Bluetooth implementations may not sufficiently validate elliptic curve parameters during Diffie-Hellman key exchange
Vulnerability Description
Bluetooth firmware or operating system software drivers in macOS versions before 10.13, High Sierra and iOS versions before 11.4, and Android versions before the 2018-06-05 patch may not sufficiently validate elliptic curve parameters used to generate public keys during a Diffie-Hellman key exchange, which may allow a remote attacker to obtain the encryption key used by the device.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Lior Neumann and Eli Biham of the Techion Israel Institute of Technology
References
- http://www.cs.technion.ac.il/~biham/BT/
- http://www.securitytracker.com/id/1041432
- https://www.kb.cert.org/vuls/id/304725
- https://www.bluetooth.com/news/unknown/2018/07/bluetooth-sig-security-update
- http://www.securityfocus.com/bid/104879
- https://lists.debian.org/debian-lts-announce/2019/04/msg00005.html
- https://access.redhat.com/errata/RHSA-2019:2169
- https://usn.ubuntu.com/4094-1/
- https://usn.ubuntu.com/4095-2/
- https://usn.ubuntu.com/4095-1/
- https://usn.ubuntu.com/4118-1/
- https://usn.ubuntu.com/4351-1/
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Timeline
CVSS Vectors
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.