CVE-2020-0859 : Exploit Details and Defense Strategies

An information vulnerability exists when Windows Modules Installer Service improperly discloses file information, aka 'Windows Modules Installer Service Information Disclosure Vulnerability'.

Understanding CVE-2020-0859

This CVE relates to a vulnerability where Windows Modules Installer Service exposes file information.

What is CVE-2020-0859?

This is an information disclosure vulnerability in Windows Modules Installer Service that could allow unauthorized access to sensitive file information.

The Impact of CVE-2020-0859

The vulnerability can lead to unauthorized disclosure of confidential data stored on affected systems.

Technical Details of CVE-2020-0859

This section provides technical details of the vulnerability.

Vulnerability Description

The vulnerability allows Windows Modules Installer Service to inappropriately reveal file data.

Affected Systems and Versions

The following Windows and Windows Server versions are affected:

Various versions of Windows 10 (1803, 1809, 1709, 1607), 8.1, and RT 8.1
Windows Server versions 1803, 2019, 2016, 2012, and 2012 R2

Exploitation Mechanism

Attackers can exploit this vulnerability by accessing the Windows Modules Installer Service in affected systems to retrieve sensitive file information.

Mitigation and Prevention

Protect your systems from CVE-2020-0859 by following these steps:

Immediate Steps to Take

Apply security patches provided by Microsoft
Monitor system logs for unusual activity
Restrict access to critical files and services

Long-Term Security Practices

Regularly update and patch all software
Implement strict access controls and segregation of duties
Conduct regular security assessments and audits

Patching and Updates

Ensure that all affected systems are promptly updated with the latest security patches from Microsoft.