CVE-2020-1091 Explained : Impact and Mitigation

A Windows Graphics Component Information Disclosure Vulnerability was identified and published by Microsoft on September 8, 2020.

Understanding CVE-2020-1091

This CVE concerns an information disclosure vulnerability in the Windows Graphics Device Interface (GDI) component, potentially leading to unauthorized access to system information.

What is CVE-2020-1091?

An information disclosure flaw in the Windows GDI component allows attackers to retrieve sensitive data from system memory, possibly leading to further exploitations.

The Impact of CVE-2020-1091

Exploitation could enable threat actors to access confidential system details, facilitating additional compromises. Attack vectors include enticing users to open malicious files or visit compromised websites.

Technical Details of CVE-2020-1091

This section delves into specific technical aspects of the identified vulnerability.

Vulnerability Description

The vulnerability arises from the improper handling of memory contents by the Windows GDI component, potentially divulging memory contents to unauthorized entities.

Affected Systems and Versions

The following products and versions are impacted by this vulnerability:

Windows 10 Version 1803, 1809, 1909, 2004
Windows Server 2019, 1903, 2004
Windows 7, 8.1, 8.1 RT
Windows Server 2008, 2008 R2, 2012, 2012 R2, 2016

Exploitation Mechanism

The exploit can be triggered through actions like enticing users to interact with malicious documents or visit compromised websites, enabling attackers to glean sensitive system details.

Mitigation and Prevention

Actions to mitigate the risk and prevent potential exploits of this vulnerability.

Immediate Steps to Take

Apply the security update provided by Microsoft to address the GDI component vulnerability promptly.
Educate users on safe browsing practices to mitigate the risk of exposure to malicious documents or websites.

Long-Term Security Practices

Regularly update system software and security patches to prevent potential vulnerabilities.

Patching and Updates

Ensure timely installation of security patches and updates from Microsoft to safeguard systems from known vulnerabilities.