CVE-2021-21415 : What You Need to Know

Remote code execution vulnerability in Prisma VS Code extension before version 2.20.0 allows malicious binaries to execute during auto-formatting, posing a high security risk.

Understanding CVE-2021-21415

This vulnerability, tracked as CVE-2021-21415, impacts the Prisma VS Code extension versions older than 2.20.0, allowing remote code execution.

What is CVE-2021-21415?

CVE-2021-21415 is a security flaw in the Prisma VS Code extension that enables the execution of custom binaries, posing a risk of remote code execution.

The Impact of CVE-2021-21415

The vulnerability poses a high severity impact with a CVSS base score of 7.8 due to its ability to execute malicious binaries during simple user actions.

Technical Details of CVE-2021-21415

The technical details highlight the aspects of the vulnerability including its description, affected systems, and exploitation mechanism.

Vulnerability Description

The flaw allows custom binary execution in VS Code, triggered by auto-formatting actions in Prisma schema files.

Affected Systems and Versions

Prisma VS Code extension versions below 2.20.0 are affected by this vulnerability.

Exploitation Mechanism

Malicious binaries can be executed through auto-formatting or validation checks on Prisma schema files.

Mitigation and Prevention

Understanding how to mitigate the risk, take immediate actions, and ensure long-term security practices is crucial.

Immediate Steps to Take

Users should update to versions 2.20.0 and 20.0.27 to eliminate the vulnerability. Additionally, editing or deleting the

.vscode/settings.json

file or identifying and removing any malicious binary is recommended.

Long-Term Security Practices

Implementing secure coding practices, regular code reviews, and maintaining awareness of potential code injection threats can enhance long-term security.

Patching and Updates

Regularly checking for updates and applying security patches provided by the extension developer can prevent such vulnerabilities in the future.