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Security Advisory

  • bluekitchen / 15th December 2023

BLUFFS: Impersonating BR/EDR Devices Using Fixed Weak Session Encryption Key

Security Advisory
Over the years, the security mechanism used in BR/EDR (Classic) have evolved from Legacy Pairing over Secure Simple Pairing to the current Secure

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  • bluekitchen / 10th December 2020

BLESA: GATT Client Vulnerabilities

Security Advisory
For Bluetooth Low Energy (BLE) connections, most application make use of the Generic Attribute Profile (GATT) profile. Access to data on the GATT

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  • bluekitchen / 23rd October 2020

BLURtooth: BLUR Attacks on CTKD

Security Advisory
The Cross-transport Key Derivation (CTKD) between Bluetooth LE and Classic (BR/EDR) transports introduces various security issues depending on

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  • bluekitchen / 20th October 2020

Method Confustion Attack on Bluetooth Pairing

Security Advisory
LE Secure Connections uses the Passkey entry method to prevent MITM attacks. However, the new ‘Method Confusion Attack’ shows that a

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  • bluekitchen / 15th September 2020

BIAS: Bluetooth Impersonation AttackS

Security Advisory
A new Bluetooth security paper Bluetooth Impersonation AttackS (BIAS) shows how flaws in the Bluetooth spec can be used to perform a variant of

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  • bluekitchen / 19th August 2019

KNOB: Key Negotiation of Bluetooth Attack

Security Advisory
The new KNOB attack exploits a flaw in the key negotiation protocol for classic connections and lets an attacker reduce the effective key length

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  • bluekitchen / 29th November 2018

Low Energy Legacy Pairing Re-evaluated

Security Advisory
Re-evaluating LE Legacy Pairing, we realized that customers could miss to set two security keys (ER + IR) to persistent random values, which

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