CVE-2022-38788 : Security Advisory and Response

A security vulnerability has been identified in Nokia FastMile 5G Receiver 5G14-B 1.2104.00.0281, where the Bluetooth on the Nokia ODU employs outdated pairing methods. This flaw could enable an adversary to eavesdrop on a pairing handshake and subsequently, through offline means, acquire the PIN and LTK (long-term key).

Understanding CVE-2022-38788

This section delves into the specifics of the CVE-2022-38788 vulnerability.

What is CVE-2022-38788?

The CVE-2022-38788 vulnerability resides in the Bluetooth functionality of the Nokia FastMile 5G Receiver 5G14-B 1.2104.00.0281. Attackers can exploit this flaw to intercept the pairing process and recover sensitive information like the PIN and LTK.

The Impact of CVE-2022-38788

The impact of this vulnerability is significant as it compromises the security of the Bluetooth communication on the Nokia ODU. Successful exploitation could lead to unauthorized access and potential data breaches.

Technical Details of CVE-2022-38788

This section provides technical insights into the CVE-2022-38788 vulnerability.

Vulnerability Description

The issue stems from the utilization of outdated pairing mechanisms in the Bluetooth implementation of the Nokia FastMile 5G Receiver, facilitating a passive interception of the pairing handshake by threat actors.

Affected Systems and Versions

The affected system is the Nokia FastMile 5G Receiver 5G14-B 1.2104.00.0281. All versions of this product are susceptible to the CVE-2022-38788 vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by intercepting the Bluetooth pairing handshake and subsequently performing offline cracking to obtain the PIN and LTK.

Mitigation and Prevention

To safeguard your systems from CVE-2022-38788, it is crucial to implement appropriate mitigation strategies and security measures.

Immediate Steps to Take

Immediately address this vulnerability by applying any available patches or security updates provided by Nokia. Additionally, consider disabling Bluetooth functionality if not essential.

Long-Term Security Practices

Enhance the overall security posture of your devices by regularly updating firmware, following best practices for Bluetooth security, and staying informed about potential vulnerabilities.

Patching and Updates

Stay informed about security advisories from Nokia and promptly apply patches or updates to mitigate the risk posed by CVE-2022-38788.