CVE-2019-5928 : Security Advisory and Response

Cybozu Garoon versions 4.0.0 to 4.6.3 are affected by a cross-site scripting vulnerability that allows remote attackers to inject arbitrary web script or HTML.

Understanding CVE-2019-5928

This CVE involves a security issue in Cybozu Garoon versions 4.0.0 to 4.6.3 that can be exploited by attackers.

What is CVE-2019-5928?

Cybozu Garoon versions 4.0.0 to 4.6.3 are susceptible to a cross-site scripting vulnerability, enabling attackers to insert malicious web scripts or HTML code via the Customize Item feature.

The Impact of CVE-2019-5928

This vulnerability allows remote attackers to execute arbitrary scripts within the context of the user's browser, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2019-5928

Cybozu Garoon's vulnerability is further detailed below:

Vulnerability Description

Type: Cross-site scripting
Description: Allows injection of malicious web scripts or HTML

Affected Systems and Versions

Product: Cybozu Garoon
Vendor: Cybozu, Inc.
Versions Affected: 4.0.0 to 4.6.3

Exploitation Mechanism

The vulnerability can be exploited by remote attackers injecting malicious scripts or HTML code through the Customize Item function.

Mitigation and Prevention

To address CVE-2019-5928, follow these steps:

Immediate Steps to Take

Update Cybozu Garoon to a patched version.
Implement input validation mechanisms to prevent script injection.
Educate users on safe browsing practices.

Long-Term Security Practices

Regularly monitor and audit web application code for vulnerabilities.
Employ web application firewalls to filter and block malicious traffic.

Patching and Updates

Apply security patches provided by Cybozu, Inc. promptly.