CVE-2023-4326 Explained : Impact and Mitigation

This CVE concerns a vulnerability in the Broadcom RAID Controller web interface due to an insecure default TLS configuration that supports obsolete SHA1-based ciphersuites.

Understanding CVE-2023-4326

This section will provide insights into the nature of CVE-2023-4326.

What is CVE-2023-4326?

CVE-2023-4326 highlights a security issue in the Broadcom RAID Controller web interface that stems from its insecure default TLS configuration supporting outdated SHA1-based ciphersuites.

The Impact of CVE-2023-4326

The vulnerability could be exploited by threat actors to compromise the security of systems utilizing the affected Broadcom RAID Controller web interface. Attackers could potentially intercept communications or launch attacks leveraging the insecure TLS configuration.

Technical Details of CVE-2023-4326

In this section, we delve into the technical aspects of CVE-2023-4326.

Vulnerability Description

The vulnerability in the Broadcom RAID Controller web interface arises from its use of an insecure default TLS configuration that enables support for obsolete SHA1-based ciphersuites, making it susceptible to exploitation.

Affected Systems and Versions

The following system and version are impacted by CVE-2023-4326:

Product: LSI Storage Authority (LSA)
Vendor: Broadcom
Affected Version: Less than 7.017.011.000

Exploitation Mechanism

Threat actors can potentially exploit this vulnerability by leveraging the insecure default TLS configuration supporting outdated SHA1-based ciphersuites in the Broadcom RAID Controller web interface. This could lead to unauthorized access or interception of data.

Mitigation and Prevention

This section outlines the necessary steps to mitigate and prevent exploitation of CVE-2023-4326.

Immediate Steps to Take

Organizations using the affected LSI Storage Authority (LSA) version should update to version 7.017.011.000 to address the vulnerability promptly.
It is recommended to disable outdated SHA1-based ciphersuites and enforce secure TLS configurations to enhance system security.

Long-Term Security Practices

Regularly monitor and update TLS configurations to ensure they adhere to current security standards and best practices.
Conduct regular security assessments and vulnerability scans to identify and address potential security gaps proactively.

Patching and Updates

Broadcom has released version 7.017.011.000, which fixes the vulnerability. Organizations are advised to apply this update to secure their systems against potential exploitation. Contact Broadcom representatives for further information on the update process.