CVE-2019-0014

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By continuously sending the offending packet, an attacker can repeatedly crash the FPC process causing a sustained Denial of Service (DoS). This issue affects both IPv4 and IPv6 packet processing. Affected releases are Juniper Networks Junos OS on QFX and PTX Series: 17.4 versions prior to 17.4R2-S1, 17.4R3; 18.1 versions prior to 18.1R3-S1; 18.2 versions prior to 18.2R1-S3, 18.2R2; 17.2X75 versions prior to 17.2X75-D91, 17.2X75-D100."}], "exploits": [{"lang": "en", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}], "metrics": [{"cvssV3_0": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}}], "problemTypes": [{"descriptions": [{"description": "DoS", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2019-01-16T10:57:01.000Z", "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://kb.juniper.net/JSA10914"}, {"name": "106556", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/106556"}], "solutions": [{"lang": "en", "value": "The following software releases have been updated to resolve this specific issue: Junos OS 17.2X75-D91, 17.2X75-D100, 17.4R2-S1, 17.4R3, 18.1R3-S1, 18.2R1-S3, 18.2R2, 18.2X75-D5, 18.3R1, and all subsequent releases."}], "source": {"advisory": "JSA10914", "defect": ["1348417"], "discovery": "USER"}, "title": "Junos OS: QFX and PTX Series: FPC process crashes after J-Flow processes a malformed packet", "workarounds": [{"lang": "en", "value": "Disable the functionality of learning of next-hop addresses:\n # set services flow-monitoring (version-ipfix | version9) template <template-name> nexthop-learning disable"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "sirt@juniper.net", "DATE_PUBLIC": "2019-01-09T17:00:00.000Z", "ID": "CVE-2019-0014", "STATE": "PUBLIC", "TITLE": "Junos OS: QFX and PTX Series: FPC process crashes after J-Flow processes a malformed packet"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Junos OS", "version": {"version_data": [{"affected": "<", "platform": "QFX and PTX Series", "version_affected": "<", "version_name": "17.4", "version_value": "17.4R2-S1, 17.4R3"}, {"affected": "<", "platform": "QFX and PTX Series", "version_affected": "<", "version_name": "18.1", "version_value": "18.1R3-S1, 18.1R4"}, {"affected": "<", "platform": "QFX and PTX Series", "version_affected": "<", "version_name": "18.2", "version_value": "18.2R1-S3, 18.2R2"}, {"affected": "<", "platform": "QFX and PTX Series", "version_affected": "<", "version_name": "17.2X75", "version_value": "17.2X75-D91, 17.2X75-D100"}]}}]}, "vendor_name": "Juniper Networks"}]}}, "configuration": [{"lang": "en", "value": "This issue only occurs when J-Flow is configured and learning next-hop addresses feature that is used to generate the true outgoing interface (OIF) statistic is enabled:\n [services flow-monitoring (version-ipfix | version9) template <template-name> nexthop-learning]"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "On QFX and PTX Series, receipt of a malformed packet for J-Flow sampling might crash the FPC (Flexible PIC Concentrator) process which causes all interfaces to go down. By continuously sending the offending packet, an attacker can repeatedly crash the FPC process causing a sustained Denial of Service (DoS). This issue affects both IPv4 and IPv6 packet processing. Affected releases are Juniper Networks Junos OS on QFX and PTX Series: 17.4 versions prior to 17.4R2-S1, 17.4R3; 18.1 versions prior to 18.1R3-S1; 18.2 versions prior to 18.2R1-S3, 18.2R2; 17.2X75 versions prior to 17.2X75-D91, 17.2X75-D100."}]}, "exploit": [{"lang": "en", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}], "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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "DoS"}]}]}, "references": {"reference_data": [{"name": "https://kb.juniper.net/JSA10914", "refsource": "CONFIRM", "url": "https://kb.juniper.net/JSA10914"}, {"name": "106556", "refsource": "BID", "url": "http://www.securityfocus.com/bid/106556"}]}, "solution": [{"lang": "en", "value": "The following software releases have been updated to resolve this specific issue: Junos OS 17.2X75-D91, 17.2X75-D100, 17.4R2-S1, 17.4R3, 18.1R3-S1, 18.2R1-S3, 18.2R2, 18.2X75-D5, 18.3R1, and all subsequent releases."}], "source": {"advisory": "JSA10914", "defect": ["1348417"], "discovery": "USER"}, "work_around": [{"lang": "en", "value": "Disable the functionality of learning of next-hop addresses:\n # set services flow-monitoring (version-ipfix | version9) template <template-name> nexthop-learning disable"}]}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T17:37:07.412Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://kb.juniper.net/JSA10914"}, {"name": "106556", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/106556"}]}]}, "cveMetadata": {"assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "assignerShortName": "juniper", "cveId": "CVE-2019-0014", "datePublished": "2019-01-15T21:00:00.000Z", "dateReserved": "2018-10-11T00:00:00.000Z", "dateUpdated": "2024-09-17T02:37:25.894Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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By continuously sending the offending packet, an attacker can repeatedly crash the FPC process causing a sustained Denial of Service (DoS). This issue affects both IPv4 and IPv6 packet processing. Affected releases are Juniper Networks Junos OS on QFX and PTX Series: 17.4 versions prior to 17.4R2-S1, 17.4R3; 18.1 versions prior to 18.1R3-S1; 18.2 versions prior to 18.2R1-S3, 18.2R2; 17.2X75 versions prior to 17.2X75-D91, 17.2X75-D100."}, {"lang": "es", "value": "En las series QFX y PTX, la recepci\u00f3n de un paquete mal formado para el muestreo de J-Flow podr\u00eda provocar el cierre inesperado del proceso FPC (Flexible PIC Concentrator), que provoca que todas las interfaces se caigan. Mediante el env\u00edo continuo del paquete manipulado, un atacante puede cerrar repetidamente el proceso FPC, provocando una denegaci\u00f3n de servicio (DoS) prolongada. Este problema afecta al procesamiento de paquetes IPv4 y IPv6. Las versiones afectadas son Juniper Networks Junos OS en las series QFX y PTX: 17.4 en versiones anteriores a la 17.4R2-S1, 17.4R3; 18.1 en versiones anteriores a la 18.1R3-S1; 18.2 en versiones anteriores a la 18.2R1-S3, 18.2R2; 17.2X75 en versiones anteriores a la 17.2X75-D91, 17.2X75-D100."}], "id": "CVE-2019-0014", "lastModified": "2026-06-17T02:07:30.770", "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": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "sirt@juniper.net", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-01-15T21:29:01.387", "references": [{"source": "sirt@juniper.net", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/106556"}, {"source": "sirt@juniper.net", "tags": ["Mitigation", "Patch", "Vendor Advisory"], "url": "https://kb.juniper.net/JSA10914"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/106556"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mitigation", "Patch", "Vendor Advisory"], "url": "https://kb.juniper.net/JSA10914"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-19"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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