{"containers": {"cna": {"affected": [{"product": "Junos OS Evolved", "vendor": "Juniper Networks", "versions": [{"lessThan": "19.4R2-S2-EVO", "status": "affected", "version": "19.4", "versionType": "custom"}, {"lessThan": "20.1R1-S2-EVO, 20.1R2-S1-EVO", "status": "affected", "version": "20.1", "versionType": "custom"}]}], "configurations": [{"lang": "en", "value": "The following minimal configuration which will vary by implementation is necessary:\n\n* Must be running Junos OS Evolved\n* A BGP peering session is configured.\n* Regular expressions (REGEX) are being used with BGP."}], "datePublic": "2021-01-13T00:00:00", "descriptions": [{"lang": "en", "value": "In Juniper Networks Junos OS Evolved an attacker sending certain valid BGP update packets may cause Junos OS Evolved to access an uninitialized pointer causing RPD to core leading to a Denial of Service (DoS). Continued receipt of these types of valid BGP update packets will cause an extended Denial of Service condition. RPD will require a restart to recover. An indicator of compromise is to see if the file rpd.re exists by issuing the command: show system core-dumps This issue affects: Juniper Networks Junos OS Evolved 19.4 versions prior to 19.4R2-S2-EVO; 20.1 versions prior to 20.1R1-S2-EVO, 20.1R2-S1-EVO. This issue does not affect Junos OS."}], "exploits": [{"lang": "en", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-824", "description": "CWE-824 Access of Uninitialized Pointer", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"description": "Denial of Service (DoS)", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-01-15T17:35:56", "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://kb.juniper.net/JSA11099"}], "solutions": [{"lang": "en", "value": "The following software releases have been updated to resolve this specific issue: Junos OS Evolved: 19.4R2-S2-EVO, 20.1R1-S2-EVO, 20.1R2-S1-EVO, 20.2R1-EVO and all subsequent releases."}], "source": {"advisory": "JSA11099", "defect": ["1517128"], "discovery": "USER"}, "title": "Junos OS Evolved: Receipt of certain valid BGP update packets from BGP peers may cause RPD to core when using REGEX.", "workarounds": [{"lang": "en", "value": "There are no available workarounds for this issue."}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "[email protected]", "DATE_PUBLIC": "2021-01-13T16:00:00.000Z", "ID": "CVE-2021-0209", "STATE": "PUBLIC", "TITLE": "Junos OS Evolved: Receipt of certain valid BGP update packets from BGP peers may cause RPD to core when using REGEX."}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Junos OS Evolved", "version": {"version_data": [{"version_affected": "<", "version_name": "19.4", "version_value": "19.4R2-S2-EVO"}, {"version_affected": "<", "version_name": "20.1", "version_value": "20.1R1-S2-EVO, 20.1R2-S1-EVO"}]}}]}, "vendor_name": "Juniper Networks"}]}}, "configuration": [{"lang": "en", "value": "The following minimal configuration which will vary by implementation is necessary:\n\n* Must be running Junos OS Evolved\n* A BGP peering session is configured.\n* Regular expressions (REGEX) are being used with BGP."}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In Juniper Networks Junos OS Evolved an attacker sending certain valid BGP update packets may cause Junos OS Evolved to access an uninitialized pointer causing RPD to core leading to a Denial of Service (DoS). 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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:juniper:junos_os_evolved:19.4:r1:*:*:*:*:*:*", "matchCriteriaId": "83447F3F-79A3-41DF-8FD1-31DCFCBE40A4", "vulnerable": true}, {"criteria": "cpe:2.3:o:juniper:junos_os_evolved:19.4:r2:*:*:*:*:*:*", "matchCriteriaId": "2B14CED1-BEAF-4343-A05D-FB1E2B6AC955", "vulnerable": true}, {"criteria": "cpe:2.3:o:juniper:junos_os_evolved:19.4:r2-s1:*:*:*:*:*:*", "matchCriteriaId": "ABB91C38-8C70-436A-83DB-42B8DF81D7D8", "vulnerable": true}, {"criteria": "cpe:2.3:o:juniper:junos_os_evolved:20.1:-:*:*:*:*:*:*", "matchCriteriaId": "AED25FB6-E3FA-4543-90B2-50068D683D50", "vulnerable": true}, {"criteria": "cpe:2.3:o:juniper:junos_os_evolved:20.1:r1:*:*:*:*:*:*", "matchCriteriaId": "F64FBB4B-7CBF-499B-A523-804857DEFAFA", "vulnerable": true}, {"criteria": "cpe:2.3:o:juniper:junos_os_evolved:20.1:r1-s1:*:*:*:*:*:*", "matchCriteriaId": "EEBE159F-5D94-4C18-B922-331586BEA2CA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "In Juniper Networks Junos OS Evolved an attacker sending certain valid BGP update packets may cause Junos OS Evolved to access an uninitialized pointer causing RPD to core leading to a Denial of Service (DoS). Continued receipt of these types of valid BGP update packets will cause an extended Denial of Service condition. RPD will require a restart to recover. An indicator of compromise is to see if the file rpd.re exists by issuing the command: show system core-dumps This issue affects: Juniper Networks Junos OS Evolved 19.4 versions prior to 19.4R2-S2-EVO; 20.1 versions prior to 20.1R1-S2-EVO, 20.1R2-S1-EVO. This issue does not affect Junos OS."}, {"lang": "es", "value": "En Juniper Networks Junos OS Evolved, un atacante que env\u00eda determinados paquetes de actualizaci\u00f3n de BGP v\u00e1lidos puede causar que Junos OS Evolved acceda a un puntero no inicializado, causando que RPD se convierta en el core conllevando a una Denegaci\u00f3n de servicio (DoS).&#xa0;La recepci\u00f3n continua de estos tipos de paquetes de actualizaci\u00f3n de BGP v\u00e1lidos causar\u00e1 una condici\u00f3n de denegaci\u00f3n de servicio extendida.&#xa0;RPD requerir\u00e1 un reinicio para recuperarse.&#xa0;Un indicador de compromiso es visualizar si el archivo rpd.re existe al emitir el comando: show system core-dumps Este problema afecta a: Juniper Networks Junos OS Evolved versiones 19.4 anteriores a 19.4R2-S2-EVO;&#xa0;versiones 20.1 anteriores a 20.1R1-S2-EVO, 20.1R2-S1-EVO.&#xa0;Este problema no afecta a Junos OS"}], "id": "CVE-2021-0209", "lastModified": "2024-11-21T05:42:12.620", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 5.7, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:A/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 5.5, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "[email protected]", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "[email protected]", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "[email protected]", "type": "Primary"}]}, "published": "2021-01-15T18:15:15.027", "references": [{"source": "[email protected]", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA11099"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://kb.juniper.net/JSA11099"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-824"}], "source": "[email protected]", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-824"}], "source": "[email protected]", "type": "Primary"}]}

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