CVE-2019-5933 : Security Advisory and Response

Cybozu Garoon versions 4.0.0 to 4.10.0 are vulnerable to a security issue that allows remote authenticated attackers to bypass access restrictions.

Understanding CVE-2019-5933

This CVE involves a vulnerability in Cybozu Garoon versions 4.0.0 to 4.10.0 that enables attackers to gain unauthorized access to the Bulletin Board application.

What is CVE-2019-5933?

The vulnerability in Cybozu Garoon versions 4.0.0 to 4.10.0 allows remote authenticated attackers to bypass access restrictions and view the Bulletin Board without the necessary privileges.

The Impact of CVE-2019-5933

Attackers can exploit this vulnerability to access sensitive information on the Bulletin Board.
This could lead to unauthorized viewing of confidential data and potential data breaches.

Technical Details of CVE-2019-5933

Cybozu Garoon versions 4.0.0 to 4.10.0 are affected by this security issue.

Vulnerability Description

Remote authenticated attackers can bypass access restrictions to view the Bulletin Board.
The vulnerability lies in the 'Bulletin' application.

Affected Systems and Versions

Product: Cybozu Garoon
Vendor: Cybozu, Inc.
Versions Affected: 4.0.0 to 4.10.0

Exploitation Mechanism

Attackers exploit the vulnerability to gain unauthorized access to the Bulletin Board.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.

Immediate Steps to Take

Update Cybozu Garoon to a patched version that addresses the vulnerability.
Monitor access to the Bulletin Board for any suspicious activity.

Long-Term Security Practices

Regularly review and update access control policies within the organization.
Conduct security training for users to raise awareness about access restrictions and data protection.

Patching and Updates

Apply security patches provided by Cybozu, Inc. to fix the vulnerability in affected versions.