CVE-2020-1546 Explained : Impact and Mitigation

Windows Backup Engine Elevation of Privilege Vulnerability was disclosed on August 11, 2020, by Microsoft. The vulnerability affects various versions of Windows, allowing attackers to elevate privileges by exploiting memory handling.

Understanding CVE-2020-1546

An elevation of privilege vulnerability in the Windows Backup Engine has potential security implications for multiple Windows versions, enabling malicious actors to escalate their privileges on affected systems.

What is CVE-2020-1546?

This vulnerability arises from improper memory handling within the Windows Backup Engine, leading to a scenario where attackers could execute specially crafted applications to gain elevated privileges on targeted systems.

The Impact of CVE-2020-1546

The consequence of this vulnerability is significant as it allows unauthorized individuals to exploit the Windows Backup Engine flaw, potentially leading to the escalation of privileges on affected Windows devices.

Technical Details of CVE-2020-1546

This section delves into the intricate technical aspects of the Windows Backup Engine vulnerability.

Vulnerability Description

An elevation of privilege vulnerability in how the Windows Backup Engine manages memory, which can be exploited by executing malicious applications on the victim's system.

Affected Systems and Versions

Windows 7, Windows 7 Service Pack 1, Windows 8.1, and various Windows 10 versions (1709, 1803, 1809, 1903, 1909, and more).

Exploitation Mechanism

To exploit this vulnerability, attackers need initial execution on the target system to run a specially crafted application that can elevate privileges.

Mitigation and Prevention

Preventive measures are crucial to safeguard systems against potential exploitation.

Immediate Steps to Take

Apply the security update provided by Microsoft to address the vulnerability promptly.

Long-Term Security Practices

Regularly update and patch operating systems and applications to mitigate known vulnerabilities.
Implement robust security measures such as network segmentation and least privilege access to limit the impact of potential attacks.

Patching and Updates

Ensure timely installation of security patches and updates released by Microsoft to stay protected against known vulnerabilities.