CVE-2020-10134

{"id": "CVE-2020-10134", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "ADJACENT_NETWORK", "vectorString": "AV:A/AC:M/Au:N/C:P/I:P/A:N", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 5.5, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.3, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 4.2, "exploitabilityScore": 2.1}, {"type": "Secondary", "source": "cret@cert.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.3, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 4.2, "exploitabilityScore": 2.1}]}, "published": "2020-05-19T16:15:10.980", "references": [{"url": "https://kb.cert.org/vuls/id/534195/", "tags": ["Third Party Advisory", "US Government Resource"], "source": "cret@cert.org"}, {"url": "https://www.bluetooth.com/learn-about-bluetooth/bluetooth-technology/bluetooth-security/method-vulnerability/", "tags": ["Vendor Advisory"], "source": "cret@cert.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-436"}]}, {"type": "Secondary", "source": "cret@cert.org", "description": [{"lang": "en", "value": "CWE-351"}]}], "descriptions": [{"lang": "en", "value": "Pairing in Bluetooth\u00ae Core v5.2 and earlier may permit an unauthenticated attacker to acquire credentials with two pairing devices via adjacent access when the unauthenticated user initiates different pairing methods in each peer device and an end-user erroneously completes both pairing procedures with the MITM using the confirmation number of one peer as the passkey of the other. An adjacent, unauthenticated attacker could be able to initiate any Bluetooth operation on either attacked device exposed by the enabled Bluetooth profiles. This exposure may be limited when the user must authorize certain access explicitly, but so long as a user assumes that it is the intended remote device requesting permissions, device-local protections may be weakened."}, {"lang": "es", "value": "El emparejamiento en Bluetooth\u00ae Core versiones v5.2 y anteriores, puede permitir a un atacante no autenticado adquirir credenciales con dos dispositivos de emparejamiento mediante un acceso adyacente cuando un usuario no autenticado inicia diferentes m\u00e9todos de emparejamiento en cada dispositivo hom\u00f3logo y un usuario final completa err\u00f3neamente ambos procedimientos de emparejamiento con la t\u00e9cnica MITM usando el n\u00famero de confirmaci\u00f3n de un peer como clave de acceso del otro. Un atacante adyacente no autenticado podr\u00eda ser capaz de iniciar cualquier operaci\u00f3n de Bluetooth en cualquier dispositivo atacado expuesto por los perfiles de Bluetooth habilitados. Esta exposici\u00f3n puede estar limitada cuando el usuario debe autorizar determinado acceso expl\u00edcitamente, pero siempre y cuando el usuario asuma que es el dispositivo remoto deseado que requiera permisos, las protecciones locales del dispositivo pueden estar debilitadas."}], "lastModified": "2020-05-21T18:58:31.067", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:bluetooth:bluetooth_core:*:*:*:*:br:*:*:*", "vulnerable": true, "matchCriteriaId": "3CD0469C-97E9-4969-BDE7-5303560FC4BC", "versionEndIncluding": "5.2"}, {"criteria": "cpe:2.3:a:bluetooth:bluetooth_core:*:*:*:*:edr:*:*:*", "vulnerable": true, "matchCriteriaId": "D66993FE-5201-45B7-B597-E4E751E3C607", "versionEndIncluding": "5.2"}, {"criteria": "cpe:2.3:a:bluetooth:bluetooth_core:*:*:*:*:le:*:*:*", "vulnerable": true, "matchCriteriaId": "9AECFA4F-DCF3-469C-91E3-1A3EBBE8CE6B", "versionEndIncluding": "5.2"}], "operator": "OR"}]}], "sourceIdentifier": "cret@cert.org"}