CVE-2019-1108 : Security Advisory and Response

A security flaw related to information disclosure in the Windows Remote Desktop Protocol (RDP) client has been identified. This vulnerability is known as the 'Remote Desktop Protocol Client Information Disclosure Vulnerability'.

Understanding CVE-2019-1108

What is CVE-2019-1108?

This vulnerability arises from improper memory handling in the Windows RDP client, leading to the inadvertent exposure of memory contents.

The Impact of CVE-2019-1108

The vulnerability allows attackers to potentially access sensitive information from the memory of the RDP client, posing a risk of unauthorized data exposure.

Technical Details of CVE-2019-1108

Vulnerability Description

The flaw in the Windows RDP client results in the disclosure of memory contents due to improper memory handling.

Affected Systems and Versions

Windows: Versions 7, 8.1, RT 8.1, 10, and various updates are affected.
Windows Server: Multiple versions including 2008, 2012, 2016, and 2019 are impacted.
Windows 10 Version 1903 for 32-bit, x64-based, and ARM64-based Systems, as well as Windows Server version 1903, are also affected.

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to access sensitive information stored in the memory of the Windows RDP client.

Mitigation and Prevention

Immediate Steps to Take

Apply security updates provided by Microsoft promptly to mitigate the vulnerability.
Implement network-level authentication to enhance security when using RDP.

Long-Term Security Practices

Regularly update and patch systems to protect against known vulnerabilities.
Employ strong password policies and multi-factor authentication to secure remote access.

Patching and Updates

Microsoft has released security updates to address this vulnerability. Ensure all affected systems are updated with the latest patches.