CVE-2021-34145

{"id": "CVE-2021-34145", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 2.9, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:M/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 5.5, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.6}]}, "published": "2021-09-07T07:15:07.280", "references": [{"url": "https://dl.packetstormsecurity.net/papers/general/braktooth.pdf", "tags": ["Broken Link"], "source": "cve@mitre.org"}, {"url": "https://www.cypress.com/documentation/datasheets/cyw20735b1-single-chip-bluetooth-transceiver-wireless-input-devices", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "The Bluetooth Classic implementation in the Cypress WICED BT stack through 2.9.0 for CYW20735B1 devices does not properly handle the reception of LMP_max_slot with an invalid Baseband packet type (and LT_ADDRESS and LT_ADDR) after completion of the LMP setup procedure, allowing attackers in radio range to trigger a denial of service (firmware crash) via a crafted LMP packet."}, {"lang": "es", "value": "Una implementaci\u00f3n de Bluetooth Classic en la pila WICED BT de Cypress versiones hasta 2.9.0, para los dispositivos CYW20735B1 no maneja apropiadamente la recepci\u00f3n de LMP_max_slot con un tipo de paquete de banda base no v\u00e1lido (y LT_ADDRESS y LT_ADDR) tras la finalizaci\u00f3n del procedimiento de configuraci\u00f3n de LMP, permitiendo a atacantes en el rango de radio desencadenar una denegaci\u00f3n de servicio (bloqueo del firmware) por medio de un paquete LMP dise\u00f1ado"}], "lastModified": "2021-09-14T15:06:19.830", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:cypress:wireless_internet_connectivity_for_embedded_devices:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9A29026A-CED7-4BAD-8B64-B5E45A7A6A29", "versionEndIncluding": "2.9.0"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:cypress:cyw20735b1:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "F6EBADCA-0C07-4AA0-827D-881CD6FEBE49"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}