Search criteria
3 vulnerabilities by Bluetooth
CVE-2020-10134 (GCVE-0-2020-10134)
Vulnerability from cvelistv5 – Published: 2020-05-19 15:50 – Updated: 2024-09-16 20:01
VLAI?
Title
Bluetooth devices supporting LE and specific BR/EDR implementations are vulnerable to method confusion attacks
Summary
Pairing in Bluetooth® Core v5.2 and earlier may permit an unauthenticated attacker to acquire credentials with two pairing devices via adjacent access when the unauthenticated user initiates different pairing methods in each peer device and an end-user erroneously completes both pairing procedures with the MITM using the confirmation number of one peer as the passkey of the other. An adjacent, unauthenticated attacker could be able to initiate any Bluetooth operation on either attacked device exposed by the enabled Bluetooth profiles. This exposure may be limited when the user must authorize certain access explicitly, but so long as a user assumes that it is the intended remote device requesting permissions, device-local protections may be weakened.
Severity ?
6.3 (Medium)
CWE
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Credits
Thanks to Ludwig Peuckert and Maximilian von Tschirschnitz for reporting this vulnerability.
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CVE-2020-10135 (GCVE-0-2020-10135)
Vulnerability from cvelistv5 – Published: 2020-05-19 15:50 – Updated: 2024-09-17 02:57
VLAI?
Title
Bluetooth devices supporting BR/EDR v5.2 and earlier are vulnerable to impersonation attacks
Summary
Legacy pairing and secure-connections pairing authentication in Bluetooth BR/EDR Core Specification v5.2 and earlier may allow an unauthenticated user to complete authentication without pairing credentials via adjacent access. An unauthenticated, adjacent attacker could impersonate a Bluetooth BR/EDR master or slave to pair with a previously paired remote device to successfully complete the authentication procedure without knowing the link key.
Severity ?
5.4 (Medium)
CWE
- CWE-757 - Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')
Assigner
References
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2019-9506 (GCVE-0-2019-9506)
Vulnerability from cvelistv5 – Published: 2019-08-14 16:27 – Updated: 2024-09-16 19:14
VLAI?
Title
Blutooth BR/EDR specification does not specify sufficient encryption key length and allows an attacker to influence key length negotiation
Summary
The Bluetooth BR/EDR specification up to and including version 5.1 permits sufficiently low encryption key length and does not prevent an attacker from influencing the key length negotiation. This allows practical brute-force attacks (aka "KNOB") that can decrypt traffic and inject arbitrary ciphertext without the victim noticing.
Severity ?
7.6 (High)
CWE
- CWE-310 - Cryptographic Issues
Assigner
References
Credits
Daniele Antonioli‚ Nils Ole Tippenhauer, Kasper Rasmussen
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