{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "TI\u2019s BLE stack caches and reuses the LTK\u2019s property for a bonded mobile. A LTK can be an unauthenticated-and-no-MITM-protection key created by Just Works or an authenticated-and-MITM-protection key created by Passkey Entry, Numeric Comparison or OOB. Assume that a victim mobile uses secure pairing to pair with a victim BLE device based on TI chips and generate an authenticated-and-MITM-protection LTK. If a fake mobile with the victim mobile\u2019s MAC address uses Just Works and pairs with the victim device, the generated LTK still has the property of authenticated-and-MITM-protection. Therefore, the fake mobile can access attributes with the authenticated read/write permission."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-09-20T19:20:50", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "http://software-dl.ti.com/simplelink/esd/simplelink_cc13x2_26x2_sdk/3.20.00.68/exports/changelog.html"}, {"tags": ["x_refsource_MISC"], "url": "https://www.usenix.org/system/files/sec20-zhang-yue.pdf"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-16630", "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": "TI\u2019s BLE stack caches and reuses the LTK\u2019s property for a bonded mobile. A LTK can be an unauthenticated-and-no-MITM-protection key created by Just Works or an authenticated-and-MITM-protection key created by Passkey Entry, Numeric Comparison or OOB. Assume that a victim mobile uses secure pairing to pair with a victim BLE device based on TI chips and generate an authenticated-and-MITM-protection LTK. If a fake mobile with the victim mobile\u2019s MAC address uses Just Works and pairs with the victim device, the generated LTK still has the property of authenticated-and-MITM-protection. Therefore, the fake mobile can access attributes with the authenticated read/write permission."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://software-dl.ti.com/simplelink/esd/simplelink_cc13x2_26x2_sdk/3.20.00.68/exports/changelog.html", "refsource": "MISC", "url": "http://software-dl.ti.com/simplelink/esd/simplelink_cc13x2_26x2_sdk/3.20.00.68/exports/changelog.html"}, {"name": "https://www.usenix.org/system/files/sec20-zhang-yue.pdf", "refsource": "MISC", "url": "https://www.usenix.org/system/files/sec20-zhang-yue.pdf"}]}}}}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2020-16630", "datePublished": "2021-09-20T19:20:50", "dateReserved": "2020-08-04T00:00:00", "dateUpdated": "2021-09-20T19:20:50", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ti:15.4-stack:-:*:*:*:*:*:*:*", "matchCriteriaId": "F2973A2C-67E6-4064-A2A9-E4122E201DDF", "vulnerable": true}, {"criteria": "cpe:2.3:a:ti:ble5-stack:-:*:*:*:*:*:*:*", "matchCriteriaId": "0E161F37-86D3-4558-91B4-086528A351AA", "vulnerable": true}, {"criteria": "cpe:2.3:a:ti:dynamic_multi-protocal_manager:-:*:*:*:*:*:*:*", "matchCriteriaId": "F9951BB2-E930-4C92-B673-501591679002", "vulnerable": true}, {"criteria": "cpe:2.3:a:ti:easylink:-:*:*:*:*:*:*:*", "matchCriteriaId": "74934E63-1140-4F9B-BC05-3739E62B9DE4", "vulnerable": true}, {"criteria": "cpe:2.3:a:ti:openthread:-:*:*:*:*:*:*:*", "matchCriteriaId": "B3586ABB-3E4A-4BAD-B9F4-5EB6775AFEF3", "vulnerable": true}, {"criteria": "cpe:2.3:a:ti:z-stack:-:*:*:*:*:*:*:*", "matchCriteriaId": "BA516494-4D9A-4275-A7BA-A82699625477", "vulnerable": true}, {"criteria": "cpe:2.3:o:ti:real-time_operating_system:-:*:*:*:*:*:*:*", "matchCriteriaId": "E289611E-871B-433E-BF10-CDABF650AAC9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "TI\u2019s BLE stack caches and reuses the LTK\u2019s property for a bonded mobile. A LTK can be an unauthenticated-and-no-MITM-protection key created by Just Works or an authenticated-and-MITM-protection key created by Passkey Entry, Numeric Comparison or OOB. Assume that a victim mobile uses secure pairing to pair with a victim BLE device based on TI chips and generate an authenticated-and-MITM-protection LTK. If a fake mobile with the victim mobile\u2019s MAC address uses Just Works and pairs with the victim device, the generated LTK still has the property of authenticated-and-MITM-protection. Therefore, the fake mobile can access attributes with the authenticated read/write permission."}, {"lang": "es", "value": "La pila BLE de TI almacena en cach\u00e9 y reusa la propiedad del LTK para un m\u00f3vil vinculado. Una LTK puede ser una clave no autenticada y sin protecci\u00f3n MITM creada por Just Works o una clave autenticada y con protecci\u00f3n MITM creada por Passkey Entry, Numeric Comparison u OOB. Supongamos que un m\u00f3vil v\u00edctima usa el emparejamiento seguro para emparejarse con un dispositivo BLE v\u00edctima basado en chips TI y genera una LTK autenticada y de protecci\u00f3n MITM. Si un m\u00f3vil falso con la direcci\u00f3n MAC del m\u00f3vil v\u00edctima usa Just Works y se empareja con el dispositivo v\u00edctima, el LTK generado sigue teniendo la propiedad de autenticaci\u00f3n y protecci\u00f3n MITM. Por lo tanto, el m\u00f3vil falso puede acceder a los atributos con el permiso de lectura/escritura autenticado"}], "id": "CVE-2020-16630", "lastModified": "2021-10-07T13:13:16.507", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:A/AC:M/Au:N/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 5.5, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-09-20T20:15:11.337", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://software-dl.ti.com/simplelink/esd/simplelink_cc13x2_26x2_sdk/3.20.00.68/exports/changelog.html"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.usenix.org/system/files/sec20-zhang-yue.pdf"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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