CVE-2019-15605 : What You Need to Know

HTTP request smuggling in Node.js versions 10, 12, and 13 can lead to the delivery of a malicious payload when transfer-encoding is malformed.

Understanding CVE-2019-15605

When transfer-encoding is incorrectly formatted, HTTP request smuggling can occur in Node.js versions 10, 12, and 13, leading to the delivery of a malicious payload.

What is CVE-2019-15605?

CVE-2019-15605 is a vulnerability in Node.js versions 10, 12, and 13 that allows for HTTP request smuggling when the transfer-encoding is incorrectly formatted.

The Impact of CVE-2019-15605

This vulnerability can result in the delivery of a malicious payload, potentially leading to unauthorized access or other security breaches.

Technical Details of CVE-2019-15605

Node.js versions 10, 12, and 13 are affected by HTTP request smuggling due to incorrectly formatted transfer-encoding.

Vulnerability Description

HTTP request smuggling in Node.js versions 10, 12, and 13 causes the delivery of a malicious payload when transfer-encoding is malformed.

Affected Systems and Versions

Product: Node.js (https://github.com/nodejs/node)
Versions: 10.19.0, 12.15.0, 13.8.0

Exploitation Mechanism

The vulnerability arises when the transfer-encoding is incorrectly formatted, allowing for HTTP request smuggling.

Mitigation and Prevention

To address CVE-2019-15605, follow these steps:

Immediate Steps to Take

Update Node.js to a non-vulnerable version.
Monitor for any suspicious activity on affected systems.
Implement network-level protections to detect and block potential HTTP request smuggling attempts.

Long-Term Security Practices

Regularly update Node.js and other software to the latest secure versions.
Conduct security assessments and penetration testing to identify and address vulnerabilities.
Educate developers and system administrators on secure coding practices and potential threats.

Patching and Updates

Apply patches provided by Node.js to fix the vulnerability.