CVE-2023-28376 Explained : Impact and Mitigation

This is a detailed overview of CVE-2023-28376, focusing on the Out-of-bounds read vulnerability in Intel(R) E810 Ethernet Controllers and Adapters before version 1.7.1, potentially leading to denial of service.

Understanding CVE-2023-28376

CVE-2023-28376 is a published vulnerability identified in Intel(R) E810 Ethernet Controllers and Adapters, affecting versions before 1.7.1. The vulnerability involves an Out-of-bounds read in the firmware that could be exploited by an unauthenticated user, enabling denial of service through adjacent access.

What is CVE-2023-28376?

The CVE-2023-28376 vulnerability in Intel(R) E810 Ethernet Controllers and Adapters refers to an Out-of-bounds read flaw in the firmware. This flaw could be leveraged by an attacker without authentication to potentially cause denial of service by utilizing adjacent access.

The Impact of CVE-2023-28376

The impact of CVE-2023-28376 could be significant. An unauthenticated attacker exploiting this vulnerability could disrupt the availability of the affected Intel(R) E810 Ethernet Controllers and Adapters, leading to potential denial of service incidents.

Technical Details of CVE-2023-28376

Understanding the technical aspects of CVE-2023-28376 is crucial for addressing and mitigating this vulnerability effectively.

Vulnerability Description

The vulnerability involves an Out-of-bounds read in the firmware of Intel(R) E810 Ethernet Controllers and Adapters before version 1.7.1. It may allow an unauthenticated user to potentially enable denial of service by exploiting adjacent access.

Affected Systems and Versions

The affected product in this CVE is the Intel(R) E810 Ethernet Controllers and Adapters with versions before 1.7.1. Systems running on these versions are vulnerable to the Out-of-bounds read issue.

Exploitation Mechanism

Exploiting this vulnerability requires no privileges. An attacker can trigger denial of service by leveraging the Out-of-bounds read flaw in the firmware of the affected Intel(R) E810 Ethernet Controllers and Adapters.

Mitigation and Prevention

Taking immediate actions and implementing long-term security practices are essential to mitigate the risks associated with CVE-2023-28376.

Immediate Steps to Take

Organizations should update the firmware of Intel(R) E810 Ethernet Controllers and Adapters to version 1.7.1 or above to address the Out-of-bounds read vulnerability.
Monitoring network traffic for any suspicious activities that may indicate exploitation of the vulnerability.

Long-Term Security Practices

Regular security assessments and audits to identify and remediate vulnerabilities in network devices.
Implementing access controls and authentication measures to prevent unauthorized access to network resources.

Patching and Updates

Timely applying security patches provided by Intel to address known vulnerabilities in the firmware of the affected Intel(R) E810 Ethernet Controllers and Adapters.
Keeping the network infrastructure up to date with the latest security updates and following best practices for network security maintenance.