{"containers": {"cna": {"affected": [{"product": "Junos OS", "vendor": "Juniper Networks", "versions": [{"lessThan": "17.4R1", "status": "unaffected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "17.4R2-S11, 17.4R3-S2", "status": "affected", "version": "17.4", "versionType": "custom"}, {"lessThan": "18.1R3-S10", "status": "affected", "version": "18.1", "versionType": "custom"}, {"lessThan": "18.2R2-S7, 18.2R3-S5", "status": "affected", "version": "18.2", "versionType": "custom"}, {"lessThan": "18.2X75-D41, 18.2X75-D420.12, 18.2X75-D51, 18.2X75-D60, 18.2X75-D34", "status": "affected", "version": "18.2X75", "versionType": "custom"}, {"lessThan": "18.3R2-S4, 18.3R3-S2", "status": "affected", "version": "18.3", "versionType": "custom"}, {"lessThan": "18.4R1-S7, 18.4R2-S4, 18.4R3-S1", "status": "affected", "version": "18.4", "versionType": "custom"}, {"lessThan": "19.1R1-S5, 19.1R2-S1, 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-S2, 19.4R2", "status": "affected", "version": "19.4", "versionType": "custom"}]}], "datePublic": "2020-07-08T00:00:00", "descriptions": [{"lang": "en", "value": "On Juniper Networks Junos OS devices, a stream of TCP packets sent to the Routing Engine (RE) may cause mbuf leak which can lead to Flexible PIC Concentrator (FPC) crash or the system to crash and restart (vmcore). This issue can be trigged by IPv4 or IPv6 and it is caused only by TCP packets. This issue is not related to any specific configuration and it affects Junos OS releases starting from 17.4R1. However, this issue does not affect Junos OS releases prior to 18.2R1 when Nonstop active routing (NSR) is configured [edit routing-options nonstop-routing]. The number of mbufs is platform dependent. The following command provides the number of mbufs counter that are currently in use and maximum number of mbufs that can be allocated on a platform: user@host> show system buffers 2437/3143/5580 mbufs in use (current/cache/total) Once the device runs out of mbufs, the FPC crashes or the vmcore occurs and the device might become inaccessible requiring a manual restart. This issue affects Juniper Networks Junos OS 17.4 versions prior to 17.4R2-S11, 17.4R3-S2; 18.1 versions prior to 18.1R3-S10; 18.2 versions prior to 18.2R2-S7, 18.2R3-S5; 18.2X75 versions prior to 18.2X75-D41, 18.2X75-D420.12, 18.2X75-D51, 18.2X75-D60, 18.2X75-D34; 18.3 versions prior to 18.3R2-S4, 18.3R3-S2; 18.4 versions prior to 18.4R1-S7, 18.4R2-S4, 18.4R3-S1; 19.1 versions prior to 19.1R1-S5, 19.1R2-S1, 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-S2, 19.4R2. Versions of Junos OS prior to 17.4R1 are unaffected by this vulnerability."}], "exploits": [{"lang": "en", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}], "metrics": [{"cvssV3_1": {"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"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-159", "description": "CWE-159 Failure to Sanitize Special Element", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-07-17T18:40:44", "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://kb.juniper.net/JSA11040"}], "solutions": [{"lang": "en", "value": "The following software releases have been updated to resolve this specific issue: 17.4R2-S11, 17.4R3-S2, 18.1R3-S10, 18.2R2-S7, 18.2R3-S5, 18.2X75-D41, 18.2X75-D420.12, 18.2X75-D51, 18.2X75-D60, 18.2X75-D34, 18.3R2-S4, 18.3R3-S2, 18.4R1-S7, 18.4R2-S4, 18.4R3-S1, 19.1R1-S5, 19.1R2-S1, 19.1R3, 19.2R1-S5, 19.2R2, 19.3R2-S3, 19.3R3, 19.4R1-S2, 19.4R2, 20.1R1, and all subsequent releases."}], "source": {"advisory": "JSA11040", "defect": ["1468183"], "discovery": "USER"}, "title": "Junos OS: Kernel crash (vmcore) or FPC crash due to mbuf leak", "workarounds": [{"lang": "en", "value": "There are no viable workarounds for this issue, however having the DDoS feature enabled and using the firewall filter to limit incoming packet towards the RE only from trusted networks and host help to mitigate this issue.\n\nThe following command can be used to check if DDoS feature is enabled:\n user@host> show ddos-protection statistics\n DDOS protection global statistics:\n Policing on routing engine: Yes <--- must be \"Yes\"\n Policing on FPC: Yes\n Flow detection: Yes <-- must be Yes\n <snip>"}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "sirt@juniper.net", "DATE_PUBLIC": "2020-07-08T07:00:00.000Z", "ID": "CVE-2020-1653", "STATE": "PUBLIC", "TITLE": "Junos OS: Kernel crash (vmcore) or FPC crash due to mbuf leak"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Junos OS", "version": {"version_data": [{"version_affected": "!<", "version_value": "17.4R1"}, {"version_affected": "<", "version_name": "17.4", "version_value": "17.4R2-S11, 17.4R3-S2"}, {"version_affected": "<", "version_name": "18.1", "version_value": "18.1R3-S10"}, {"version_affected": "<", "version_name": "18.2", "version_value": "18.2R2-S7, 18.2R3-S5"}, {"version_affected": "<", "version_name": "18.2X75", "version_value": "18.2X75-D41, 18.2X75-D420.12, 18.2X75-D51, 18.2X75-D60, 18.2X75-D34"}, {"version_affected": "<", "version_name": "18.3", "version_value": "18.3R2-S4, 18.3R3-S2"}, {"version_affected": "<", "version_name": "18.4", "version_value": "18.4R1-S7, 18.4R2-S4, 18.4R3-S1"}, {"version_affected": "<", "version_name": "19.1", "version_value": "19.1R1-S5, 19.1R2-S1, 19.1R3"}, {"version_affected": "<", "version_name": "19.2", "version_value": "19.2R1-S5, 19.2R2"}, {"version_affected": "<", "version_name": "19.3", "version_value": "19.3R2-S3, 19.3R3"}, {"version_affected": "<", "version_name": "19.4", "version_value": "19.4R1-S2, 19.4R2"}]}}]}, "vendor_name": "Juniper Networks"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "On Juniper Networks Junos OS devices, a stream of TCP packets sent to the Routing Engine (RE) may cause mbuf leak which can lead to Flexible PIC Concentrator (FPC) crash or the system to crash and restart (vmcore). This issue can be trigged by IPv4 or IPv6 and it is caused only by TCP packets. This issue is not related to any specific configuration and it affects Junos OS releases starting from 17.4R1. However, this issue does not affect Junos OS releases prior to 18.2R1 when Nonstop active routing (NSR) is configured [edit routing-options nonstop-routing]. The number of mbufs is platform dependent. The following command provides the number of mbufs counter that are currently in use and maximum number of mbufs that can be allocated on a platform: user@host> show system buffers 2437/3143/5580 mbufs in use (current/cache/total) Once the device runs out of mbufs, the FPC crashes or the vmcore occurs and the device might become inaccessible requiring a manual restart. This issue affects Juniper Networks Junos OS 17.4 versions prior to 17.4R2-S11, 17.4R3-S2; 18.1 versions prior to 18.1R3-S10; 18.2 versions prior to 18.2R2-S7, 18.2R3-S5; 18.2X75 versions prior to 18.2X75-D41, 18.2X75-D420.12, 18.2X75-D51, 18.2X75-D60, 18.2X75-D34; 18.3 versions prior to 18.3R2-S4, 18.3R3-S2; 18.4 versions prior to 18.4R1-S7, 18.4R2-S4, 18.4R3-S1; 19.1 versions prior to 19.1R1-S5, 19.1R2-S1, 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-S2, 19.4R2. Versions of Junos OS prior to 17.4R1 are unaffected by this vulnerability."}]}, "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": "CWE-159 Failure to Sanitize Special Element"}]}]}, "references": {"reference_data": [{"name": "https://kb.juniper.net/JSA11040", "refsource": "CONFIRM", "url": "https://kb.juniper.net/JSA11040"}]}, "solution": [{"lang": "en", "value": "The following software releases have been updated to resolve this specific issue: 17.4R2-S11, 17.4R3-S2, 18.1R3-S10, 18.2R2-S7, 18.2R3-S5, 18.2X75-D41, 18.2X75-D420.12, 18.2X75-D51, 18.2X75-D60, 18.2X75-D34, 18.3R2-S4, 18.3R3-S2, 18.4R1-S7, 18.4R2-S4, 18.4R3-S1, 19.1R1-S5, 19.1R2-S1, 19.1R3, 19.2R1-S5, 19.2R2, 19.3R2-S3, 19.3R3, 19.4R1-S2, 19.4R2, 20.1R1, and all subsequent releases."}], "source": {"advisory": "JSA11040", "defect": ["1468183"], "discovery": "USER"}, "work_around": [{"lang": "en", "value": "There are no viable workarounds for this issue, however having the DDoS feature enabled and using the firewall filter to limit incoming packet towards the RE only from trusted networks and host help to mitigate this issue.\n\nThe following command can be used to check if DDoS feature is enabled:\n user@host> show ddos-protection statistics\n DDOS protection global statistics:\n Policing on routing engine: Yes <--- must be \"Yes\"\n Policing on FPC: Yes\n Flow detection: Yes <-- must be Yes\n <snip>"}]}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T06:46:30.880Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://kb.juniper.net/JSA11040"}]}]}, "cveMetadata": {"assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "assignerShortName": "juniper", "cveId": "CVE-2020-1653", "datePublished": "2020-07-17T18:40:44.594129Z", "dateReserved": "2019-11-04T00:00:00", "dateUpdated": "2024-09-17T00:25:37.547Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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Juniper Networks Junos OS devices, a stream of TCP packets sent to the Routing Engine (RE) may cause mbuf leak which can lead to Flexible PIC Concentrator (FPC) crash or the system to crash and restart (vmcore). This issue can be trigged by IPv4 or IPv6 and it is caused only by TCP packets. This issue is not related to any specific configuration and it affects Junos OS releases starting from 17.4R1. However, this issue does not affect Junos OS releases prior to 18.2R1 when Nonstop active routing (NSR) is configured [edit routing-options nonstop-routing]. The number of mbufs is platform dependent. The following command provides the number of mbufs counter that are currently in use and maximum number of mbufs that can be allocated on a platform: user@host> show system buffers 2437/3143/5580 mbufs in use (current/cache/total) Once the device runs out of mbufs, the FPC crashes or the vmcore occurs and the device might become inaccessible requiring a manual restart. This issue affects Juniper Networks Junos OS 17.4 versions prior to 17.4R2-S11, 17.4R3-S2; 18.1 versions prior to 18.1R3-S10; 18.2 versions prior to 18.2R2-S7, 18.2R3-S5; 18.2X75 versions prior to 18.2X75-D41, 18.2X75-D420.12, 18.2X75-D51, 18.2X75-D60, 18.2X75-D34; 18.3 versions prior to 18.3R2-S4, 18.3R3-S2; 18.4 versions prior to 18.4R1-S7, 18.4R2-S4, 18.4R3-S1; 19.1 versions prior to 19.1R1-S5, 19.1R2-S1, 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-S2, 19.4R2. Versions of Junos OS prior to 17.4R1 are unaffected by this vulnerability."}, {"lang": "es", "value": "En los dispositivos de Juniper Networks Junos OS, un flujo de paquetes TCP enviados al Routing Engine (RE) puede causar un filtrado de mbuf que puede conllevar a un bloqueo del Flexible PIC Concentrator (FPC) o el sistema se bloquea y reinicia (vmcore). Este problema puede ser desencadenado mediante IPv4 o IPv6 y solo es causado por paquetes TCP. Este problema no est\u00e1 relacionado con ninguna configuraci\u00f3n espec\u00edfica y afecta a Junos OS versiones a partir de 17.4R1. Sin embargo, este problema no afecta a las versiones de Junos OS anteriores a 18.2R1 cuando el enrutamiento activo Sin Escalas (NSR) es configurado [edit routing-options nonstop-routing]. El n\u00famero de mbufs depende de la plataforma. El siguiente comando proporciona el n\u00famero de contadores mbufs que est\u00e1n actualmente en uso y el n\u00famero m\u00e1ximo de mbufs que pueden ser asignados en una plataforma: user@host&gt; muestra b\u00faferes del sistema 2437/3143/5580 mbufs en uso (current/cache/total). Una vez el dispositivo se queda sin mbufs, el FPC se bloquea o se produce el vmcore y el dispositivo puede quedar inaccesible, requiriendo un reinicio manual. Este problema afecta a las versiones de Juniper Networks Junos OS 17.4 anteriores a 17.4R2-S11, 17.4R3-S2; versiones 18.1 anteriores a 18.1R3-S10; versiones 18.2 anteriores a 18.2R2-S7, 18.2R3-S5; versiones 18.2X75 anteriores a 18.2X75-D41, 18.2X75-D420.12, 18.2X75-D51, 18.2X75-D60, 18.2X75-D34; versiones 18.3 anteriores a 18.3R2-S4, 18.3R3-S2; versiones 18.4 anteriores a 18.4R1-S7, 18.4R2-S4, 18.4R3-S1; versiones 19.1 anteriores a 19.1R1-S5, 19.1R2-S1, 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-S2, 19.4R2. Las versiones de Junos OS anteriores a 17.4R1 no est\u00e1n afectadas por esta vulnerabilidad"}], "id": "CVE-2020-1653", "lastModified": "2024-11-21T05:11:05.537", "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"}, {"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": "2020-07-17T19:15:13.890", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA11040"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA11040"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-159"}], "source": "sirt@juniper.net", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-772"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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