CVE-2021-0198 : Security Advisory and Response

A detailed overview of CVE-2021-0198, which involves improper access control in the firmware of Intel(R) Ethernet Network Controller E810 before version 1.5.5.6, potentially leading to a denial of service via local access.

Understanding CVE-2021-0198

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-0198.

What is CVE-2021-0198?

The vulnerability involves improper access control in the firmware of Intel(R) Ethernet Network Controller E810 before version 1.5.5.6, allowing a privileged user to potentially enable a denial of service through local access.

The Impact of CVE-2021-0198

The vulnerability could be exploited by a privileged user to trigger a denial of service attack locally. This could disrupt the normal functioning of the affected system, leading to downtime and potential data loss.

Technical Details of CVE-2021-0198

This section delves into the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability arises from improper access control in the firmware of Intel(R) Ethernet Network Controller E810 before version 1.5.5.6, potentially granting unauthorized privileges to a user.

Affected Systems and Versions

The vulnerability affects Intel(R) Ethernet Network Controller E810 devices running versions before 1.5.5.6.

Exploitation Mechanism

A privileged user could exploit this vulnerability via local access, potentially leading to a denial of service by manipulating the firmware.

Mitigation and Prevention

Explore the immediate steps to take and long-term security practices to safeguard systems from CVE-2021-0198.

Immediate Steps to Take

It is recommended to apply security patches provided by Intel promptly to mitigate the vulnerability and prevent unauthorized access to the firmware.

Long-Term Security Practices

Implementing strong access controls, regular security audits, and employee training on cybersecurity best practices can enhance the overall security posture.

Patching and Updates

Regularly monitor for security updates from Intel and apply patches promptly to address known vulnerabilities and protect systems from potential exploits.