CVE-2020-10065 : What You Need to Know

This CVE involves Missing Size Checks in Bluetooth HCI over SPI in Zephyr versions v1.14.2 and v2.2.0, leading to Improper Handling of Length Parameter Inconsistency (CWE-130).

Understanding CVE-2020-10065

This CVE highlights a vulnerability in Zephyr affecting Bluetooth HCI over SPI.

What is CVE-2020-10065?

The CVE-2020-10065 vulnerability involves Missing Size Checks in Bluetooth HCI over SPI in Zephyr versions v1.14.2 and v2.2.0, resulting in Improper Handling of Length Parameter Inconsistency (CWE-130).

The Impact of CVE-2020-10065

The impact of this vulnerability is rated as LOW severity with a CVSS base score of 3.8. It requires physical access and user interaction, affecting confidentiality, integrity, and availability.

Technical Details of CVE-2020-10065

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability arises from Missing Size Checks in Bluetooth HCI over SPI, leading to Improper Handling of Length Parameter Inconsistency (CWE-130).

Affected Systems and Versions

Product: Zephyr
Vendor: Zephyrproject-rtos
Versions: v1.14.2, v2.2.0

Exploitation Mechanism

The vulnerability can be exploited by an attacker with physical access to the affected system and user interaction.

Mitigation and Prevention

Protecting systems from CVE-2020-10065 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Zephyr to a patched version that addresses the vulnerability.
Monitor and restrict physical access to vulnerable systems.

Long-Term Security Practices

Implement secure coding practices to prevent similar vulnerabilities.
Regularly update and patch software to mitigate potential risks.

Patching and Updates

Ensure timely installation of security patches and updates to safeguard systems against known vulnerabilities.