE-SET-NAME>]\n user@host# set web-filter-profile <PROFILE_NAME>\n\nused in combination with: \n [services web-filter profile <PROFILE_NAME>]\n user@host# set dns-filter-template <TEMPLATE_NAME>"}], "datePublic": "2020-07-08T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "When DNS filtering is enabled on Juniper Networks Junos MX Series with one of the following cards MS-PIC, MS-MIC or MS-MPC, an incoming stream of packets processed by the Multiservices PIC Management Daemon (mspmand) process, responsible for managing \"URL Filtering service\", may crash, causing the Services PIC to restart. While the Services PIC is restarting, all PIC services including DNS filtering service (DNS sink holing) will be bypassed until the Services PIC completes its boot process. If the issue occurs, system core-dumps output will show a crash of mspmand process: root@device> show system core-dumps -rw-rw---- 1 nobody wheel 575685123 <Date> /var/tmp/pics/mspmand.core.<*>.gz This issue affects Juniper Networks Junos OS: 17.3 versions prior to 17.3R3-S8; 18.3 versions prior to 18.3R2-S4, 18.3R3-S1; 18.4 versions prior to 18.4R2-S5, 18.4R3; 19.1 versions prior to 19.1R2-S2, 19.1R3; 19.2 versions prior to 19.2R1-S5, 19.2R2; 19.3 versions prior to 19.3R2-S3, 19.3R3; 19.4 versions prior to 19.4R1-S3, 19.4R2. 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While the Services PIC is restarting, all PIC services including DNS filtering service (DNS sink holing) will be bypassed until the Services PIC completes its boot process. If the issue occurs, system core-dumps output will show a crash of mspmand process: root@device> show system core-dumps -rw-rw---- 1 nobody wheel 575685123 <Date> /var/tmp/pics/mspmand.core.<*>.gz This issue affects Juniper Networks Junos OS: 17.3 versions prior to 17.3R3-S8; 18.3 versions prior to 18.3R2-S4, 18.3R3-S1; 18.4 versions prior to 18.4R2-S5, 18.4R3; 19.1 versions prior to 19.1R2-S2, 19.1R3; 19.2 versions prior to 19.2R1-S5, 19.2R2; 19.3 versions prior to 19.3R2-S3, 19.3R3; 19.4 versions prior to 19.4R1-S3, 19.4R2. 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"cpe:2.3:o:juniper:junos:19.3:r2-s2:*:*:*:*:*:*", "matchCriteriaId": "3935A586-41BD-4FA5-9596-DED6F0864777", "vulnerable": true}, {"criteria": "cpe:2.3:o:juniper:junos:19.4:r1:*:*:*:*:*:*", "matchCriteriaId": "DC743EE4-8833-452A-94DB-655BF139F883", "vulnerable": true}, {"criteria": "cpe:2.3:o:juniper:junos:19.4:r1-s1:*:*:*:*:*:*", "matchCriteriaId": "FE96A8EA-FFE3-4D8F-9266-21899149D634", "vulnerable": true}, {"criteria": "cpe:2.3:o:juniper:junos:19.4:r1-s2:*:*:*:*:*:*", "matchCriteriaId": "C12A75C6-2D00-4202-B861-00FF71585FA0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "When DNS filtering is enabled on Juniper Networks Junos MX Series with one of the following cards MS-PIC, MS-MIC or MS-MPC, an incoming stream of packets processed by the Multiservices PIC Management Daemon (mspmand) process, responsible for managing \"URL Filtering service\", may crash, causing the Services PIC to restart. While the Services PIC is restarting, all PIC services including DNS filtering service (DNS sink holing) will be bypassed until the Services PIC completes its boot process. If the issue occurs, system core-dumps output will show a crash of mspmand process: root@device> show system core-dumps -rw-rw---- 1 nobody wheel 575685123 <Date> /var/tmp/pics/mspmand.core.<*>.gz This issue affects Juniper Networks Junos OS: 17.3 versions prior to 17.3R3-S8; 18.3 versions prior to 18.3R2-S4, 18.3R3-S1; 18.4 versions prior to 18.4R2-S5, 18.4R3; 19.1 versions prior to 19.1R2-S2, 19.1R3; 19.2 versions prior to 19.2R1-S5, 19.2R2; 19.3 versions prior to 19.3R2-S3, 19.3R3; 19.4 versions prior to 19.4R1-S3, 19.4R2. This issue does not affect Juniper Networks Junos OS releases prior to 17.3R2."}, {"lang": "es", "value": "Cuando el filtrado de DNS est\u00e1 habilitado en Juniper Networks Junos MX Series con una de las siguientes tarjetas MS-PIC, MS-MIC o MS-MPC, un flujo entrante de paquetes procesados ??por el proceso Multiservices PIC Management Daemon (mspmand), responsable de administrar \"URL Filtering service\", puede bloquearse y causar que se reinicie el PIC de Servicios. Mientras se reinicia el PIC de Servicios, todos los servicios de PIC, incluyendo el servicio de filtrado de DNS (DNS sink holing) ser\u00e1n omitidos hasta que el PIC de Servicios complete su proceso de arranque. Si se produce el problema, la salida core-dumps del sistema mostrar\u00e1 un bloqueo del proceso mspmand: root@device) show system core-dumps -rw-rw---- 1 nobody wheel 575685123 (Date) /var/tmp/pics/mspmand.core.(*).gz. Este problema afecta a Juniper Networks Junos OS: versiones 17.3 anteriores a 17.3R3-S8; versiones 18.3 anteriores a 18.3R2-S4, 18.3R3-S1; versiones 18.4 anteriores a 18.4R2-S5, 18.4R3; versiones 19.1 anteriores a 19.1R2-S2, 19.1R3; versiones 19.2 anteriores a 19.2R1-S5, 19.2R2; versiones 19.3 anteriores a 19.3R2-S3, 19.3R3; versiones 19.4 anteriores a 19.4R1-S3, 19.4R2. Este problema no afecta a Juniper Networks Junos OS versiones anteriores a 17.3R2"}], "id": "CVE-2020-1645", "lastModified": "2026-06-17T03:02:06.223", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.7, "source": "sirt@juniper.net", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-07-17T19:15:12.970", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA11028"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA11028"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-362"}], "source": "sirt@juniper.net", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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