CVE-2017-1000228 : Security Advisory and Response

Node.js EJS Remote Code Execution Vulnerability

Understanding CVE-2017-1000228

What is CVE-2017-1000228?

The CVE-2017-1000228 vulnerability is found in nodejs EJS versions prior to 2.5.3, allowing remote code execution due to inadequate input validation in the ejs.renderFile() function.

The Impact of CVE-2017-1000228

This vulnerability can be exploited by attackers to execute arbitrary code remotely, potentially leading to unauthorized access, data theft, and system compromise.

Technical Details of CVE-2017-1000228

Vulnerability Description

The weakness lies in the input validation of the ejs.renderFile() function in nodejs EJS versions older than 2.5.3, enabling attackers to execute malicious code remotely.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: All versions prior to 2.5.3

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious input that can be executed by the ejs.renderFile() function, leading to remote code execution.

Mitigation and Prevention

Immediate Steps to Take

Update nodejs EJS to version 2.5.3 or later to mitigate the vulnerability.
Implement proper input validation and sanitization in your applications to prevent code injection attacks.

Long-Term Security Practices

Regularly monitor for security updates and patches for all software components in your environment.
Conduct security assessments and code reviews to identify and address potential vulnerabilities proactively.

Patching and Updates

Ensure timely application of security patches and updates to all software components to address known vulnerabilities and enhance overall system security.