CVE-2020-16146

published 2021-01-12

CVE-2020-16146: Espressif ESP-IDF 2.x, 3.0.x through 3.0.9, 3.1.x through 3.1.7, 3.2.x through 3.2.3, 3.3.x through 3.3.2, and 4.0.x through 4.0.1 has a Buffer Overflow in…

Priority P3 41 high 7.5 CVSS 3.1

AV N AC L PR N UI N S U C N I N A H

Espressif ESP-IDF 2.x, 3.0.x through 3.0.9, 3.1.x through 3.1.7, 3.2.x through 3.2.3, 3.3.x through 3.3.2, and 4.0.x through 4.0.1 has a Buffer Overflow in BluFi provisioning in btc_blufi_recv_handler function in blufi_prf.c. An attacker can send a crafted BluFi protocol Write Attribute command to characteristic 0xFF01. With manipulated packet fields, there is a buffer overflow.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
espressif	esp-idf	2.0.0 – 2.1.1	—
espressif	esp-idf	3.0 – 3.0.9	—
espressif	esp-idf	3.1 – 3.1.7	—
espressif	esp-idf	3.2 – 3.2.3	—
espressif	esp-idf	3.3 – 3.3.2	—
espressif	esp-idf	4.0.0 – 4.0.1	—

CVSS provenance

nvd v3.1 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvd v2.0 5.0 MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P

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CWE-120