{ "id": "CVE-2020-10135", "sourceIdentifier": "cret@cert.org", "published": "2020-05-19T16:15:11.073", "lastModified": "2024-11-21T04:54:53.243", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "Legacy pairing and secure-connections pairing authentication in Bluetooth BR/EDR Core Specification v5.2 and earlier may allow an unauthenticated user to complete authentication without pairing credentials via adjacent access. An unauthenticated, adjacent attacker could impersonate a Bluetooth BR/EDR master or slave to pair with a previously paired remote device to successfully complete the authentication procedure without knowing the link key." }, { "lang": "es", "value": "El emparejamiento heredado y la identificaci\u00f3n de emparejamiento de conexiones seguras en Bluetooth BR / EDR Core Specification v5.2 y anteriores pueden permitir que un usuario no identificado complete la autenticaci\u00f3n sin emparejar credenciales a trav\u00e9s de acceso adyacente. Un atacante adyacente no autenticado podr\u00eda hacerse pasar por un maestro o esclavo Bluetooth BR / EDR para emparejarse con un dispositivo remoto previamente emparejado para completar con \u00e9xito el procedimiento de autenticaci\u00f3n sin conocer la clave de enlace" } ], "metrics": { "cvssMetricV31": [ { "source": "cret@cert.org", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE" }, "exploitabilityScore": 2.8, "impactScore": 2.5 }, { "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:L/I:L/A:N", "baseScore": 5.4, "baseSeverity": "MEDIUM", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE" }, "exploitabilityScore": 2.8, "impactScore": 2.5 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:A/AC:L/Au:N/C:P/I:P/A:N", "baseScore": 4.8, "accessVector": "ADJACENT_NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "NONE" }, "baseSeverity": "MEDIUM", "exploitabilityScore": 6.5, "impactScore": 4.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "cret@cert.org", "type": "Secondary", "description": [ { "lang": "en", "value": "CWE-757" } ] }, { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-290" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:bluetooth:bluetooth_core:*:*:*:*:br:*:*:*", "versionEndIncluding": "5.2", "matchCriteriaId": "3CD0469C-97E9-4969-BDE7-5303560FC4BC" }, { "vulnerable": true, "criteria": "cpe:2.3:a:bluetooth:bluetooth_core:*:*:*:*:edr:*:*:*", "versionEndIncluding": "5.2", "matchCriteriaId": "D66993FE-5201-45B7-B597-E4E751E3C607" } ] } ] }, { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "matchCriteriaId": "B620311B-34A3-48A6-82DF-6F078D7A4493" } ] } ] } ], "references": [ { "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html", "source": "cret@cert.org", "tags": [ "Broken Link", "Mailing List", "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html", "source": "cret@cert.org", "tags": [ "Broken Link", "Mailing List", "Third Party Advisory" ] }, { "url": "http://packetstormsecurity.com/files/157922/Bluetooth-Impersonation-Attack-BIAS-Proof-Of-Concept.html", "source": "cret@cert.org", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "http://seclists.org/fulldisclosure/2020/Jun/5", "source": "cret@cert.org", "tags": [ "Exploit", "Mailing List", "Third Party Advisory" ] }, { "url": "https://francozappa.github.io/about-bias/", "source": "cret@cert.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://kb.cert.org/vuls/id/647177/", "source": "cret@cert.org", "tags": [ "Third Party Advisory", "US Government Resource" ] }, { "url": "https://www.bluetooth.com/learn-about-bluetooth/bluetooth-technology/bluetooth-security/bias-vulnerability/", "source": "cret@cert.org", "tags": [ "Vendor Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Broken Link", "Mailing List", "Third Party Advisory" ] }, { "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00047.html", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Broken Link", "Mailing List", "Third Party Advisory" ] }, { "url": "http://packetstormsecurity.com/files/157922/Bluetooth-Impersonation-Attack-BIAS-Proof-Of-Concept.html", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory", "VDB Entry" ] }, { "url": "http://seclists.org/fulldisclosure/2020/Jun/5", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Mailing List", "Third Party Advisory" ] }, { "url": "https://francozappa.github.io/about-bias/", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] }, { "url": "https://kb.cert.org/vuls/id/647177/", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory", "US Government Resource" ] }, { "url": "https://www.bluetooth.com/learn-about-bluetooth/bluetooth-technology/bluetooth-security/bias-vulnerability/", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Vendor Advisory" ] } ] }