CVE-2023-24464 : Exploit Details and Defense Strategies

This CVE record was published on April 11, 2023, by JPCERT. It involves a stored-cross-site scripting vulnerability in Buffalo network devices that can allow an attacker to execute arbitrary JavaScript on a legitimate user's web browser through the web management console of the product.

Understanding CVE-2023-24464

This section will provide an overview of CVE-2023-24464, detailing the vulnerability, its impact, technical aspects, and mitigation strategies.

What is CVE-2023-24464?

CVE-2023-24464 is a stored-cross-site scripting vulnerability found in Buffalo network devices. This vulnerability enables an attacker, who has access to the web management console of the product, to execute malicious JavaScript on a legitimate user's web browser.

The Impact of CVE-2023-24464

The impact of this vulnerability is significant as it allows attackers to inject and execute arbitrary JavaScript code on a user's browser, potentially leading to unauthorized access, data theft, or other nefarious activities.

Technical Details of CVE-2023-24464

In this section, we will delve into the technical specifics of CVE-2023-24464, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The stored-cross-site scripting vulnerability in Buffalo network devices allows attackers to inject malicious JavaScript code through the product's web management console.

Affected Systems and Versions

The affected products and versions include the BS-GS series with firmware versions Ver. 1.0.10.01 and earlier. Specifically, models such as BS-GS2008, BS-GS2016, BS-GS2024, BS-GS2048, BS-GS2008P, BS-GS2016P, and BS-GS2024P are vulnerable to this issue.

Exploitation Mechanism

Attackers with access to the web management console of the affected Buffalo network devices can exploit this vulnerability by injecting and executing malicious JavaScript code on a user's web browser.

Mitigation and Prevention

This section outlines the steps that users and administrators can take to mitigate the risks associated with CVE-2023-24464 and prevent potential exploitation.

Immediate Steps to Take

Users are advised to restrict access to the web management console of the affected Buffalo network devices, implement network segmentation, and apply the latest security updates provided by the vendor.

Long-Term Security Practices

To enhance overall security posture, users should regularly monitor network traffic for suspicious activities, conduct security assessments, and educate users about safe browsing practices.

Patching and Updates

Buffalo INC. has released security patches to address the stored-cross-site scripting vulnerability in the affected products. It is crucial for users to promptly apply these updates to safeguard their systems from potential exploits.