CVE-2021-38549

{"id": "CVE-2021-38549", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.2}]}, "published": "2021-08-11T16:15:07.420", "references": [{"url": "https://www.nassiben.com/glowworm-attack", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.nassiben.com/glowworm-attack", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "MIRACASE MHUB500 USB splitters through 2021-08-09, in certain specific use cases in which the device supplies power to audio-output equipment, allow remote attackers to recover speech signals from an LED on the device, via a telescope and an electro-optical sensor, aka a \"Glowworm\" attack. We assume that the USB splitter supplies power to some speakers. The power indicator LED of the USB splitter is connected directly to the power line, as a result, the intensity of the USB splitter's power indicator LED is correlative to its power consumption. The sound played by the connected speakers affects the USB splitter's power consumption and as a result is also correlative to the light intensity of the LED. By analyzing measurements obtained from an electro-optical sensor directed at the power indicator LED of the USB splitter, we can recover the sound played by the connected speakers."}, {"lang": "es", "value": "Los splitters USB MIRACASE MHUB500 hasta el 09-08-2021, en determinados casos de uso en los que el dispositivo suministra energ\u00eda a equipos de salida de audio, permiten a atacantes remotos recuperar las se\u00f1ales de voz de un LED del dispositivo, por medio de un telescopio y un sensor electro-\u00f3ptico, un ataque \"Glowworm\". Suponemos que el divisor USB suministra energ\u00eda a unos altavoces. El LED indicador de potencia del divisor USB est\u00e1 conectado directamente a la l\u00ednea de alimentaci\u00f3n, por lo que la intensidad del LED indicador de potencia del divisor USB es correlativa a su consumo de energ\u00eda. El sonido reproducido por los altavoces conectados afecta al consumo de energ\u00eda del divisor USB y, en consecuencia, tambi\u00e9n es correlativo a la intensidad luminosa del LED. Al analizar las mediciones obtenidas por un sensor electro-\u00f3ptico dirigido al LED indicador de potencia del divisor USB, podemos recuperar el sonido reproducido por los altavoces conectados"}], "lastModified": "2024-11-21T06:17:25.150", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:benda:miracase_hmub500_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F012CBB5-C421-45E6-9682-488D87880294", "versionEndIncluding": "2021-08-09"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:benda:miracase_hmub500:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "3718EF70-E7E0-47E6-9134-AECD7B1A8812"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}