CVE-2018-0891 Explained : Impact and Mitigation

A vulnerability known as "Scripting Engine Information Disclosure Vulnerability" exists in ChakraCore, Internet Explorer in Microsoft Windows operating systems, and Microsoft Edge in Windows 10 and Windows Server 2016. This CVE ID is different from CVE-2018-0939.

Understanding CVE-2018-0891

This CVE involves an information disclosure vulnerability in various Microsoft products.

What is CVE-2018-0891?

The vulnerability allows for the disclosure of information due to the way the scripting engine handles objects in memory.

The Impact of CVE-2018-0891

The vulnerability can lead to unauthorized access to sensitive information stored in memory, potentially compromising user data and system security.

Technical Details of CVE-2018-0891

This section provides more technical insights into the CVE.

Vulnerability Description

Vulnerability Name: Scripting Engine Information Disclosure Vulnerability
Affected Products: ChakraCore, Microsoft Edge, Internet Explorer

Affected Systems and Versions

Microsoft Windows 7 SP1
Windows Server 2008 and R2 SP1
Windows 8.1 and Windows RT 8.1
Windows Server 2012 and R2
Windows 10 Gold, 1511, 1607, 1703, 1709
Windows Server 2016

Exploitation Mechanism

The vulnerability is exploited by manipulating the scripting engine to access and disclose sensitive information stored in memory.

Mitigation and Prevention

Protecting systems from CVE-2018-0891 is crucial to maintaining security.

Immediate Steps to Take

Apply security patches provided by Microsoft promptly.
Monitor official sources for updates and advisories regarding this vulnerability.

Long-Term Security Practices

Regularly update and patch software to prevent exploitation of known vulnerabilities.
Implement robust security measures to safeguard against information disclosure attacks.

Patching and Updates

Ensure all affected systems are updated with the latest security patches from Microsoft to mitigate the vulnerability effectively.