CVE-2023-41096 Explained : Impact and Mitigation

A Missing Encryption of Security Keys vulnerability in Silicon Labs Ember ZNet SDK can potentially lead to the modification or extraction of network credentials stored in flash. Here's a detailed overview of the CVE-2023-41096.

Understanding CVE-2023-41096

This section delves into what CVE-2023-41096 is all about.

What is CVE-2023-41096?

The CVE-2023-41096 involves a vulnerability in Silicon Labs Ember ZNet SDK that allows the potential modification or extraction of network credentials stored in flash. Specifically affecting versions 7.3.1 and earlier of the SDK.

The Impact of CVE-2023-41096

The impact of this vulnerability is categorized under CAPEC-458 Flash Memory Attacks, highlighting the risks associated with attacks targeting flash memory areas.

Technical Details of CVE-2023-41096

In this section, we explore the technical aspects of CVE-2023-41096.

Vulnerability Description

The vulnerability stems from the missing encryption of security keys in SecureVault High modules, leaving network credentials vulnerable to unauthorized access.

Affected Systems and Versions

The vulnerability affects Silicon Labs Ember ZNet SDK versions up to 7.3.1, specifically on 32-bit ARM platforms utilizing the SecureVault High modules.

Exploitation Mechanism

By exploiting this vulnerability, threat actors could potentially modify or extract sensitive network credentials stored in flash memory, posing a significant risk to the overall security of affected systems.

Mitigation and Prevention

This section details the necessary steps to mitigate and prevent the exploitation of CVE-2023-41096.

Immediate Steps to Take

Organizations using Silicon Labs Ember ZNet SDK versions prior to 7.3.1 should take immediate action to address this vulnerability. It is essential to apply patches and updates provided by Silicon Labs promptly.

Long-Term Security Practices

To enhance the security posture of affected systems, it is crucial to implement robust encryption mechanisms for sensitive data storage and regularly update security protocols to safeguard against similar vulnerabilities in the future.

Patching and Updates

Stay informed about security advisories from Silicon Labs and promptly apply patches or updates to ensure that your systems are protected against the CVE-2023-41096 vulnerability.