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CVE-2021-28136

Published: Sep 7, 2021

Modified: Aug 3, 2024

PUBLISHED

Description

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.

Vendor	Product	Versions
n/a	n/a	affected `n/a`

References

https://github.com/espressif/esp-idf

x_refsource_MISC

https://github.com/espressif/esp32-bt-lib

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https://www.espressif.com/en/products/socs/esp32

x_refsource_MISC

https://dl.packetstormsecurity.net/papers/general/braktooth.pdf

x_refsource_MISC

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