CVE-2023-41095 : What You Need to Know
Learn about CVE-2023-41095, a vulnerability in Silicon Labs OpenThread SDK that could allow modification or extraction of network credentials stored in flash. Mitigation steps included.
A vulnerability has been identified in Silicon Labs OpenThread SDK that could allow potential modification or extraction of network credentials stored in flash. This article provides an overview of CVE-2023-41095, its impact, technical details, and mitigation steps.
Understanding CVE-2023-41095
This section delves into the details of the vulnerability affecting Silicon Labs OpenThread SDK.
What is CVE-2023-41095?
The vulnerability, known as Missing Encryption of Security Keys, impacts Silicon Labs OpenThread SDK on 32-bit ARM platforms, specifically SecureVault High modules. It allows potential modification or extraction of network credentials stored in flash. The affected version is 2.3.1 and earlier.
The Impact of CVE-2023-41095
The vulnerability poses a medium severity risk with a CVSS base score of 6.8. It has a high impact on confidentiality, integrity, and availability as it could lead to the exposure of sensitive network credentials.
Technical Details of CVE-2023-41095
This section provides a deeper dive into the technical aspects of the vulnerability.
Vulnerability Description
The vulnerability arises from Missing Encryption of Security Keys in Silicon Labs OpenThread SDK. This flaw could be exploited to modify or extract network credentials stored in flash, potentially compromising network security.
Affected Systems and Versions
Silicon Labs OpenThread SDK versions prior to 2.3.1, specifically running on SecureVault High modules on 32-bit ARM platforms, are vulnerable to this issue.
Exploitation Mechanism
The vulnerability allows attackers to gain unauthorized access to network credentials stored in flash memory, leading to potential misuse or unauthorized network access.
Mitigation and Prevention
This section discusses the steps to mitigate the impact of CVE-2023-41095 and prevent exploitation.
Immediate Steps to Take
Users are advised to update to the latest version of Silicon Labs OpenThread SDK (2.3.2) where the vulnerability has been addressed. Additionally, implement strong encryption practices and regularly review and update security configurations to minimize the risk of unauthorized access.
Long-Term Security Practices
In the long term, organizations should prioritize securing sensitive data by implementing robust encryption mechanisms, conducting regular security audits, and staying informed about the latest security threats and patches.
Patching and Updates
Regularly monitor security advisories from Silicon Labs and apply patches promptly to secure systems and prevent potential exploitation of vulnerabilities.