CVE-2021-30502 : Vulnerability Insights and Analysis

This CVE-2021-30502 involves the unofficial vscode-ghc-simple extension before version 0.2.3 for Visual Studio Code, allowing remote code execution through a specially crafted workspace configuration.

Understanding CVE-2021-30502

This section delves into the details of the CVE-2021-30502 vulnerability.

What is CVE-2021-30502?

The unofficial vscode-ghc-simple extension, specifically versions earlier than 0.2.3 for Visual Studio Code, is susceptible to remote code execution when a malicious workspace configuration with replCommand is executed.

The Impact of CVE-2021-30502

A successful exploitation of this vulnerability could allow remote attackers to execute arbitrary code on the target system, potentially leading to unauthorized access and data theft.

Technical Details of CVE-2021-30502

Let's explore the technical aspects of CVE-2021-30502.

Vulnerability Description

The vulnerability arises due to inadequate input validation in the vscode-ghc-simple extension, enabling threat actors to execute malicious code remotely.

Affected Systems and Versions

The affected product is the vscode-ghc-simple extension before version 0.2.3 for Visual Studio Code.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by crafting a malicious workspace configuration with replCommand, triggering the unauthorized execution of code.

Mitigation and Prevention

Discover the necessary steps to protect your systems from CVE-2021-30502.

Immediate Steps to Take

Users are advised to update the vscode-ghc-simple extension to version 0.2.3 or later to mitigate the risk of remote code execution.

Long-Term Security Practices

Implement robust security practices, such as avoiding untrusted workspace configurations and monitoring extension updates regularly to prevent similar vulnerabilities.

Patching and Updates

Regularly check for security updates and apply patches promptly to address known vulnerabilities and enhance system security.