CVE-2020-16146

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Espressif ESP-IDF versiones 2.x, 3.0.x hasta 3.0.9, versiones 3.1.x hasta 3.1.7, versiones 3.2.x hasta 3.2.3, versiones 3.3.x hasta 3.3.2 y versiones 4.0.x versiones hasta 4.0.1, presenta un Desbordamiento del Búfer en el aprovisionamiento de BluFi en la función btc_blufi_recv_handler en el archivo blufi_prf.c. Un atacante puede enviar un comando Write Attribute del protocolo BluFi diseñado en la característica 0xFF01. Con campos de paquetes manipulados, se presenta un desbordamiento del búfer

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-07-30 CVE Reserved
2021-01-12 CVE Published
2024-08-04 CVE Updated
2024-12-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

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

CAPEC

References (2)

URL	Tag	Source
https://github.com/espressif/esp-idf	Third Party Advisory
https://github.com/pokerfacett/MY_CVE_CREDIT/blob/master/CVE-2020-16146.md	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Espressif Search vendor "Espressif"		Esp-idf Search vendor "Espressif" for product "Esp-idf"				>= 2.0.0 <= 2.1.1 Search vendor "Espressif" for product "Esp-idf" and version " >= 2.0.0 <= 2.1.1"		-		Affected
Espressif Search vendor "Espressif"		Esp-idf Search vendor "Espressif" for product "Esp-idf"				>= 3.0 <= 3.0.9 Search vendor "Espressif" for product "Esp-idf" and version " >= 3.0 <= 3.0.9"		-		Affected
Espressif Search vendor "Espressif"		Esp-idf Search vendor "Espressif" for product "Esp-idf"				>= 3.1 <= 3.1.7 Search vendor "Espressif" for product "Esp-idf" and version " >= 3.1 <= 3.1.7"		-		Affected
Espressif Search vendor "Espressif"		Esp-idf Search vendor "Espressif" for product "Esp-idf"				>= 3.2 <= 3.2.3 Search vendor "Espressif" for product "Esp-idf" and version " >= 3.2 <= 3.2.3"		-		Affected
Espressif Search vendor "Espressif"		Esp-idf Search vendor "Espressif" for product "Esp-idf"				>= 3.3 <= 3.3.2 Search vendor "Espressif" for product "Esp-idf" and version " >= 3.3 <= 3.3.2"		-		Affected
Espressif Search vendor "Espressif"		Esp-idf Search vendor "Espressif" for product "Esp-idf"				>= 4.0.0 <= 4.0.1 Search vendor "Espressif" for product "Esp-idf" and version " >= 4.0.0 <= 4.0.1"		-		Affected