{ "id": "CVE-2021-34143", "sourceIdentifier": "cve@mitre.org", "published": "2021-09-07T07:15:07.237", "lastModified": "2024-11-21T06:09:56.567", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "The Bluetooth Classic implementation in the Zhuhai Jieli AC6366C_DEMO_V1.0 does not properly handle the reception of continuous unsolicited LMP responses, allowing attackers in radio range to trigger a denial of service (deadlock) of the device by flooding it with LMP_AU_Rand packets after paging procedure. User intervention is required to restart the device." }, { "lang": "es", "value": "Una implementaci\u00f3n de Bluetooth Classic en el Zhuhai Jieli versi\u00f3n AC6366C_DEMO_V1.0, no maneja apropiadamente la recepci\u00f3n de respuestas LMP continuas no solicitadas, permitiendo a atacantes en el rango de radio desencadenar una denegaci\u00f3n de servicio (bloqueo del firmware) del dispositivo inund\u00e1ndolo con paquetes LMP_AU_Rand despu\u00e9s del procedimiento de paginaci\u00f3n. Es requerida una intervenci\u00f3n del usuario para reiniciar el dispositivo" } ], "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:C", "baseScore": 6.1, "accessVector": "ADJACENT_NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "COMPLETE" }, "baseSeverity": "MEDIUM", "exploitabilityScore": 6.5, "impactScore": 6.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "NVD-CWE-noinfo" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:zh-jieli:fw-ac63_bt_sdk:1.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "0F28F062-BF1F-410F-88A8-6803A3597CDE" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:zh-jieli:ac6936:-:*:*:*:*:*:*:*", "matchCriteriaId": "D65C6E62-5D22-4E63-91D9-7BA950C965D2" }, { "vulnerable": false, "criteria": "cpe:2.3:h:zh-jieli:ac6951:-:*:*:*:*:*:*:*", "matchCriteriaId": "3D8CE668-DAA3-4260-81DC-263D02371CC4" }, { "vulnerable": false, "criteria": "cpe:2.3:h:zh-jieli:ac6952:-:*:*:*:*:*:*:*", "matchCriteriaId": "4E8D2A79-973F-4623-8B69-FB84A7FD1523" }, { "vulnerable": false, "criteria": "cpe:2.3:h:zh-jieli:ac6954:-:*:*:*:*:*:*:*", "matchCriteriaId": "DD431683-3C41-4E33-9CBF-3C8A48349864" }, { "vulnerable": false, "criteria": "cpe:2.3:h:zh-jieli:ac6955:-:*:*:*:*:*:*:*", "matchCriteriaId": "AE0BEAC2-6AD0-4ABC-AAA0-D6A92381738F" }, { "vulnerable": false, "criteria": "cpe:2.3:h:zh-jieli:ac6956:-:*:*:*:*:*:*:*", "matchCriteriaId": "BF79B45C-5363-4B0A-A920-76BC2A928F72" }, { "vulnerable": false, "criteria": "cpe:2.3:h:zh-jieli:ac6963:-:*:*:*:*:*:*:*", "matchCriteriaId": "20CCB0EB-0BA5-4791-806A-43E76EDC4A14" }, { "vulnerable": false, "criteria": "cpe:2.3:h:zh-jieli:ac6965:-:*:*:*:*:*:*:*", "matchCriteriaId": "6C109D9C-60B0-4F68-9425-CF56C27010F6" }, { "vulnerable": false, "criteria": "cpe:2.3:h:zh-jieli:ac6966:-:*:*:*:*:*:*:*", "matchCriteriaId": "D823A1B8-52F8-4B77-8E88-458C3027F756" }, { "vulnerable": false, "criteria": "cpe:2.3:h:zh-jieli:ac6969:-:*:*:*:*:*:*:*", "matchCriteriaId": "2CD608BB-12D0-4741-9C29-C2F2152D85F1" }, { "vulnerable": false, "criteria": "cpe:2.3:h:zh-jieli:ac6973:-:*:*:*:*:*:*:*", "matchCriteriaId": "368384EE-1C0E-45DE-BE6A-7FF65842B62E" }, { "vulnerable": false, "criteria": "cpe:2.3:h:zh-jieli:ac6976:-:*:*:*:*:*:*:*", "matchCriteriaId": "7477A947-398B-4E6A-A751-EFA5A17B381E" }, { "vulnerable": false, "criteria": "cpe:2.3:h:zh-jieli:ac6983:-:*:*:*:*:*:*:*", "matchCriteriaId": "EBD55EDB-A91C-45FF-99F7-E8204E8C2D54" }, { "vulnerable": false, "criteria": "cpe:2.3:h:zh-jieli:ac6986:-:*:*:*:*:*:*:*", "matchCriteriaId": "030B8002-E03A-470A-AA02-40456FA4FE6C" } ] } ] } ], "references": [ { "url": "https://dl.packetstormsecurity.net/papers/general/braktooth.pdf", "source": "cve@mitre.org", "tags": [ "Broken Link" ] }, { "url": "https://github.com/Jieli-Tech/fw-AC63_BT_SDK", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://launchstudio.bluetooth.com/ListingDetails/91371", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://dl.packetstormsecurity.net/papers/general/braktooth.pdf", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Broken Link" ] }, { "url": "https://github.com/Jieli-Tech/fw-AC63_BT_SDK", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] }, { "url": "https://launchstudio.bluetooth.com/ListingDetails/91371", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] } ] }