Bluetooth: SMP: Fail if remote and local public keys are identical
Summary
GSD-2021-1000522: Bluetooth: SMP: Fail if remote and local public keys are identical. Affects Kernel versions >= bfe01a5ba2490f299e1d2d5508cbbbadd897bbe9, < d8d261c7cfb3a5dd921b4aeeb944718afc3f3961. No fix is published. How to fix ↓
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Background
The vulnerability affects the Kernel package in the Linux ecosystem. The Kernel is the core component of the Linux operating system, responsible for managing system resources and providing an interface for software to interact with the hardware. It plays a crucial role in the overall functionality and stability of the system. This vulnerability specifically targets the Bluetooth Secure Simple Pairing (SMP) protocol, which is used for establishing secure connections between Bluetooth devices. The vulnerability arises when the remote and local public keys in the SMP protocol are identical.
Vulnerability Detail
The vulnerability in the Bluetooth SMP protocol occurs when the remote and local public keys are the same. This can lead to potential security risks as it undermines the integrity and confidentiality of the communication between Bluetooth devices. An attacker could exploit this vulnerability to perform man-in-the-middle attacks, eavesdrop on sensitive data, or tamper with the communication. The impact and attack plausibility of this vulnerability have not been proven yet, but it is essential to address it to ensure the security of Bluetooth connections.
How To Fix
No fixed version is published for this vulnerability.
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Conclusion
The Bluetooth: SMP: Fail if remote and local public keys are identical vulnerability affects the Kernel package in the Linux ecosystem. It can potentially compromise the security of Bluetooth connections, allowing attackers to perform various malicious activities. To mitigate this vulnerability, it is recommended to update the Linux Kernel package to version v5.10.40 or later. For further support on vulnerability remediation, you can contact DevNack.com.
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FAQ
The vulnerability can potentially compromise the security of Bluetooth connections, allowing attackers to perform man-in-the-middle attacks, eavesdrop on communication, or tamper with data.
You can use the Vulert Playground at Vulert Scanner to check if your system is affected by this vulnerability. Simply upload your package-lock.json file to the playground, and it will provide real-time alerts for open-source vulnerabilities, including this one.
No specific workaround has been provided for this vulnerability. It is recommended to update the Linux Kernel package to the latest version to fix the issue.
There is no evidence of this vulnerability being exploited in the wild. However, it is crucial to address it promptly to prevent potential security breaches.
You can find more information about this vulnerability in the GSD-2021-1000522 JSON file available at https://github.com/cloudsecurityalliance/gsd-database/blob/main/2021/1000xxx/GSD-2021-1000522.json
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