CVE-2021-28789 : Exploit Details and Defense Strategies

This CVE refers to the unofficial apple/swift-format extension before version 1.1.2 for Visual Studio Code. The vulnerability allows remote attackers to execute arbitrary code by manipulating a specific configuration value in a workspace.

Understanding CVE-2021-28789

This section will provide detailed insights into the impact and technical details of CVE-2021-28789.

What is CVE-2021-28789?

The unofficial apple/swift-format extension before version 1.1.2 for Visual Studio Code enables malicious actors to run arbitrary code through a crafted configuration setting.

The Impact of CVE-2021-28789

The vulnerability poses a risk of remote code execution, which could compromise the security and integrity of systems utilizing the affected extension.

Technical Details of CVE-2021-28789

Let's delve deeper into the specifics of the vulnerability.

Vulnerability Description

Attackers can trigger code execution by creating a workspace with a manipulated apple-swift-format.path configuration.

Affected Systems and Versions

The issue impacts Visual Studio Code instances using the unofficial apple/swift-format extension before version 1.1.2.

Exploitation Mechanism

Crafted workspace configurations with a specific apple-swift-format.path value initiate code execution upon workspace launch.

Mitigation and Prevention

To safeguard systems from CVE-2021-28789, immediate actions and long-term security practices are essential.

Immediate Steps to Take

Users should refrain from opening untrusted workspaces and promptly update the apple/swift-format extension to version 1.1.2 or newer.

Long-Term Security Practices

Implementing regular security updates, monitoring extension permissions, and scrutinizing workspace configurations can enhance overall system security.

Patching and Updates

Regularly check for security patches and updates related to the Visual Studio Code environment and installed extensions to mitigate potential risks.