CVE-2021-38545

Katalog CVE

CVSS 5.9 · Medium EPSS 1,3%

Kerentanan pada raspberrypi raspberry pi 4 model b firmware, raspberrypi raspberry pi 3 model b+ firmware. Skor CVSS 3.1 5.9 (Medium) menurut NVD.

Deskripsi (NVD)

Raspberry Pi 3 B+ and 4 B devices 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 Raspberry Pi supplies power to some speakers. The power indicator LED of the Raspberry Pi is connected directly to the power line, as a result, the intensity of a device's power indicator LED is correlative to the power consumption. The sound played by the speakers affects the Raspberry Pi'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 Raspberry Pi, we can recover the sound played by the speakers.

Rincian

Terbit di NVD

11 Agustus 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

5.9 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N · uraikan di kalkulator

EPSS (30 hari)

1,3% peluang dieksploitasi; lebih tinggi dari 69,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.nassiben.com/glowworm-attack exploit · advisory pihak ketiga