CVE-2020-0678 : Security Advisory and Response

An elevation of privilege vulnerability exists in Windows Error Reporting manager due to improper handling of hard links.

Understanding CVE-2020-0678

What is CVE-2020-0678?

This vulnerability in Windows allows an attacker to gain elevated privileges by exploiting how the Error Reporting manager processes hard links.

The Impact of CVE-2020-0678

The vulnerability could lead to unauthorized access, allowing attackers to execute arbitrary code or gain deeper control over affected systems.

Technical Details of CVE-2020-0678

Vulnerability Description

The flaw arises from a mishandling of hard links within the Windows Error Reporting manager, leading to an elevation of privilege issue.

Affected Systems and Versions

Windows 7, 8.1, 10, and various Windows Server versions are impacted.
Specific affected versions include 10 Version 1803, 1809, 1709, 1607, Windows 7 SP1, 8.1, and more.

Exploitation Mechanism

The vulnerability can be exploited by a local attacker who places a crafted file in the system.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by Microsoft promptly.
Regularly monitor system logs and user privileges.
Implement the principle of least privilege.

Long-Term Security Practices

Conduct regular security audits and penetration testing.
Educate users on safe browsing habits and phishing awareness.

Patching and Updates

Ensure that systems are updated with the latest security patches and software updates.