CVE-2020-26557 : Vulnerability Insights and Analysis

Bluetooth Mesh profile 1.0 and 1.0.1 may allow a nearby device to determine AuthValue via a brute-force attack.

Understanding CVE-2020-26557

This CVE involves a vulnerability in the Bluetooth Mesh profile that could potentially compromise security.

What is CVE-2020-26557?

The vulnerability in the Bluetooth Mesh profile 1.0 and 1.0.1 could enable a nearby device to discover the AuthValue through a brute-force attack, without possessing the necessary AuthValue used in the provisioning protocol.

The Impact of CVE-2020-26557

The vulnerability poses a risk of unauthorized access to sensitive information exchanged during the provisioning process, potentially leading to security breaches and data compromise.

Technical Details of CVE-2020-26557

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability allows a nearby device to determine the AuthValue through a brute-force attack, compromising the security of the provisioning process.

Affected Systems and Versions

Product: N/A
Vendor: N/A
Versions: 1.0 and 1.0.1

Exploitation Mechanism

The vulnerability can be exploited by a nearby device conducting a brute-force attack to reveal the AuthValue, undermining the security of the provisioning protocol.

Mitigation and Prevention

Protecting systems from CVE-2020-26557 is crucial to maintaining security.

Immediate Steps to Take

Ensure AuthValue is sufficiently random and changed regularly to prevent brute-force attacks.
Implement additional security measures to detect and prevent unauthorized access.

Long-Term Security Practices

Regularly update firmware and software to patch known vulnerabilities.
Conduct security audits and assessments to identify and address potential weaknesses.

Patching and Updates

Stay informed about security advisories and updates related to Bluetooth Mesh technology.
Apply patches and updates promptly to mitigate the risk of exploitation.