CVE Vulnerability

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 replayed (duplicated) LMP packet.

3.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 6.5 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/espressif/esp32-bt-lib Product Third Party Advisory
https://dl.packetstormsecurity.net/papers/general/braktooth.pdf Technical Description Third Party Advisory
https://www.espressif.com/en/products/socs/esp32 Product Vendor Advisory
https://github.com/espressif/esp-idf Product Third Party Advisory
Configurations

Configuration 1
Information

Published : 2021-09-07 06:15

Updated : 2021-09-09 11:32

NVD link : CVE-2021-28136

Mitre link : CVE-2021-28136

Products Affected
No products.
CWE
CWE-787