{"containers": {"cna": {"affected": [{"product": "Junos OS", "vendor": "Juniper Networks", "versions": [{"lessThan": "17.4R2", "status": "affected", "version": "17.4", "versionType": "custom"}, {"lessThan": "18.1R2", "status": "affected", "version": "18.1", "versionType": "custom"}]}], "datePublic": "2019-04-10T00:00:00", "descriptions": [{"lang": "en", "value": "Specific IPv6 DHCP packets received by the jdhcpd daemon will cause a memory resource consumption issue to occur on a Junos OS device using the jdhcpd daemon configured to respond to IPv6 requests. Once started, memory consumption will eventually impact any IPv4 or IPv6 request serviced by the jdhcpd daemon, thus creating a Denial of Service (DoS) condition to clients requesting and not receiving IP addresses. Additionally, some clients which were previously holding IPv6 addresses will not have their IPv6 Identity Association (IA) address and network tables agreed upon by the jdhcpd daemon after the failover event occurs, which leads to more than one interface, and multiple IP addresses, being denied on the client. Affected releases are Juniper Networks Junos OS: 17.4 versions prior to 17.4R2; 18.1 versions prior to 18.1R2."}], "exploits": [{"lang": "en", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}], "metrics": [{"cvssV3_0": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "description": "CWE-400 Uncontrolled Resource Consumption", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2019-04-12T07:06:02", "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://kb.juniper.net/JSA10920"}, {"name": "107874", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/107874"}], "solutions": [{"lang": "en", "value": "The following software releases have been updated to resolve this specific issue: 17.4R2, 18.1R2, 18.2R1, and all subsequent releases."}], "source": {"advisory": "JSA10920", "defect": ["1333381"], "discovery": "INTERNAL"}, "title": "Junos OS: jdhcpd daemon memory consumption Denial of Service when receiving specific IPv6 DHCP packets.", "workarounds": [{"lang": "en", "value": "Customers may discontinue processing or serving DHCPv6 address assignments until such time that fixes can be taken. \nThis workaround is helpful for large IPv4 environments with fewer or considered less important IPv6 clients."}], "x_generator": {"engine": "Vulnogram 0.0.6"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "sirt@juniper.net", "DATE_PUBLIC": "2019-04-10T16:00:00.000Z", "ID": "CVE-2019-0031", "STATE": "PUBLIC", "TITLE": "Junos OS: jdhcpd daemon memory consumption Denial of Service when receiving specific IPv6 DHCP packets."}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Junos OS", "version": {"version_data": [{"version_affected": "<", "version_name": "17.4", "version_value": "17.4R2"}, {"version_affected": "<", "version_name": "18.1", "version_value": "18.1R2"}]}}]}, "vendor_name": "Juniper Networks"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Specific IPv6 DHCP packets received by the jdhcpd daemon will cause a memory resource consumption issue to occur on a Junos OS device using the jdhcpd daemon configured to respond to IPv6 requests. Once started, memory consumption will eventually impact any IPv4 or IPv6 request serviced by the jdhcpd daemon, thus creating a Denial of Service (DoS) condition to clients requesting and not receiving IP addresses. Additionally, some clients which were previously holding IPv6 addresses will not have their IPv6 Identity Association (IA) address and network tables agreed upon by the jdhcpd daemon after the failover event occurs, which leads to more than one interface, and multiple IP addresses, being denied on the client. 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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*", "matchCriteriaId": "4D56321B-B87A-4749-81BB-D4124BE8C1B2", "versionEndExcluding": "17.4r2", "versionStartIncluding": "17.4", "vulnerable": true}, {"criteria": "cpe:2.3:o:juniper:junos:*:*:*:*:*:*:*:*", "matchCriteriaId": "70382CBE-0813-49BA-93EE-24E6D72028DD", "versionEndExcluding": "18.1r2", "versionStartIncluding": "18.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Specific IPv6 DHCP packets received by the jdhcpd daemon will cause a memory resource consumption issue to occur on a Junos OS device using the jdhcpd daemon configured to respond to IPv6 requests. Once started, memory consumption will eventually impact any IPv4 or IPv6 request serviced by the jdhcpd daemon, thus creating a Denial of Service (DoS) condition to clients requesting and not receiving IP addresses. Additionally, some clients which were previously holding IPv6 addresses will not have their IPv6 Identity Association (IA) address and network tables agreed upon by the jdhcpd daemon after the failover event occurs, which leads to more than one interface, and multiple IP addresses, being denied on the client. Affected releases are Juniper Networks Junos OS: 17.4 versions prior to 17.4R2; 18.1 versions prior to 18.1R2."}, {"lang": "es", "value": "Los paquetes DHCP IPv6 espec\u00edficos recibidos por el demonio jdhcpd causar\u00e1n un problema de consumo de recursos de memoria en un dispositivo Junos OS que utiliza el demonio jdhcpd configurado para responder a las peticiones de IPv6. Una vez iniciado, el consumo de memoria afectar\u00e1 eventualmente a cualquier petici\u00f3n de IPv4 o IPv6 a la que da servicio el demonio jdhcpd, creando as\u00ed una condici\u00f3n de Denegaci\u00f3n de Servicio (DoS) para los clientes que solicitan y no reciben direcciones IP. Adem\u00e1s, algunos clientes que anteriormente ten\u00edan direcciones IPv6 no tendr\u00e1n su direcci\u00f3n de Asociaci\u00f3n de Identidad (IA) IPv6 y tablas de red acordadas por el demonio jdhcpd despu\u00e9s de que ocurra el evento de conmutaci\u00f3n por error, lo que conlleva a m\u00e1s de una interfaz y m\u00faltiples direcciones IP, siendo negado en el cliente. Las versiones afectadas son Junos Networks Junos OS: 17.4 versiones anteriores a 17.4R2; 18.1 versiones anteriores a 18.1R2."}], "id": "CVE-2019-0031", "lastModified": "2024-11-21T04:16:05.323", "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}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 4.0, "source": "sirt@juniper.net", "type": "Secondary"}], "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": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-04-10T20:29:00.490", "references": [{"source": "sirt@juniper.net", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/107874"}, {"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA10920"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/107874"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA10920"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "sirt@juniper.net", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-770"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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