CVE-2022-36382 : Vulnerability Insights and Analysis

This article provides details about CVE-2022-36382, a vulnerability in Intel(R) Ethernet Network Controllers and Adapters E810 Series and Intel(R) Ethernet 700 Series Controllers and Adapters.

Understanding CVE-2022-36382

CVE-2022-36382 is an out-of-bounds write vulnerability in the firmware of certain Intel(R) Ethernet Network Controllers and Adapters. It may allow a privileged user to trigger a denial of service attack via local access.

What is CVE-2022-36382?

The vulnerability exists in Intel(R) Ethernet Network Controllers and Adapters E810 Series before version 1.7.0.8 and Intel(R) Ethernet 700 Series Controllers and Adapters before version 9.101. A privileged user could exploit this flaw to potentially enable denial of service.

The Impact of CVE-2022-36382

CVE-2022-36382 has a base score of 6.0, categorizing it as a medium severity issue. The vulnerability could be exploited by a high-privileged user to cause an out-of-bounds write, leading to a denial of service attack.

Technical Details of CVE-2022-36382

The following technical details outline the vulnerability further:

Vulnerability Description

The vulnerability involves an out-of-bounds write in the firmware of affected Intel(R) Ethernet Network Controllers and Adapters, allowing a privileged user to potentially execute a denial of service attack.

Affected Systems and Versions

The issue affects Intel(R) Ethernet Network Controllers and Adapters E810 Series before version 1.7.0.8 and Intel(R) Ethernet 700 Series Controllers and Adapters before version 9.101.

Exploitation Mechanism

A privileged user with local access could exploit the vulnerability to trigger a denial of service attack on the affected Intel devices.

Mitigation and Prevention

To address CVE-2022-36382, consider the following mitigation strategies:

Immediate Steps to Take

Apply patches provided by Intel to update the firmware of the affected network controllers and adapters.
Monitor network traffic for any signs of exploitation or unusual behavior.

Long-Term Security Practices

Regularly update firmware and software on network devices to mitigate potential security vulnerabilities.
Implement strict access controls to limit the privileges of users who can interact with critical systems.

Patching and Updates

Keep abreast of security advisories from Intel and promptly apply recommended patches to ensure the security of your network infrastructure.