CVE-2023-25776 Explained : Impact and Mitigation

This CVE-2023-25776 focuses on an information disclosure vulnerability due to improper input validation in the Intel(R) Server Board BMC firmware before version 2.90. The vulnerability could potentially allow a privileged user to access sensitive information through local access.

Understanding CVE-2023-25776

This section will provide a detailed insight into the nature of the CVE-2023-25776 vulnerability and its impact on affected systems.

What is CVE-2023-25776?

The CVE-2023-25776 vulnerability is related to improper input validation in the Intel(R) Server Board BMC firmware. Specifically, versions of the firmware prior to 2.90 are affected. This flaw may be exploited by a privileged user to disclose sensitive information through local access.

The Impact of CVE-2023-25776

The impact of CVE-2023-25776 is considered medium with a base score of 6.3 according to the CVSS version 3.1 assessment. The vulnerability has the potential to compromise the confidentiality of data, with high impact on availability and moderate impact on integrity.

Technical Details of CVE-2023-25776

Under this section, we will explore the vulnerability description, affected systems, versions, and the exploitation mechanism associated with CVE-2023-25776.

Vulnerability Description

The vulnerability arises from improper input validation in the Intel(R) Server Board BMC firmware. Attackers with high privileges can exploit this flaw to disclose sensitive information locally.

Affected Systems and Versions

The affected product is the Intel(R) Server Board BMC firmware before version 2.90. Any system running a firmware version prior to 2.90 is susceptible to this vulnerability.

Exploitation Mechanism

The exploitation of CVE-2023-25776 involves utilizing the improper input validation in the Intel(R) Server Board BMC firmware to gain unauthorized access to sensitive information through local privileges.

Mitigation and Prevention

In this section, we will discuss the steps that can be taken to mitigate the risks associated with CVE-2023-25776 and prevent potential exploitation.

Immediate Steps to Take

Update the Intel(R) Server Board BMC firmware to version 2.90 or later to mitigate the vulnerability.
Monitor and restrict access to privileged users to minimize the risk of unauthorized information disclosure.

Long-Term Security Practices

Implement robust security measures, such as regular security audits, access controls, and security training for personnel handling sensitive information.

Patching and Updates

Stay informed about security advisories from Intel and promptly apply patches and firmware updates to address known vulnerabilities like CVE-2023-25776. Regularly review and update security measures to maintain a secure environment.