CVE-2019-1093 : Security Advisory and Response

A security flaw in DirectWrite leads to memory content disclosure, known as 'DirectWrite Information Disclosure Vulnerability'. This CVE is distinct from CVE-2019-1097.

Understanding CVE-2019-1093

What is CVE-2019-1093?

An information disclosure vulnerability in DirectWrite results in memory content exposure, also referred to as 'DirectWrite Information Disclosure Vulnerability'.

The Impact of CVE-2019-1093

The vulnerability allows unauthorized access to DirectWrite memory content, potentially leading to sensitive data exposure.

Technical Details of CVE-2019-1093

Vulnerability Description

The flaw in DirectWrite causes improper disclosure of memory content, posing a risk of sensitive data exposure.

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 and Windows Server Version 1903 are also affected.

Exploitation Mechanism

Attackers can exploit this vulnerability to access sensitive information stored in DirectWrite memory.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by Microsoft promptly.
Monitor for any unusual activities indicating exploitation of the vulnerability.

Long-Term Security Practices

Regularly update systems with the latest security patches.
Implement network segmentation to limit the impact of potential breaches.
Conduct regular security audits and assessments.

Patching and Updates

Ensure all affected systems are updated with the latest security patches to mitigate the risk of exploitation.