{"containers": {"cna": {"affected": [{"product": "Junos OS", "vendor": "Juniper Networks", "versions": [{"status": "affected", "version": "17.4R3"}, {"lessThan": "17.4R3", "status": "unaffected", "version": "unspecified", "versionType": "custom"}, {"changes": [{"at": "18.1R3-S10", "status": "unaffected"}], "lessThan": "18.1*", "status": "affected", "version": "18.1R3-S5", "versionType": "custom"}, {"changes": [{"at": "18.2R3-S3", "status": "unaffected"}], "lessThan": "18.2*", "status": "affected", "version": "18.2R3", "versionType": "custom"}, {"changes": [{"at": "18.2X75-D430, 18.2X75-D53, 18.2X75-D60", "status": "unaffected"}], "lessThan": "18.2X75*", "status": "affected", "version": "18.2X75-D420, 18.2X75-D50", "versionType": "custom"}, {"changes": [{"at": "18.3R3-S2", "status": "unaffected"}], "lessThan": "18.3*", "status": "affected", "version": "18.3R3", "versionType": "custom"}, {"changes": [{"at": "18.4R2-S5, 18.4R3-S1", "status": "unaffected"}], "lessThan": "18.4*", "status": "affected", "version": "18.4R1-S4, 18.4R2", "versionType": "custom"}, {"changes": [{"at": "19.1R2-S2, 19.1R3", "status": "unaffected"}], "lessThan": "19.1*", "status": "affected", "version": "19.1R2", "versionType": "custom"}, {"changes": [{"at": "19.2R1-S5, 19.2R2", "status": "unaffected"}], "lessThan": "19.2*", "status": "affected", "version": "19.2R1", "versionType": "custom"}, {"lessThan": "19.3R2-S5, 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 minimum config stanza affected by this issue:\n [snmp]"}], "datePublic": "2020-10-14T00:00:00", "descriptions": [{"lang": "en", "value": "On Juniper Networks Junos OS devices, a specific SNMP OID poll causes a memory leak which over time leads to a kernel crash (vmcore). Prior to the kernel crash other processes might be impacted, such as failure to establish SSH connection to the device. The administrator can monitor the output of the following command to check if there is memory leak caused by this issue: user@device> show system virtual-memory | match \"pfe_ipc|kmem\" pfe_ipc 147 5K - 164352 16,32,64,8192 <-- increasing vm.kmem_map_free: 127246336 <-- decreasing pfe_ipc 0 0K - 18598 32,8192 vm.kmem_map_free: 134582272 This issue affects Juniper Networks Junos OS: 17.4R3; 18.1 version 18.1R3-S5 and later versions prior to 18.1R3-S10; 18.2 version 18.2R3 and later versions prior to 18.2R3-S3; 18.2X75 version 18.2X75-D420, 18.2X75-D50 and later versions prior to 18.2X75-D430, 18.2X75-D53, 18.2X75-D60; 18.3 version 18.3R3 and later versions prior to 18.3R3-S2; 18.4 version 18.4R1-S4, 18.4R2 and later versions prior to 18.4R2-S5, 18.4R3-S1; 19.1 version 19.1R2 and later versions prior to 19.1R2-S2, 19.1R3; 19.2 version 19.2R1 and later versions prior to 19.2R1-S5, 19.2R2; 19.3 versions prior to 19.3R2-S5, 19.3R3; 19.4 versions prior to 19.4R1-S3, 19.4R2. This issue does not affect Juniper Networks Junos OS prior to 17.4R3."}], "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-401", "description": "CWE-401: Missing Release of Memory after Effective Lifetime", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-10-16T20:31:35", "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://kb.juniper.net/JSA11080"}], "solutions": [{"lang": "en", "value": "The following software releases have been updated to resolve this specific issue: Junos OS 17.4R3-S1, 18.1R3-S10, 18.2R3-S3, 18.2X75-D41, 18.2X75-D430, 18.2X75-D53, 18.2X75-D60, 18.3R3-S2, 18.4R2-S5, 18.4R3-S1, 19.1R2-S2, 19.1R3, 19.2R1-S5, 19.2R2, 19.3R2-S5, 19.3R3, 19.4R1-S3, 19.4R2, 20.1R1, and all subsequent releases."}], "source": {"advisory": "JSA11080", "defect": ["1482379"], "discovery": "USER"}, "title": "Junos OS: Memory leak leads to kernel crash (vmcore) due to SNMP polling", "workarounds": [{"lang": "en", "value": "Disable SNMP (disabled by default), utilize edge filtering with source-address validation (uRPF, etc.), access control lists (ACLs), and/or SNMPv3 authentication to limit access to the device only from trusted hosts."}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "sirt@juniper.net", "DATE_PUBLIC": "2020-10-14T16:00:00.000Z", "ID": "CVE-2020-1683", "STATE": "PUBLIC", "TITLE": "Junos OS: Memory leak leads to kernel crash (vmcore) due to SNMP polling"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Junos OS", "version": {"version_data": [{"version_affected": "=", "version_name": "17.4", "version_value": "17.4R3"}, {"version_affected": ">=", "version_name": "18.1", "version_value": "18.1R3-S5"}, {"version_affected": "<", "version_name": "18.1", "version_value": "18.1R3-S10"}, {"version_affected": ">=", "version_name": "18.2", "version_value": "18.2R3"}, {"version_affected": "<", "version_name": "18.2", "version_value": "18.2R3-S3"}, {"version_affected": ">=", "version_name": "18.2X75", "version_value": "18.2X75-D420, 18.2X75-D50"}, {"version_affected": "<", "version_name": "18.2X75", "version_value": "18.2X75-D430, 18.2X75-D53, 18.2X75-D60"}, {"version_affected": ">=", "version_name": "18.3", "version_value": "18.3R3"}, {"version_affected": "<", "version_name": "18.3", "version_value": "18.3R3-S2"}, {"version_affected": ">=", "version_name": "18.4", "version_value": "18.4R1-S4, 18.4R2"}, {"version_affected": "<", "version_name": "18.4", "version_value": "18.4R2-S5, 18.4R3-S1"}, {"version_affected": ">=", "version_name": "19.1", "version_value": "19.1R2"}, {"version_affected": "<", "version_name": "19.1", "version_value": "19.1R2-S2, 19.1R3"}, {"version_affected": ">=", "version_name": "19.2", "version_value": "19.2R1"}, {"version_affected": "<", "version_name": "19.2", "version_value": "19.2R1-S5, 19.2R2"}, {"version_affected": "<", "version_name": "19.3", "version_value": "19.3R2-S5, 19.3R3"}, {"version_affected": "<", "version_name": "19.4", "version_value": "19.4R1-S3, 19.4R2"}, {"version_affected": "!<", "version_value": "17.4R3"}]}}]}, "vendor_name": "Juniper Networks"}]}}, "configuration": [{"lang": "en", "value": "The example of minimum config stanza affected by this issue:\n [snmp]"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "On Juniper Networks Junos OS devices, a specific SNMP OID poll causes a memory leak which over time leads to a kernel crash (vmcore). 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The administrator can monitor the output of the following command to check if there is memory leak caused by this issue: user@device> show system virtual-memory | match \"pfe_ipc|kmem\" pfe_ipc 147 5K - 164352 16,32,64,8192 <-- increasing vm.kmem_map_free: 127246336 <-- decreasing pfe_ipc 0 0K - 18598 32,8192 vm.kmem_map_free: 134582272 This issue affects Juniper Networks Junos OS: 17.4R3; 18.1 version 18.1R3-S5 and later versions prior to 18.1R3-S10; 18.2 version 18.2R3 and later versions prior to 18.2R3-S3; 18.2X75 version 18.2X75-D420, 18.2X75-D50 and later versions prior to 18.2X75-D430, 18.2X75-D53, 18.2X75-D60; 18.3 version 18.3R3 and later versions prior to 18.3R3-S2; 18.4 version 18.4R1-S4, 18.4R2 and later versions prior to 18.4R2-S5, 18.4R3-S1; 19.1 version 19.1R2 and later versions prior to 19.1R2-S2, 19.1R3; 19.2 version 19.2R1 and later versions prior to 19.2R1-S5, 19.2R2; 19.3 versions prior to 19.3R2-S5, 19.3R3; 19.4 versions prior to 19.4R1-S3, 19.4R2. 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Prior to the kernel crash other processes might be impacted, such as failure to establish SSH connection to the device. The administrator can monitor the output of the following command to check if there is memory leak caused by this issue: user@device> show system virtual-memory | match \"pfe_ipc|kmem\" pfe_ipc 147 5K - 164352 16,32,64,8192 <-- increasing vm.kmem_map_free: 127246336 <-- decreasing pfe_ipc 0 0K - 18598 32,8192 vm.kmem_map_free: 134582272 This issue affects Juniper Networks Junos OS: 17.4R3; 18.1 version 18.1R3-S5 and later versions prior to 18.1R3-S10; 18.2 version 18.2R3 and later versions prior to 18.2R3-S3; 18.2X75 version 18.2X75-D420, 18.2X75-D50 and later versions prior to 18.2X75-D430, 18.2X75-D53, 18.2X75-D60; 18.3 version 18.3R3 and later versions prior to 18.3R3-S2; 18.4 version 18.4R1-S4, 18.4R2 and later versions prior to 18.4R2-S5, 18.4R3-S1; 19.1 version 19.1R2 and later versions prior to 19.1R2-S2, 19.1R3; 19.2 version 19.2R1 and later versions prior to 19.2R1-S5, 19.2R2; 19.3 versions prior to 19.3R2-S5, 19.3R3; 19.4 versions prior to 19.4R1-S3, 19.4R2. This issue does not affect Juniper Networks Junos OS prior to 17.4R3."}, {"lang": "es", "value": "En dispositivos Juniper Networks Junos OS, una encuesta de SNMP OID espec\u00edfica causa un filtrado de la memoria que, con el tiempo, conlleva a un bloqueo del kernel (vmcore).&#xa0;Antes del fallo del kernel, otros procesos pueden estar afectados, como el fallo al establecer una conexi\u00f3n SSH con el dispositivo.&#xa0;El administrador puede monitorear el resultado del siguiente comando para comprobar si existe un filtrado de memoria causado por este problema: user@device&gt; show system virtual-memory | match \"pfe_ipc|kmem\" pfe_ipc 147 5K - 164352 16,32,64,8192 &lt;-- increasing vm.kmem_map_free: 127246336 &lt;-- decreasing pfe_ipc 0 0K - 18598 32,8192 vm.kmem_map_free: 134582272 Este problema afecta a Juniper Networks Junos OS: versi\u00f3n 17.4R3;&#xa0;18.1 versi\u00f3n 18.1R3-S5 y versiones posteriores anteriores a 18.1R3-S10;&#xa0;18.2 versi\u00f3n 18.2R3 y versiones posteriores anteriores a 18.2R3-S3;&#xa0;18.2X75 versi\u00f3n 18.2X75-D420, 18.2X75-D50 y versiones posteriores anteriores a 18.&#xa0;2X75-D430, 18.2X75-D53, 18.2X75-D60;&#xa0;18.3 versi\u00f3n 18.3R3 y versiones posteriores anteriores a 18.3R3-S2;&#xa0;18.4 versi\u00f3n 18.4R1-S4, 18.4R2 y versiones posteriores anteriores a 18.4R2-S5, 18.4R3-S1;&#xa0;19.1 versi\u00f3n 19.1R2 y versiones posteriores anteriores a 19.1R2-S2, 19.1R3;&#xa0;19.2 versi\u00f3n 19.2R1 y versiones posteriores anteriores a 19.2R1-S5, 19.2R2;&#xa0;19.3 versiones anteriores a 19.3R2-S5, 19.3R3;&#xa0;19.4 versiones anteriores a 19.4R1-S3, 19.4R2.&#xa0;Este problema no afecta a Juniper Networks Junos OS anterior a versi\u00f3n 17.4R3"}], "id": "CVE-2020-1683", "lastModified": "2024-11-21T05:11:09.370", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.8, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.9, "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": "2020-10-16T21:15:14.007", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA11080"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA11080"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "sirt@juniper.net", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}