{ "id": "CVE-2021-28135", "sourceIdentifier": "cve@mitre.org", "published": "2021-09-07T06:15:07.230", "lastModified": "2024-11-21T05:59:09.477", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not properly handle the reception of continuous unsolicited LMP responses, allowing attackers in radio range to trigger a denial of service (crash) in ESP32 by flooding the target device with LMP Feature Response data." }, { "lang": "es", "value": "Una implementaci\u00f3n de Bluetooth Classic en Espressif ESP-IDF versi\u00f3n 4.4 y anteriores, 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 (ca\u00edda) en ESP32 inundando el dispositivo de destino con datos de respuesta de caracter\u00edsticas LMP" } ], "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:P", "baseScore": 3.3, "accessVector": "ADJACENT_NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL" }, "baseSeverity": "LOW", "exploitabilityScore": 6.5, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "NVD-CWE-Other" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:espressif:esp-idf:*:*:*:*:*:*:*:*", "versionEndIncluding": "4.4", "matchCriteriaId": "EFF8C3F9-F42A-48FF-ADBF-E09B7D7B5550" } ] } ] } ], "references": [ { "url": "https://dl.packetstormsecurity.net/papers/general/braktooth.pdf", "source": "cve@mitre.org", "tags": [ "Broken Link" ] }, { "url": "https://github.com/espressif/esp-idf", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://github.com/espressif/esp32-bt-lib", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.espressif.com/en/products/socs/esp32", "source": "cve@mitre.org", "tags": [ "Product" ] }, { "url": "https://dl.packetstormsecurity.net/papers/general/braktooth.pdf", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Broken Link" ] }, { "url": "https://github.com/espressif/esp-idf", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] }, { "url": "https://github.com/espressif/esp32-bt-lib", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.espressif.com/en/products/socs/esp32", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Product" ] } ] }