CVE-2023-32100 : What You Need to Know

This CVE-2023-32100 article provides detailed insights into a security vulnerability impacting Silicon Labs Gecko Platform SDK versions 4.2.1 and earlier, leading to key material duplication in RAM during the execution of sli_se_driver_mac_compute function.

Understanding CVE-2023-32100

CVE-2023-32100 highlights a vulnerability in the Silicon Labs Gecko Platform SDK that allows for key material duplication to RAM due to the removal of buffer clearing in the sli_se_driver_mac_compute function.

What is CVE-2023-32100?

The vulnerability arises from the compiler's removal of buffer clearing in the sli_se_driver_mac_compute function in Silicon Labs Gecko Platform SDK versions 4.2.1 and earlier. This results in key material being duplicated to RAM, potentially exposing sensitive information.

The Impact of CVE-2023-32100

The impact of CVE-2023-32100 is characterized by high confidentiality impact and medium base severity. Attackers can exploit this vulnerability with low privileges required and a high attack complexity, leading to the duplication of key material in the affected systems.

Technical Details of CVE-2023-32100

This section delves into the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

Compiler removal of buffer clearing in the sli_se_driver_mac_compute function in Silicon Labs Gecko Platform SDK v4.2.1 and earlier results in key material duplication to RAM, posing a risk to the confidentiality of sensitive information.

Affected Systems and Versions

The Silicon Labs Gecko Platform SDK versions 4.2.1 and earlier are affected by this vulnerability, potentially exposing systems leveraging these versions to key material duplication threats.

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging a network-based attack vector with a high attack complexity, requiring low privileges to duplicate key material in RAM without user interaction.

Mitigation and Prevention

Learn about the immediate steps to take and long-term security practices to safeguard systems from CVE-2023-32100.

Immediate Steps to Take

It is crucial for users of Silicon Labs Gecko Platform SDK v4.2.1 and earlier to apply the necessary patches provided by Silicon Labs to address the key duplication vulnerability. Additionally, users should review and update their security configurations to enhance protection against such threats.

Long-Term Security Practices

In the long term, organizations should prioritize routine security assessments, code reviews, and adherence to secure coding practices to mitigate vulnerabilities like key material duplication in RAM. Continuous monitoring and updating of systems are essential to maintain a secure environment.

Patching and Updates

Stay informed about the latest security updates and patches released by Silicon Labs for the Gecko Platform SDK to mitigate the risk of key material duplication and enhance the security posture of affected systems.