CVE-2021-28135

The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not properly handle the reception of continuous unsolicited LMP responses, allowing attackers in radio range to trigger a denial of service crash in ESP32 by flooding the target device with LMP Feature Response data...

CVE-2021-28136

The CVE affects Espressif ESP-IDF 4.4 and earlier’s Bluetooth Classic stack. Root cause: ESP32’s handling of multiple LMP IO Capability Request packets during pairing allows a replayed/duplicated LMP packet to trigger memory corruption and a crash. Impact stated in sources: attacker in radio rang...

CVE-2021-28136

The Bluetooth Classic implementation in Espressif ESP-IDF 4.4 and earlier does not properly handle the reception of multiple LMP IO Capability Request packets during the pairing process, allowing attackers in radio range to trigger memory corruption and consequently a crash in ESP32 via a replaye...

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 BluFi provisioning in btcblufirecvhandler function in blufiprf.c. An attacker can send a crafted BluFi protocol Write Attribute command to...

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 BluFi provisioning in btcblufirecvhandler function in blufiprf.c. An attacker can send a crafted BluFi protocol Write Attribute command to...

Buffer overflow

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 btcblufirecvhandler function in blufiprf.c. An attacker can send a crafted BluFi protocol Write Attribute command to...

CVE-2020-16146

ESP-IDF BluFi vulnerability CVE-2020-16146 affects ESP-IDF 2.x, 3.x up to 3.0.9/3.1.7/3.2.3/3.3.2 and 4.0.x up to 4.0.1. A buffer overflow occurs in BluFi provisioning, in btc_blufi_recv_handler (blufi_prf.c). An attacker can send a crafted BluFi protocol Write Attribute command to characteristic...

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 BluFi provisioning in btcblufirecvhandler function in blufiprf.c. An attacker can send a crafted BluFi protocol Write Attribute command to...

CVE-2020-13595

The Bluetooth Low Energy BLE controller implementation in Espressif ESP-IDF 4.0 through 4.2 for ESP32 devices returns the wrong number of completed BLE packets and triggers a reachable assertion on the host stack when receiving a packet with an MIC failure. An attacker within radio range can...

CVE-2020-13595

The Bluetooth Low Energy BLE controller implementation in Espressif ESP-IDF 4.0 through 4.2 for ESP32 devices returns the wrong number of completed BLE packets and triggers a reachable assertion on the host stack when receiving a packet with an MIC failure. An attacker within radio range can...

CVE-2020-13594

The Bluetooth Low Energy BLE controller implementation in Espressif ESP-IDF 4.2 and earlier for ESP32 devices does not properly restrict the channel map field of the connection request packet on reception, allowing attackers in radio range to cause a denial of service crash via a crafted packet...

Design/Logic Flaw

The Bluetooth Low Energy BLE controller implementation in Espressif ESP-IDF 4.0 through 4.2 for ESP32 devices returns the wrong number of completed BLE packets and triggers a reachable assertion on the host stack when receiving a packet with an MIC failure. An attacker within radio range can...

Design/Logic Flaw

The Bluetooth Low Energy BLE controller implementation in Espressif ESP-IDF 4.2 and earlier for ESP32 devices does not properly restrict the channel map field of the connection request packet on reception, allowing attackers in radio range to cause a denial of service crash via a crafted packet...

CVE-2020-13595

The Bluetooth Low Energy BLE controller implementation in Espressif ESP-IDF 4.0 through 4.2 for ESP32 devices returns the wrong number of completed BLE packets and triggers a reachable assertion on the host stack when receiving a packet with an MIC failure. An attacker within radio range can...

CVE-2020-13595

The CVE-2020-13595 entry covers a vulnerability in Espressif ESP-IDF (ESP32) BLE controller (versions 4.0–4.2) where the controller returns the incorrect number of completed BLE packets and triggers a reachable assertion on the host stack when processing a packet with an MIC failure. This can be ...

CVE-2020-13594

CVE-2020-13594 concerns the BLE controller in Espressif ESP-IDF 4.2 and earlier for ESP32. The vulnerability arises because the channel map field of the connection request packet is not properly restricted, allowing radio-range attackers to crash the device via a crafted packet ( denial of servic...

CVE-2020-13594

The Bluetooth Low Energy BLE controller implementation in Espressif ESP-IDF 4.2 and earlier for ESP32 devices does not properly restrict the channel map field of the connection request packet on reception, allowing attackers in radio range to cause a denial of service crash via a crafted packet...

Design/Logic Flaw

An encryption-bypass issue was discovered on Espressif ESP-IDF devices through 4.2, ESP8266NONOSSDK devices through 3.0.3, and ESP8266RTOSSDK devices through 3.3. Broadcasting forged beacon frames forces a device to change its authentication mode to OPEN, effectively disabling its 802.11 encrypti...

CVE-2020-12638

The CVE affects Espressif IoT SDKs: ESP-IDF up to 4.2, ESP8266_NONOS_SDK up to 3.0.3, and ESP8266_RTOS_SDK up to 3.3. A forged-beacon-frame exploit forces a device to switch its authentication mode to OPEN, effectively disabling 802.11 encryption. The underlying issue is an encryption bypass trig...

CVE-2019-15894

An issue was discovered in Espressif ESP-IDF 2.x, 3.0.x through 3.0.9, 3.1.x through 3.1.6, 3.2.x through 3.2.3, and 3.3.x through 3.3.1. An attacker who uses fault injection to physically disrupt the ESP32 CPU can bypass the Secure Boot digest verification at startup, and boot unverified code fr...