CVE-2020-1518 : Security Advisory and Response

Windows File Server Resource Management Service Elevation of Privilege Vulnerability was published on August 11, 2020 by Microsoft. An elevation of privilege vulnerability was identified related to how the service handles memory. Attackers could exploit this to elevate privileges.

Understanding CVE-2020-1518

This CVE involves a security vulnerability that could allow attackers to gain elevated privileges on affected systems.

What is CVE-2020-1518?

An elevation of privilege vulnerability in the Windows File Server Resource Management Service stems from memory mishandling. Attackers could leverage this flaw to elevate their access level on a compromised system.

The Impact of CVE-2020-1518

The vulnerability poses a high risk as it allows attackers to escalate their privileges on Windows systems, potentially leading to more extensive system compromise.

Technical Details of CVE-2020-1518

This section provides a more in-depth look at the specifics of the vulnerability.

Vulnerability Description

The flaw arises due to improper memory management in the Windows File Server Resource Management Service, paving the way for privilege escalation.

Affected Systems and Versions

Windows 10 Version 2004, Windows Server version 2004, Windows 10 Version 1809, Windows Server 2019, Windows 10 Version 1909, Windows Server, version 1909, and more.

Exploitation Mechanism

Attackers need initial execution on the target system to exploit the vulnerability.
Subsequently, they can utilize a specially crafted application to raise their privileges.

Mitigation and Prevention

Understanding the steps to mitigate and prevent exploitation is crucial.

Immediate Steps to Take

Apply the security update provided by Microsoft to address the vulnerability effectively.
Monitor for any signs of unauthorized access or suspicious activities on the network.

Long-Term Security Practices

Implement the principle of least privilege to restrict user access rights.
Regularly update and patch all systems to prevent known vulnerabilities from being exploited.

Patching and Updates

Regularly check for security updates from the official Microsoft website and promptly apply them to ensure system security.