Summary
A vulnerability allows Bluetooth LE pairing traffic to be sniffed and used to bypass authentication for pairing.
Details
Impact
An unauthenticated attacker can acquire the pairing credentials to authenticate itself to an affected Bluetooth Low Energy device in order to use it. The Attack Complexity is high, the attacker must be adjacent to the network and the attacker must interact with the devices to make use of vulnerability.
Additional resources:
• HMS Security Advisory HMSSAR-2023-05-02-001
Mitigation
Disable Bluetooth LE if not used.
Remediation
No firmware update will be released to fix this issue.
Vulnerabilities 1
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High 7.5
Bluetooth® Low Energy Pairing in Bluetooth Core Specification v4.0 through v5.3 may permit an unauthenticated MITM to a…
Revision history
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#1
Initial revision.
References
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VDE-2023-014: WAGO: Bluetooth LE vulnerability in WLAN-ETHERNET-Gateway - HTML
https://certvde.com/en/advisories/VDE-2023-014/
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Vendor PSIRT
https://www.wago.com/psirt
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CERT@VDE Security Advisories for WAGO GmbH & Co. KG
https://certvde.com/en/advisories/vendor/wago/