CVE-2020-0811 Explained : Impact and Mitigation

A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge (HTML-based), aka 'Chakra Scripting Engine Memory Corruption Vulnerability'.

Understanding CVE-2020-0811

What is CVE-2020-0811?

This CVE ID refers to a remote code execution vulnerability present in the Chakra scripting engine used in Microsoft Edge (HTML-based).

The Impact of CVE-2020-0811

The vulnerability could allow an attacker to execute arbitrary code on the affected system, potentially leading to a complete compromise of the system.

Technical Details of CVE-2020-0811

Vulnerability Description

The issue arises from how the Chakra scripting engine manages objects in memory, enabling malicious actors to exploit this weakness for remote code execution.

Affected Systems and Versions

ChakraCore by Microsoft
Microsoft Edge (EdgeHTML-based) on various Windows versions and architectures

Exploitation Mechanism

The vulnerability can be exploited by crafting a specific malicious script or webpage that, when executed in an affected browser, triggers the flaw in the Chakra engine.

Mitigation and Prevention

Immediate Steps to Take

Apply security patches and updates provided by Microsoft for the affected products immediately.
Consider using alternative browsers until the patch is applied if using Microsoft Edge.

Long-Term Security Practices

Maintain up-to-date security software to detect and prevent potential threats.
Regularly monitor for security advisories and updates related to the Chakra scripting engine.

Patching and Updates

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