{ "id": "CVE-2021-38386", "sourceIdentifier": "cve@mitre.org", "published": "2021-08-10T19:15:07.827", "lastModified": "2021-08-17T20:09:03.993", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "In Contiki 3.0, a buffer overflow in the Telnet service allows remote attackers to cause a denial of service because the ls command is mishandled when a directory has many files with long names." }, { "lang": "es", "value": "En Contiki versi\u00f3n 3.0, un desbordamiento de b\u00fafer en el servicio Telnet permite a atacantes remotos causar una denegaci\u00f3n de servicio porque el comando ls es manejado inapropiadamente cuando un directorio presenta muchos archivos con nombres largos" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 10.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-120" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:contiki-os:contiki:3.0:*:*:*:*:*:*:*", "matchCriteriaId": "DCF3DB31-D1C3-4110-8919-13452E797D81" } ] } ] } ], "references": [ { "url": "https://github.com/contiki-os/contiki/issues/2687", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] } ] }