CVE-2021-0174 : Exploit Details and Defense Strategies

This article provides an in-depth look at CVE-2021-0174, detailing the vulnerability, its impact, technical aspects, and mitigation strategies.

Understanding CVE-2021-0174

CVE-2021-0174 involves the improper use of the validation framework in the firmware of some Intel(R) PROSet/Wireless Wi-Fi in multiple operating systems and some Killer(TM) Wi-Fi in Windows 10 and 11. This vulnerability may allow an unauthenticated user to potentially enable denial of service through adjacent access.

What is CVE-2021-0174?

The CVE-2021-0174 vulnerability arises from the improper validation framework implementation in specific Intel(R) PROSet/Wireless Wi-Fi and Killer(TM) Wi-Fi devices across Windows 10 and 11. It can be exploited by an unauthorized user to trigger a denial of service condition.

The Impact of CVE-2021-0174

Exploiting CVE-2021-0174 can lead to a denial of service scenario on affected devices, potentially disrupting network connectivity and services. An attacker could leverage this vulnerability to disrupt Wi-Fi operations, impacting user experience and overall system reliability.

Technical Details of CVE-2021-0174

This section delves into the technical aspects of CVE-2021-0174, including the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability stems from the flawed validation framework in the firmware of Intel(R) PROSet/Wireless and Killer(TM) Wi-Fi devices. By exploiting this weakness, an unauthenticated attacker could induce a denial of service state by leveraging adjacent access to the Wi-Fi network.

Affected Systems and Versions

CVE-2021-0174 impacts some Intel(R) PROSet/Wireless Wi-Fi across multiple operating systems and some Killer(TM) Wi-Fi in Windows 10 and 11. The specific affected versions are detailed in the provided references.

Exploitation Mechanism

To exploit CVE-2021-0174, an unauthorized user with adjacent access to the targeted Wi-Fi network could abuse the vulnerability in the validation framework, triggering a denial of service condition and causing disruption to wireless services.

Mitigation and Prevention

In this section, we explore the steps to mitigate the risks posed by CVE-2021-0174, ensuring immediate actions are taken and long-term security measures are implemented.

Immediate Steps to Take

Users and administrators are advised to apply security updates and patches provided by the vendor promptly upon release. Additionally, implementing network security best practices and access controls can help reduce the risk of exploitation.

Long-Term Security Practices

Maintaining an updated software environment, conducting regular security audits, and staying informed about emerging vulnerabilities are essential for safeguarding against potential threats. Network segmentation and monitoring can also enhance overall security posture.

Patching and Updates

Vendor-supplied patches addressing CVE-2021-0174 should be applied as soon as possible to safeguard affected systems. Regularly checking for firmware updates and security advisories from Intel(R) and staying proactive in addressing vulnerabilities are crucial for maintaining a secure Wi-Fi environment.