CVE-2022-28709 : Exploit Details and Defense Strategies

Intel(R) E810 Ethernet Controllers before version 1.6.1.9 are vulnerable to improper access control in the firmware, potentially enabling a denial of service attack through local access.

Understanding CVE-2022-28709

This CVE affects some Intel(R) E810 Ethernet Controllers due to a lack of proper access control in the firmware.

What is CVE-2022-28709?

The vulnerability in some Intel(R) E810 Ethernet Controllers allows a privileged user to trigger a denial of service attack locally.

The Impact of CVE-2022-28709

An attacker exploiting this vulnerability can potentially disrupt services or networks, causing a denial of service condition.

Technical Details of CVE-2022-28709

Here are the technical aspects of CVE-2022-28709:

Vulnerability Description

The vulnerability lies in the firmware of Intel(R) E810 Ethernet Controllers, where a privileged user can potentially trigger a denial of service attack through local access.

Affected Systems and Versions

Product: Intel(R) E810 Ethernet Controllers
Versions Affected: Before version 1.6.1.9

Exploitation Mechanism

The vulnerability can be exploited by a privileged user with local access to the affected Intel(R) E810 Ethernet Controllers to potentially disrupt services and networks.

Mitigation and Prevention

To address CVE-2022-28709, consider the following mitigation strategies:

Immediate Steps to Take

Update the firmware of Intel(R) E810 Ethernet Controllers to version 1.6.1.9 or later.
Restrict privileged access to the systems hosting these controllers.

Long-Term Security Practices

Regularly monitor and apply security patches provided by Intel.
Implement network segmentation and access control policies to limit exposure to potential attackers.

Patching and Updates

Ensure timely installation of firmware updates and security patches to prevent exploitation of known vulnerabilities.