CVE-2020-1403 : Security Advisory and Response

A remote code execution vulnerability exists in the way that the VBScript engine handles objects in memory, aka 'VBScript Remote Code Execution Vulnerability'.

Understanding CVE-2020-1403

This CVE details a vulnerability in Internet Explorer that could allow remote code execution.

What is CVE-2020-1403?

CVE-2020-1403 is a remote code execution vulnerability in the VBScript engine of Internet Explorer.

The Impact of CVE-2020-1403

This vulnerability can be exploited by an attacker to execute remote code on a targeted system, potentially leading to unauthorized access and control.

Technical Details of CVE-2020-1403

This section provides specific technical information regarding the vulnerability.

Vulnerability Description

The vulnerability lies in how the VBScript engine manages objects in memory.

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 various Windows versions including Windows 7, 8.1, 10, Server 2016, and more

Exploitation Mechanism

The vulnerability allows an attacker to craft a malicious VBScript embedded in a web page or email, which can then be used to exploit the flaw and execute arbitrary code.

Mitigation and Prevention

Protecting systems against CVE-2020-1403 requires immediate action and long-term security measures.

Immediate Steps to Take

Consider disabling VBScript in Internet Explorer to mitigate the risk.
Regularly update Internet Explorer to the latest version to apply security patches.
Implement network segmentation to limit the impact of a potential exploit.

Long-Term Security Practices

Educate users about safe browsing habits to reduce the risk of interacting with malicious content.
Employ a robust antivirus solution to detect and block potential threats.

Patching and Updates

Apply security updates and patches provided by Microsoft for Internet Explorer.