cve-2021-0209
Vulnerability from cvelistv5
Published
2021-01-15 17:35
Modified
2024-09-17 03:32
Severity ?
EPSS score ?
Summary
Junos OS Evolved: Receipt of certain valid BGP update packets from BGP peers may cause RPD to core when using REGEX.
References
▼ | URL | Tags | |
---|---|---|---|
sirt@juniper.net | https://kb.juniper.net/JSA11099 | Vendor Advisory |
Impacted products
▼ | Vendor | Product |
---|---|---|
Juniper Networks | Junos OS Evolved |
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-03T15:32:10.126Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://kb.juniper.net/JSA11099" } ], "title": "CVE Program Container" } ], "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": "sirt@juniper.net", "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": "\u003c", "version_name": "19.4", "version_value": "19.4R2-S2-EVO" }, { "version_affected": "\u003c", "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). 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." } ] }, "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": "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" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-824 Access of Uninitialized Pointer" } ] }, { "description": [ { "lang": "eng", "value": "Denial of Service (DoS)" } ] } ] }, "references": { "reference_data": [ { "name": "https://kb.juniper.net/JSA11099", "refsource": "CONFIRM", "url": "https://kb.juniper.net/JSA11099" } ] }, "solution": [ { "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" }, "work_around": [ { "lang": "en", "value": "There are no available workarounds for this issue." } ] } } }, "cveMetadata": { "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "assignerShortName": "juniper", "cveId": "CVE-2021-0209", "datePublished": "2021-01-15T17:35:56.274980Z", "dateReserved": "2020-10-27T00:00:00", "dateUpdated": "2024-09-17T03:32:29.054Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-0209\",\"sourceIdentifier\":\"sirt@juniper.net\",\"published\":\"2021-01-15T18:15:15.027\",\"lastModified\":\"2021-10-25T15:20:20.700\",\"vulnStatus\":\"Analyzed\",\"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).\u0026#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.\u0026#xa0;RPD requerir\u00e1 un reinicio para recuperarse.\u0026#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;\u0026#xa0;versiones 20.1 anteriores a 20.1R1-S2-EVO, 20.1R2-S1-EVO.\u0026#xa0;Este problema no afecta a Junos OS\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6},{\"source\":\"sirt@juniper.net\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:A/AC:M/Au:N/C:N/I:N/A:C\",\"accessVector\":\"ADJACENT_NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\",\"baseScore\":5.7},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":5.5,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-824\"}]},{\"source\":\"sirt@juniper.net\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-824\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"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\"}]}]}],\"references\":[{\"url\":\"https://kb.juniper.net/JSA11099\",\"source\":\"sirt@juniper.net\",\"tags\":[\"Vendor Advisory\"]}]}}" } }
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Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.