{ "containers": { "cna": { "affected": [ { "product": "Junos OS", "vendor": "Juniper Networks", "versions": [ { "lessThan": "19.2R1", "status": "unaffected", "version": "unspecified", "versionType": "custom" }, { "lessThan": "19.2R3-S2", "status": "affected", "version": "19.2", "versionType": "custom" }, { "lessThan": "19.3R2-S6, 19.3R3-S2", "status": "affected", "version": "19.3", "versionType": "custom" }, { "lessThan": "19.4R1-S4, 19.4R2-S4, 19.4R3-S3", "status": "affected", "version": "19.4", "versionType": "custom" }, { "lessThan": "20.1R2-S2, 20.1R3", "status": "affected", "version": "20.1", "versionType": "custom" }, { "lessThan": "20.2R2-S3, 20.2R3", "status": "affected", "version": "20.2", "versionType": "custom" }, { "lessThan": "20.3R2", "status": "affected", "version": "20.3", "versionType": "custom" } ] }, { "product": "Junos OS Evolved", "vendor": "Juniper Networks", "versions": [ { "lessThan": "20.1R3-EVO", "status": "affected", "version": "20.1", "versionType": "custom" }, { "lessThan": "20.2R3-EVO", "status": "affected", "version": "20.2", "versionType": "custom" }, { "lessThan": "20.3R2-EVO", "status": "affected", "version": "20.3", "versionType": "custom" } ] } ], "configurations": [ { "lang": "en", "value": "The following configuration is required for Junos OS:\n [protocols ldp p2mp]\n [protocols ldp interface \"interface\"]\n [protocols ldp traffic-statistics {sensor-based-stats;}]\n\nThe following configuration is required for Junos OS Evolved: \n [configuration protocols ldp p2mp]\n [configuration protocols ldp interface \"interface\"]" } ], "datePublic": "2021-10-13T00:00:00", "descriptions": [ { "lang": "en", "value": "In Point to MultiPoint (P2MP) scenarios within established sessions between network or adjacent neighbors the improper use of a source to destination copy write operation combined with a Stack-based Buffer Overflow on certain specific packets processed by the routing protocol daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved sent by a remote unauthenticated network attacker causes the RPD to crash causing a Denial of Service (DoS). Continued receipt and processing of these packets will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS 19.2 versions prior to 19.2R3-S2; 19.3 versions prior to 19.3R2-S6, 19.3R3-S2; 19.4 versions prior to 19.4R1-S4, 19.4R2-S4, 19.4R3-S3; 20.1 versions prior to 20.1R2-S2, 20.1R3; 20.2 versions prior to 20.2R2-S3, 20.2R3; 20.3 versions prior to 20.3R2. This issue does not affect Juniper Networks Junos OS versions prior to 19.2R1. Juniper Networks Junos OS Evolved 20.1 versions prior to 20.1R3-EVO; 20.2 versions prior to 20.2R3-EVO; 20.3 versions prior to 20.3R2-EVO." } ], "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": [ { "description": "improper usage of a source to destination copy write operation", "lang": "en", "type": "text" } ] }, { "descriptions": [ { "description": "Denial of Service (DoS)", "lang": "en", "type": "text" } ] }, { "descriptions": [ { "cweId": "CWE-121", "description": "CWE-121 Stack-based Buffer Overflow", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-10-19T18:17:26", "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper" }, "references": [ { "tags": [ "x_refsource_CONFIRM" ], "url": "https://kb.juniper.net/JSA11251" } ], "solutions": [ { "lang": "en", "value": "The following software releases have been updated to resolve this specific issue: \n\nJunos OS: 19.2R3-S2, 19.3R2-S6, 19.3R3-S2, 19.4R1-S4, 19.4R2-S4, 19.4R3-S3, 20.1R2-S2, 20.1R3, 20.2R2-S3, 20.2R3, 20.3R2, 20.4R1, and all subsequent releases.\n\nJunos OS Evolved: 20.1R3-EVO, 20.2R3-EVO, 20.3R2-EVO, 20.4R1-EVO, and all subsequent releases." } ], "source": { "advisory": "JSA11251", "defect": [ "1558672" ], "discovery": "INTERNAL" }, "title": "Junos OS and Junos OS Evolved: In Point to MultiPoint (P2MP) scenarios receipt of various crafted packets causes RPD to core.", "workarounds": [ { "lang": "en", "value": "For Junos OS you can remove the traffic-statistics from the configuration to work around this issue.\n\n [protoccols ldp traffic-statistics {sensor-based-stats;}]\n\nFor Junos OS Evolved there are no viable workarounds for this issue." } ], "x_generator": { "engine": "Vulnogram 0.0.9" }, "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "sirt@juniper.net", "DATE_PUBLIC": "2021-10-13T16:00:00.000Z", "ID": "CVE-2021-31383", "STATE": "PUBLIC", "TITLE": "Junos OS and Junos OS Evolved: In Point to MultiPoint (P2MP) scenarios receipt of various crafted packets causes RPD to core." }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "Junos OS", "version": { "version_data": [ { "version_affected": "<", "version_name": "19.2", "version_value": "19.2R3-S2" }, { "version_affected": "<", "version_name": "19.3", "version_value": "19.3R2-S6, 19.3R3-S2" }, { "version_affected": "<", "version_name": "19.4", "version_value": "19.4R1-S4, 19.4R2-S4, 19.4R3-S3" }, { "version_affected": "<", "version_name": "20.1", "version_value": "20.1R2-S2, 20.1R3" }, { "version_affected": "<", "version_name": "20.2", "version_value": "20.2R2-S3, 20.2R3" }, { "version_affected": "<", "version_name": "20.3", "version_value": "20.3R2" }, { "version_affected": "!<", "version_value": "19.2R1" } ] } }, { "product_name": "Junos OS Evolved", "version": { "version_data": [ { "version_affected": "<", "version_name": "20.1", "version_value": "20.1R3-EVO" }, { "version_affected": "<", "version_name": "20.2", "version_value": "20.2R3-EVO" }, { "version_affected": "<", "version_name": "20.3", "version_value": "20.3R2-EVO" } ] } } ] }, "vendor_name": "Juniper Networks" } ] } }, "configuration": [ { "lang": "en", "value": "The following configuration is required for Junos OS:\n [protocols ldp p2mp]\n [protocols ldp interface \"interface\"]\n [protocols ldp traffic-statistics {sensor-based-stats;}]\n\nThe following configuration is required for Junos OS Evolved: \n [configuration protocols ldp p2mp]\n [configuration protocols ldp interface \"interface\"]" } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "In Point to MultiPoint (P2MP) scenarios within established sessions between network or adjacent neighbors the improper use of a source to destination copy write operation combined with a Stack-based Buffer Overflow on certain specific packets processed by the routing protocol daemon (RPD) of Juniper Networks Junos OS and Junos OS Evolved sent by a remote unauthenticated network attacker causes the RPD to crash causing a Denial of Service (DoS). Continued receipt and processing of these packets will create a sustained Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS 19.2 versions prior to 19.2R3-S2; 19.3 versions prior to 19.3R2-S6, 19.3R3-S2; 19.4 versions prior to 19.4R1-S4, 19.4R2-S4, 19.4R3-S3; 20.1 versions prior to 20.1R2-S2, 20.1R3; 20.2 versions prior to 20.2R2-S3, 20.2R3; 20.3 versions prior to 20.3R2. This issue does not affect Juniper Networks Junos OS versions prior to 19.2R1. Juniper Networks Junos OS Evolved 20.1 versions prior to 20.1R3-EVO; 20.2 versions prior to 20.2R3-EVO; 20.3 versions prior to 20.3R2-EVO." } ] }, "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": "improper usage of a source to destination copy write operation" } ] }, { "description": [ { "lang": "eng", "value": "Denial of Service (DoS)" } ] }, { "description": [ { "lang": "eng", "value": "CWE-121 Stack-based Buffer Overflow" } ] } ] }, "references": { "reference_data": [ { "name": "https://kb.juniper.net/JSA11251", "refsource": "CONFIRM", "url": "https://kb.juniper.net/JSA11251" } ] }, "solution": [ { "lang": "en", "value": "The following software releases have been updated to resolve this specific issue: \n\nJunos OS: 19.2R3-S2, 19.3R2-S6, 19.3R3-S2, 19.4R1-S4, 19.4R2-S4, 19.4R3-S3, 20.1R2-S2, 20.1R3, 20.2R2-S3, 20.2R3, 20.3R2, 20.4R1, and all subsequent releases.\n\nJunos OS Evolved: 20.1R3-EVO, 20.2R3-EVO, 20.3R2-EVO, 20.4R1-EVO, and all subsequent releases." } ], "source": { "advisory": "JSA11251", "defect": [ "1558672" ], "discovery": "INTERNAL" }, "work_around": [ { "lang": "en", "value": "For Junos OS you can remove the traffic-statistics from the configuration to work around this issue.\n\n [protoccols ldp traffic-statistics {sensor-based-stats;}]\n\nFor Junos OS Evolved there are no viable workarounds for this issue." } ] } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T22:55:53.730Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://kb.juniper.net/JSA11251" } ] } ] }, "cveMetadata": { "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "assignerShortName": "juniper", "cveId": "CVE-2021-31383", "datePublished": "2021-10-19T18:17:26.471382Z", "dateReserved": "2021-04-15T00:00:00", "dateUpdated": "2024-09-16T20:21:34.268Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }