{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "The Bluetooth Classic implementation in the Zhuhai Jieli AC6366C BT SDK through 0.9.1 does not properly handle the reception of truncated LMP_SCO_Link_Request packets while no other BT connections are active, allowing attackers in radio range to prevent new BT connections (disabling the AB5301A inquiry and page scan procedures) via a crafted LMP packet. The user needs to manually perform a power cycle (restart) of the device to restore BT connectivity."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-09-07T05:55:01", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/Jieli-Tech/fw-AC63_BT_SDK"}, {"tags": ["x_refsource_MISC"], "url": "https://launchstudio.bluetooth.com/ListingDetails/91371"}, {"tags": ["x_refsource_MISC"], "url": "https://dl.packetstormsecurity.net/papers/general/braktooth.pdf"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-34144", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The Bluetooth Classic implementation in the Zhuhai Jieli AC6366C BT SDK through 0.9.1 does not properly handle the reception of truncated LMP_SCO_Link_Request packets while no other BT connections are active, allowing attackers in radio range to prevent new BT connections (disabling the AB5301A inquiry and page scan procedures) via a crafted LMP packet. The user needs to manually perform a power cycle (restart) of the device to restore BT connectivity."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/Jieli-Tech/fw-AC63_BT_SDK", "refsource": "MISC", "url": "https://github.com/Jieli-Tech/fw-AC63_BT_SDK"}, {"name": "https://launchstudio.bluetooth.com/ListingDetails/91371", "refsource": "MISC", "url": "https://launchstudio.bluetooth.com/ListingDetails/91371"}, {"name": "https://dl.packetstormsecurity.net/papers/general/braktooth.pdf", "refsource": "MISC", "url": "https://dl.packetstormsecurity.net/papers/general/braktooth.pdf"}]}}}}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-34144", "datePublished": "2021-09-07T05:55:01", "dateReserved": "2021-06-07T00:00:00", "dateUpdated": "2021-09-07T05:55:01", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:zh-jieli:fw-ac63_bt_sdk:*:*:*:*:*:*:*:*", "matchCriteriaId": "4EBFB910-C7CB-4383-BA7A-BF854A13DF85", "versionEndIncluding": "0.9.1", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"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", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "The Bluetooth Classic implementation in the Zhuhai Jieli AC6366C BT SDK through 0.9.1 does not properly handle the reception of truncated LMP_SCO_Link_Request packets while no other BT connections are active, allowing attackers in radio range to prevent new BT connections (disabling the AB5301A inquiry and page scan procedures) via a crafted LMP packet. The user needs to manually perform a power cycle (restart) of the device to restore BT connectivity."}, {"lang": "es", "value": "Una implementaci\u00f3n de Bluetooth Classic en el SDK de Zhuhai Jieli AC6366C BT versiones hasta 0.9.1, no maneja apropiadamente la recepci\u00f3n de paquetes LMP_SCO_Link_Request truncados mientras no se presentan otras conexiones BT activas, permitiendo a atacantes en el rango de radio impedir nuevas conexiones BT (deshabilitando los procedimientos de consulta y exploraci\u00f3n de p\u00e1ginas AB5301A) por medio de un paquete LMP dise\u00f1ado. El usuario necesita llevar acabo manualmente un ciclo de alimentaci\u00f3n (reinicio) del dispositivo para restaurar la conectividad BT"}], "id": "CVE-2021-34144", "lastModified": "2021-09-09T23:27:26.107", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 3.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 6.5, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-09-07T06:15:07.867", "references": [{"source": "cve@mitre.org", "tags": ["Technical Description", "Third Party Advisory"], "url": "https://dl.packetstormsecurity.net/papers/general/braktooth.pdf"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "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"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}