{ "id": "CVE-2021-34149", "sourceIdentifier": "cve@mitre.org", "published": "2021-09-07T07:15:07.467", "lastModified": "2024-11-21T06:09:57.597", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "The Bluetooth Classic implementation on the Texas Instruments CC256XCQFN-EM does not properly handle the reception of continuous LMP_AU_Rand packets, allowing attackers in radio range to trigger a denial of service (deadlock) of the device by flooding it with LMP_AU_Rand packets after the paging procedure." }, { "lang": "es", "value": "Una implementaci\u00f3n de Bluetooth Classic en el Texas Instruments CC256XCQFN-EM, no maneja apropiadamente la recepci\u00f3n de paquetes LMP_AU_Rand continuos, permitiendo a atacantes en el rango de radio desencadenar una denegaci\u00f3n de servicio (deadlock) del dispositivo inund\u00e1ndolo con paquetes LMP_AU_Rand despu\u00e9s del procedimiento de paginaci\u00f3n" } ], "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", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 2.8, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:P", "baseScore": 3.3, "accessVector": "ADJACENT_NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL" }, "baseSeverity": "LOW", "exploitabilityScore": 6.5, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "NVD-CWE-noinfo" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:ti:cc256xcqfn-em_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "9D0A05A2-3B4E-4148-B3A5-1CF8CCCA7981" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:ti:cc256xcqfn-em:-:*:*:*:*:*:*:*", "matchCriteriaId": "2A4E7C63-E2F0-4022-BBB3-4F089E5FF5A5" } ] } ] } ], "references": [ { "url": "https://dl.packetstormsecurity.net/papers/general/braktooth.pdf", "source": "cve@mitre.org", "tags": [ "Technical Description", "Third Party Advisory" ] }, { "url": "https://www.ti.com/product/CC2564C", "source": "cve@mitre.org", "tags": [ "Product", "Vendor Advisory" ] }, { "url": "https://www.ti.com/tool/CC256XC-BT-SP#primary-sw", "source": "cve@mitre.org", "tags": [ "Product", "Vendor Advisory" ] }, { "url": "https://dl.packetstormsecurity.net/papers/general/braktooth.pdf", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Technical Description", "Third Party Advisory" ] }, { "url": "https://www.ti.com/product/CC2564C", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Product", "Vendor Advisory" ] }, { "url": "https://www.ti.com/tool/CC256XC-BT-SP#primary-sw", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Product", "Vendor Advisory" ] } ] }