CVE-2023-4339 : Exploit Details and Defense Strategies

This CVE record pertains to a vulnerability in the Broadcom RAID Controller web interface that exposes private keys used for CIM due to insecure file permissions.

Understanding CVE-2023-4339

This section will delve into the details surrounding CVE-2023-4339, discussing the vulnerability, its impact, technical aspects, and mitigation strategies.

What is CVE-2023-4339?

CVE-2023-4339 highlights a security flaw in the Broadcom RAID Controller web interface, leading to the exposure of private keys utilized for CIM due to insecure file permissions. This vulnerability poses a risk to the confidentiality and integrity of sensitive information.

The Impact of CVE-2023-4339

The vulnerability in the Broadcom RAID Controller web interface can result in unauthorized access to private keys, potentially leading to the compromise of critical data and assets. This exposure could facilitate malicious activities by threat actors targeting affected systems.

Technical Details of CVE-2023-4339

This section will explore the technical aspects of CVE-2023-4339, including a description of the vulnerability, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in the Broadcom RAID Controller web interface allows for the exposure of private keys used for CIM due to insecure file permissions. This can enable unauthorized parties to access sensitive cryptographic material, undermining the security of the system.

Affected Systems and Versions

The impacted product is LSI Storage Authority (LSA) by Broadcom, with versions less than 7.017.011.000 being affected. Additionally, RAID Web Console 3 (RWC3) by Intel is affected if the version is less than 7.017.011.000.

Exploitation Mechanism

Attackers can potentially exploit this vulnerability by leveraging the insecure file permissions within the Broadcom RAID Controller web interface to gain access to private keys utilized for CIM. This access could be utilized maliciously to compromise the confidentiality and integrity of data.

Mitigation and Prevention

In this section, we will discuss the steps that can be taken to mitigate the risks associated with CVE-2023-4339 and prevent exploitation of the vulnerability.

Immediate Steps to Take

Organizations should update the affected Broadcom products to version 7.017.011.000 or newer to address the vulnerability.
It is recommended to review and adjust file permissions to ensure the protection of sensitive cryptographic material.

Long-Term Security Practices

Implementing secure file management practices, conducting regular security audits, and providing cybersecurity awareness training to personnel can help enhance overall security posture and prevent similar vulnerabilities in the future.

Patching and Updates

Broadcom has released version 7.017.011.000 to fix the vulnerability in the Broadcom RAID Controller web interface. Organizations are advised to apply the necessary updates promptly to safeguard their systems from potential exploitation.