CVE-2020-24588 : Security Advisory and Response

CVE-2020-24588 is a vulnerability in the 802.11 standard affecting Wi-Fi Protected Access (WPA, WPA2, WPA3) and Wired Equivalent Privacy (WEP) protocols. Attackers can inject arbitrary network packets due to a lack of authentication for the A-MSDU flag in the plaintext QoS header field.

Understanding CVE-2020-24588

This CVE highlights a security flaw in the 802.11 standard that can be exploited to inject malicious network packets.

What is CVE-2020-24588?

The vulnerability allows adversaries to abuse the lack of authentication for the A-MSDU flag in the plaintext QoS header field, enabling the injection of arbitrary network packets.

The Impact of CVE-2020-24588

This vulnerability poses a significant risk as attackers can manipulate network traffic, potentially leading to unauthorized access, data theft, or network disruption.

Technical Details of CVE-2020-24588

The technical aspects of this CVE are as follows:

Vulnerability Description

Lack of authentication for the A-MSDU flag in the plaintext QoS header field

Affected Systems and Versions

Vendor: n/a
Product: n/a
Affected Versions: All versions

Exploitation Mechanism

Adversaries target devices that support receiving non-SSP A-MSDU frames to inject arbitrary network packets

Mitigation and Prevention

To address CVE-2020-24588, consider the following steps:

Immediate Steps to Take

Disable non-SSP A-MSDU frame support on affected devices
Implement network segmentation to limit the impact of potential attacks

Long-Term Security Practices

Regularly update firmware and software to patch known vulnerabilities
Conduct security assessments and penetration testing to identify and address weaknesses

Patching and Updates

Stay informed about security advisories from relevant vendors
Apply patches and updates promptly to mitigate the risk of exploitation