CVE-2020-1524 : Exploit Details and Defense Strategies

Windows Speech Shell Components Elevation of Privilege Vulnerability was published on August 17, 2020, by Microsoft.

Understanding CVE-2020-1524

What is CVE-2020-1524?

An elevation of privilege vulnerability in Windows Speech Shell Components allows attackers to misuse memory handling, potentially gaining elevated system privileges.

The Impact of CVE-2020-1524

This vulnerability could be exploited by an attacker who has already gained execution on the victim system. By running a specially crafted application, the attacker could elevate their privileges on the compromised system.

Technical Details of CVE-2020-1524

Vulnerability Description

The issue arises from the improper memory handling within the Windows Speech Shell Components. The security update aimed to rectify this flaw by addressing how these components manage memory.

Affected Systems and Versions

Affected Products: Windows 10 Version 1803, Windows 10 Version 1809, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows 10 Version 1909, Windows Server version 1909 (Server Core installation), Windows 10 Version 1903, Windows 10 Version 2004, Windows Server version 2004
Platforms: 32-bit Systems, x64-based Systems, ARM64-based Systems

Exploitation Mechanism

Attackers need initial access to the victim system to exploit this vulnerability effectively.
Running a specifically crafted application allows them to manipulate memory handling and escalate privileges.

Mitigation and Prevention

Immediate Steps to Take

Apply the security update provided by Microsoft to patch the vulnerability.
Monitor and restrict user permissions to minimize potential attack surfaces.
Implement the principle of least privilege to limit user access.

Long-Term Security Practices

Conduct regular security assessments and audits to identify and address potential vulnerabilities.
Stay informed about security best practices and updates to mitigate future risks.

Patching and Updates

Regularly update and patch all systems and software to ensure protection against known vulnerabilities.