CVE-2020-16146

Severity CVSS v4.0:

Pending analysis

Type:

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Publication date:

12/01/2021

Last modified:

20/01/2021

Description

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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

7.50

Severity 3.x

HIGH

Vector 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0

5.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:espressif:esp-idf::::::::	2.0.0 (including)	2.1.1 (including)
cpe:2.3:a:espressif:esp-idf::::::::	3.0 (including)	3.0.9 (including)
cpe:2.3:a:espressif:esp-idf::::::::	3.1 (including)	3.1.7 (including)
cpe:2.3:a:espressif:esp-idf::::::::	3.2 (including)	3.2.3 (including)
cpe:2.3:a:espressif:esp-idf::::::::	3.3 (including)	3.3.2 (including)
cpe:2.3:a:espressif:esp-idf::::::::	4.0.0 (including)	4.0.1 (including)

To consult the complete list of CPE names with products and versions, see this page

CVE-2020-16146

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools