CVE-2019-0746 Explained : Impact and Mitigation

A vulnerability relating to the disclosure of information has been identified in Microsoft Edge's scripting engine, known as the 'Scripting Engine Information Disclosure Vulnerability'.

Understanding CVE-2019-0746

What is CVE-2019-0746?

An information disclosure vulnerability exists in Microsoft Edge due to inadequate handling of objects in memory within the scripting engine.

The Impact of CVE-2019-0746

This vulnerability could allow an attacker to access sensitive information by exploiting the scripting engine in Microsoft Edge.

Technical Details of CVE-2019-0746

Vulnerability Description

The vulnerability in Microsoft Edge's scripting engine allows for the disclosure of information due to improper memory object handling.

Affected Systems and Versions

Internet Explorer 9 on Windows Server 2008 for 32-bit Systems Service Pack 2 and x64-based Systems Service Pack 2
Internet Explorer 11 on Windows 7 for 32-bit Systems Service Pack 1 and x64-based Systems Service Pack 1
Internet Explorer 10 on various systems including Windows 8.1, Windows 10, and Windows Server versions
Microsoft Edge on Windows Server 2012
ChakraCore on Windows 10 for 32-bit Systems

Exploitation Mechanism

The vulnerability can be exploited by malicious actors to retrieve sensitive data through the scripting engine in Microsoft Edge.

Mitigation and Prevention

Immediate Steps to Take

Apply the necessary security updates provided by Microsoft to address this vulnerability.
Consider using alternative browsers until the patch is applied.

Long-Term Security Practices

Regularly update software and systems to prevent vulnerabilities.
Implement security best practices to protect against information disclosure threats.

Patching and Updates

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