CVE-2020-1555 : What You Need to Know

A scripting engine memory corruption vulnerability in Microsoft Edge has been identified.

Understanding CVE-2020-1555

A remote code execution vulnerability exists in the scripting engine of Microsoft Edge (HTML-based) which can allow attackers to execute arbitrary code in the context of the current user.

What is CVE-2020-1555?

This vulnerability can corrupt memory in a way that enables an attacker to potentially gain control of the affected system.

The Impact of CVE-2020-1555

Successful exploitation could lead to the attacker gaining the same user rights as the current user, including administrative privileges.
Attackers can then perform actions like installing programs, altering data, creating user accounts with full rights.
Users could be targeted through web-based attacks hosting malicious websites or compromised platforms.

Technical Details of CVE-2020-1555

This section delves into specific technical aspects of the vulnerability.

Vulnerability Description

The vulnerability arises from how the scripting engine manages objects in memory.

Affected Systems and Versions

ChakraCore: All versions before the publication date are affected.
Microsoft Edge (EdgeHTML-based): Version 1.0.0 and earlier are impacted before the publication date.

Exploitation Mechanism

Attackers can exploit the vulnerability through specially crafted websites on Microsoft Edge (HTML-based) to control the user's system.

Mitigation and Prevention

Guidelines to address and prevent the CVE vulnerability.

Immediate Steps to Take

Apply the security update provided by Microsoft to address the memory corruption issue.

Long-Term Security Practices

Regularly update software and browsers to mitigate potential security weaknesses.
Exercise caution while visiting websites, especially those hosting user-generated content.
Implement robust security measures to prevent unauthorized access to systems.

Patching and Updates

Install the relevant security update from Microsoft to patch the vulnerability.