CVE-2020-0798 : Security Advisory and Response

An elevation of privilege vulnerability exists in the Windows Installer, allowing a locally authenticated attacker to run arbitrary code with elevated system privileges.

Understanding CVE-2020-0798

This CVE relates to a vulnerability in Microsoft Windows affecting multiple versions, potentially leading to unauthorized system access.

What is CVE-2020-0798?

The vulnerability exists in the Windows Installer due to improper input sanitization, resulting in an insecure library loading behavior.
Attackers with local authenticated access can exploit this flaw to execute arbitrary code with elevated system privileges.

The Impact of CVE-2020-0798

Successful exploitation could lead to unauthorized system access and malicious code execution on affected Windows systems.
This vulnerability is classified as 'Windows Installer Elevation of Privilege Vulnerability.'

Technical Details of CVE-2020-0798

This section provides a deeper insight into the vulnerability affecting various Microsoft Windows versions.

Vulnerability Description

The issue allows attackers to execute arbitrary code with elevated privileges through the Windows Installer.

Affected Systems and Versions

Windows and Windows Server versions impacted include:

Windows 10 Versions 1607, 1709, 1803, 1809, 1903, 1909
Windows Server 2016, 2019

Exploitation Mechanism

An attacker needs local authenticated access to exploit this vulnerability, potentially through compromised accounts or systems.

Mitigation and Prevention

Taking immediate actions and implementing long-term security practices are crucial to mitigate the risks posed by CVE-2020-0798.

Immediate Steps to Take

Apply security updates and patches provided by Microsoft promptly.
Monitor system logs for any suspicious activities or unauthorized access attempts.

Long-Term Security Practices

Regularly update and maintain system security configurations.
Conduct security audits and vulnerability assessments to identify and address weaknesses.

Patching and Updates

Stay informed about security advisories from Microsoft and apply relevant patches as soon as they are released.