CVE-2021-26257 : Vulnerability Insights and Analysis

Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products before version 22.120 are affected by an improper buffer restrictions vulnerability that may enable a denial of service attack via local access.

Understanding CVE-2021-26257

This CVE details a vulnerability in the firmware of specific Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products.

What is CVE-2021-26257?

The CVE-2021-26257 vulnerability pertains to improper buffer restrictions in the firmware of Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products before version 22.120. This flaw could allow an authenticated user to trigger a denial of service attack through local access.

The Impact of CVE-2021-26257

The impact of CVE-2021-26257 is significant as it exposes affected systems to potential denial of service attacks. An attacker with local access could exploit this vulnerability to disrupt the normal functioning of the Bluetooth products.

Technical Details of CVE-2021-26257

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

Vulnerability Description

The vulnerability arises from improper buffer restrictions in the firmware of Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products pre-version 22.120.

Affected Systems and Versions

Any Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products before version 22.120 are affected by this vulnerability.

Exploitation Mechanism

An authenticated user can potentially trigger a denial of service attack by exploiting the improper buffer restrictions locally.

Mitigation and Prevention

In this section, we discuss the immediate steps to take, long-term security practices, and the importance of patching and updates.

Immediate Steps to Take

To mitigate the risk posed by CVE-2021-26257, users should ensure they have updated to version 22.120 of the Intel(R) Wireless Bluetooth(R) and Killer(TM) Bluetooth(R) products. It is also recommended to monitor for any unusual activities that may indicate a denial of service attack.

Long-Term Security Practices

For long-term security, it is crucial to regularly update firmware and software, maintain strong access controls, and conduct security assessments to detect vulnerabilities.

Patching and Updates

Patching to the latest version that includes a fix for the vulnerability is essential. Users should stay informed about security advisories from Intel and apply patches promptly to ensure protection against potential attacks.