CVE-2019-6023 : Security Advisory and Response

Cybozu Office 10.0.0 to 10.8.3 allows remote authenticated attackers to bypass access restrictions, potentially leading to unauthorized data access through the 'Address' application.

Understanding CVE-2019-6023

This CVE involves a vulnerability in Cybozu Office versions 10.0.0 to 10.8.3 that enables remote authenticated users to circumvent access controls.

What is CVE-2019-6023?

The vulnerability in Cybozu Office versions 10.0.0 to 10.8.3 allows attackers authenticated remotely to bypass access restrictions, potentially enabling them to access data without proper privileges via the 'Address' application.

The Impact of CVE-2019-6023

The security flaw could result in unauthorized access to sensitive data by attackers with remote authentication, compromising the confidentiality and integrity of information stored in Cybozu Office.

Technical Details of CVE-2019-6023

This section provides more technical insights into the vulnerability.

Vulnerability Description

Users authenticated remotely can exploit the flaw to bypass access restrictions in Cybozu Office versions 10.0.0 to 10.8.3, potentially allowing unauthorized data access through the 'Address' application.

Affected Systems and Versions

Product: Cybozu Office
Vendor: Cybozu, Inc.
Versions Affected: 10.0.0 to 10.8.3

Exploitation Mechanism

The vulnerability enables authenticated remote attackers to bypass access controls, gaining unauthorized access to data via the 'Address' application.

Mitigation and Prevention

Protecting systems from CVE-2019-6023 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply security patches provided by Cybozu, Inc. promptly.
Monitor and restrict access to sensitive data within Cybozu Office.
Educate users on secure authentication practices.

Long-Term Security Practices

Regularly update and patch Cybozu Office to address security vulnerabilities.
Implement network segmentation to limit access to critical systems.
Conduct security assessments and penetration testing to identify and remediate vulnerabilities.

Patching and Updates

Cybozu, Inc. may release patches or updates to address CVE-2019-6023. Ensure timely installation of these patches to mitigate the risk of unauthorized data access.