CVE-2020-1018 : Security Advisory and Response

Microsoft Dynamics Business Central/NAV information disclosure vulnerability.

Understanding CVE-2020-1018

An information disclosure vulnerability in Microsoft Dynamics Business Central/NAV could allow unauthorized access to masked fields.

What is CVE-2020-1018?

The vulnerability exposes masked field values in chart pages, allowing attackers unauthorized access.
Exploiting this flaw enables the viewing of sensitive information intended to remain hidden.

The Impact of CVE-2020-1018

Attackers exploiting this vulnerability could compromise sensitive data, breaching confidentiality.
The security update resolves the issue by enhancing the rendering engine to properly conceal masked fields.

Technical Details of CVE-2020-1018

An overview of the technical aspects of the vulnerability.

Vulnerability Description

Information disclosure vulnerability in Microsoft Dynamics Business Central/NAV.

Affected Systems and Versions

Microsoft Dynamics NAV 2015, 2016, 2017, 2018, and Dynamics 365 Business Central versions are affected.

Exploitation Mechanism

Unauthorized access to masked field values in chart pages within Microsoft Dynamics Business Central/NAV.

Mitigation and Prevention

Measures to address and prevent exploitation of CVE-2020-1018.

Immediate Steps to Take

Apply the security update provided by Microsoft to mitigate the vulnerability.
Review access controls to limit exposure of sensitive information.
Monitor system logs for any unauthorized access attempts.

Long-Term Security Practices

Regularly update and patch Microsoft Dynamics Business Central/NAV to address security vulnerabilities.
Implement access controls and encryption to safeguard sensitive data.
Conduct security assessments and audits to identify and remediate potential vulnerabilities.

Patching and Updates

Stay updated with security advisories from Microsoft and promptly apply patches to secure the system.