CVE-2020-26143 : Security Advisory and Response

An issue was discovered in the ALFA Windows 10 driver 1030.36.604 for AWUS036ACH. The WEP, WPA, WPA2, and WPA3 implementations accept fragmented plaintext frames in a protected Wi-Fi network, allowing an adversary to inject arbitrary data frames.

Understanding CVE-2020-26143

This CVE identifies a vulnerability in the ALFA Windows 10 driver that could be exploited by an attacker to inject arbitrary data frames into a protected Wi-Fi network.

What is CVE-2020-26143?

The vulnerability in the ALFA Windows 10 driver allows for the acceptance of fragmented plaintext frames in protected Wi-Fi networks, enabling unauthorized injection of data frames.

The Impact of CVE-2020-26143

The vulnerability poses a significant security risk as it allows attackers to inject arbitrary data frames into a protected Wi-Fi network, potentially compromising network integrity and confidentiality.

Technical Details of CVE-2020-26143

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The ALFA Windows 10 driver 1030.36.604 for AWUS036ACH is susceptible to accepting fragmented plaintext frames, which can be exploited by an adversary to inject unauthorized data frames.

Affected Systems and Versions

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Vendor: n/a
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Exploitation Mechanism

The vulnerability allows attackers to inject arbitrary data frames into a protected Wi-Fi network by exploiting the acceptance of fragmented plaintext frames.

Mitigation and Prevention

Protect your systems and networks from CVE-2020-26143 with the following steps:

Immediate Steps to Take

Disable WEP, WPA, WPA2, and WPA3 implementations that accept fragmented plaintext frames.
Monitor network traffic for any suspicious activities.

Long-Term Security Practices

Regularly update drivers and firmware to patch known vulnerabilities.
Implement strong encryption protocols and access controls to secure Wi-Fi networks.
Conduct regular security audits and penetration testing to identify and address potential vulnerabilities.
Stay informed about security advisories and updates from relevant vendors.

Patching and Updates

Apply patches and updates provided by ALFA for the Windows 10 driver to address the vulnerability.