{"containers": {"cna": {"affected": [{"product": "Junos OS", "vendor": "Juniper Networks", "versions": [{"lessThan": "17.3R3-S9", "status": "affected", "version": "17.3", "versionType": "custom"}, {"lessThan": "17.4R2-S11, 17.4R3-S2, 17.4R3-S3", "status": "affected", "version": "17.4", "versionType": "custom"}, {"lessThan": "18.1R3-S11", "status": "affected", "version": "18.1", "versionType": "custom"}, {"lessThan": "18.2R3-S5", "status": "affected", "version": "18.2", "versionType": "custom"}, {"lessThan": "18.2X75-D34, 18.2X75-D65", "status": "affected", "version": "18.2X75", "versionType": "custom"}, {"lessThan": "18.3R2-S4, 18.3R3-S3", "status": "affected", "version": "18.3", "versionType": "custom"}, {"lessThan": "18.4R2-S5, 18.4R3-S4", "status": "affected", "version": "18.4", "versionType": "custom"}, {"lessThan": "19.1R2-S2, 19.1R3-S2", "status": "affected", "version": "19.1", "versionType": "custom"}, {"lessThan": "19.2R1-S5, 19.2R2-S1, 19.2R3", "status": "affected", "version": "19.2", "versionType": "custom"}, {"lessThan": "19.3R2-S4, 19.3R2-S4, 19.3R3", "status": "affected", "version": "19.3", "versionType": "custom"}, {"lessThan": "19.4R1-S3, 19.4R2-S1, 19.4R3", "status": "affected", "version": "19.4", "versionType": "custom"}, {"lessThan": "20.1R1-S3, 20.1R2", "status": "affected", "version": "20.1", "versionType": "custom"}]}], "configurations": [{"lang": "en", "value": "The example of the config stanza affected by this issue:\n [forwarding-options dhcp-relay dhcpv6]"}], "datePublic": "2020-10-14T00:00:00", "descriptions": [{"lang": "en", "value": "On Juniper Networks Junos OS devices configured with DHCPv6 relay enabled, receipt of a specific DHCPv6 packet might crash the jdhcpd daemon. The jdhcpd daemon automatically restarts without intervention, but continuous receipt of specific crafted DHCP messages will repeatedly crash jdhcpd, leading to an extended Denial of Service (DoS) condition. Only DHCPv6 packet can trigger this issue. DHCPv4 packet cannot trigger this issue. 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This issue affects Juniper Networks Junos OS: 17.3 versions prior to 17.3R3-S9; 17.4 versions prior to 17.4R2-S11, 17.4R3-S2, 17.4R3-S3; 18.1 versions prior to 18.1R3-S11; 18.2 versions prior to 18.2R3-S5; 18.3 versions prior to 18.3R2-S4, 18.3R3-S3; 18.4 versions prior to 18.4R2-S5, 18.4R3-S4; 19.1 versions prior to 19.1R2-S2, 19.1R3-S2; 19.2 versions prior to 19.2R1-S5, 19.2R2-S1, 19.2R3; 19.3 versions prior to 19.3R2-S4, 19.3R2-S4, 19.3R3; 19.4 versions prior to 19.4R1-S3, 19.4R2-S1, 19.4R3; 20.1 versions prior to 20.1R1-S3, 20.1R2."}]}, "exploit": [{"lang": "en", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}], "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"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"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Denial of Service (DoS)"}]}, {"description": [{"lang": "eng", "value": "CWE-20 Improper Input Validation"}]}]}, "references": {"reference_data": [{"name": "https://kb.juniper.net/JSA11069", "refsource": "CONFIRM", "url": "https://kb.juniper.net/JSA11069"}]}, "solution": [{"lang": "en", "value": "The following software releases have been updated to resolve this specific issue: Junos OS 17.3R3-S9, 17.4R2-S11, 17.4R3-S2, 17.4R3-S3, 18.1R3-S11, 18.2R3-S5, 18.2X75-D34, 18.2X75-D65, 18.3R2-S4, 18.3R3-S3, 18.4R2-S5, 18.4R3-S4, 19.1R2-S2, 19.1R3-S2, 19.2R1-S5, 19.2R3, 19.3R2-S4, 19.3R3, 19.4R1-S3, 19.4R2-S1, 19.4R3, 20.1R1-S3, 20.1R2, 20.2R1, 20.3X75-D10, and all subsequent releases."}], "source": {"advisory": "JSA11069", "defect": ["1512765"], "discovery": "USER"}, "work_around": [{"lang": "en", "value": "There are no viable workarounds for this issue."}]}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T06:46:30.191Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://kb.juniper.net/JSA11069"}]}]}, "cveMetadata": {"assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "assignerShortName": "juniper", "cveId": "CVE-2020-1672", "datePublished": "2020-10-16T20:31:30.855474Z", "dateReserved": "2019-11-04T00:00:00", "dateUpdated": "2024-09-16T19:15:50.508Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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"C12A75C6-2D00-4202-B861-00FF71585FA0", "vulnerable": true}, {"criteria": "cpe:2.3:o:juniper:junos:19.4:r2:*:*:*:*:*:*", "matchCriteriaId": "4DCFA774-96EF-4018-82CF-95C807025C24", "vulnerable": true}, {"criteria": "cpe:2.3:o:juniper:junos:20.1:r1:*:*:*:*:*:*", "matchCriteriaId": "8328FDE6-9707-4142-B905-3B07C0E28E35", "vulnerable": true}, {"criteria": "cpe:2.3:o:juniper:junos:20.1:r1-s1:*:*:*:*:*:*", "matchCriteriaId": "41CD982F-E6F2-4951-9F96-A76C142DF08E", "vulnerable": true}, {"criteria": "cpe:2.3:o:juniper:junos:20.1:r1-s2:*:*:*:*:*:*", "matchCriteriaId": "19FDC05F-5582-4F7E-B628-E58A3C0E7F2F", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "On Juniper Networks Junos OS devices configured with DHCPv6 relay enabled, receipt of a specific DHCPv6 packet might crash the jdhcpd daemon. The jdhcpd daemon automatically restarts without intervention, but continuous receipt of specific crafted DHCP messages will repeatedly crash jdhcpd, leading to an extended Denial of Service (DoS) condition. Only DHCPv6 packet can trigger this issue. DHCPv4 packet cannot trigger this issue. This issue affects Juniper Networks Junos OS: 17.3 versions prior to 17.3R3-S9; 17.4 versions prior to 17.4R2-S11, 17.4R3-S2, 17.4R3-S3; 18.1 versions prior to 18.1R3-S11; 18.2 versions prior to 18.2R3-S5; 18.3 versions prior to 18.3R2-S4, 18.3R3-S3; 18.4 versions prior to 18.4R2-S5, 18.4R3-S4; 19.1 versions prior to 19.1R2-S2, 19.1R3-S2; 19.2 versions prior to 19.2R1-S5, 19.2R2-S1, 19.2R3; 19.3 versions prior to 19.3R2-S4, 19.3R2-S4, 19.3R3; 19.4 versions prior to 19.4R1-S3, 19.4R2-S1, 19.4R3; 20.1 versions prior to 20.1R1-S3, 20.1R2."}, {"lang": "es", "value": "En los dispositivos Juniper Networks Junos OS configurados con la retransmisi\u00f3n DHCPv6 habilitada, la recepci\u00f3n de un paquete DHCPv6 espec\u00edfico podr\u00eda bloquear el demonio jdhcpd.&#xa0;El demonio jdhcpd se reinicia autom\u00e1ticamente sin intervenci\u00f3n, pero la recepci\u00f3n continua de mensajes DHCP espec\u00edficos dise\u00f1ados bloquear\u00e1 repetidamente jdhcpd, conllevando una condici\u00f3n de denegaci\u00f3n de servicio (DoS) extendida.&#xa0;Solo el paquete DHCPv6 puede desencadenar este problema.&#xa0;El paquete DHCPv4 no puede desencadenar este problema.&#xa0;Este problema afecta a Juniper Networks Junos OS: versiones 17.3 anteriores a 17.3R3-S9;&#xa0;versiones 17.4 anteriores a 17.4R2-S11, 17.4R3-S2, 17.4R3-S3;&#xa0;versiones 18.1 anteriores a 18.1R3-S11;&#xa0;versiones 18.2 anteriores a 18.2R3-S5;&#xa0;versiones 18.3 anteriores a 18.3R2-S4, 18.3R3-S3;&#xa0;versiones 18.4 anteriores a 18.4R2-S5, 18.4R3-S4;&#xa0;versiones 19.1 anteriores a 19.1R2-S2, 19.1R3-S2;&#xa0;versiones 19.2 anteriores a 19.2R1-S5, 19.2R2-S1, 19.2R3;&#xa0;versiones 19.3 anteriores a 19.&#xa0;3R2-S4, 19.3R2-S4, 19.3R3;&#xa0;versiones 19.4 anteriores a 19.4R1-S3, 19.4R2-S1, versiones 20.1 anteriores a 20.1R1-S3, 20.1R2"}], "id": "CVE-2020-1672", "lastModified": "2024-11-21T05:11:07.947", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "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": "2020-10-16T21:15:13.147", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA11069"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA11069"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Modified", "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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