CVE-2019-14806 Explained : Impact and Mitigation

In versions prior to 0.15.3, Pallets Werkzeug lacks sufficient randomness in its debugger PIN when used in conjunction with Docker due to Docker containers sharing the same machine id.

Understanding CVE-2019-14806

Pallets Werkzeug before version 0.15.3, when used with Docker, has insufficient debugger PIN randomness because Docker containers share the same machine id.

What is CVE-2019-14806?

Pallets Werkzeug, when used with Docker in versions before 0.15.3, lacks adequate randomness in its debugger PIN, leading to a security vulnerability.

The Impact of CVE-2019-14806

Attackers could potentially exploit this lack of randomness to predict debugger PINs, compromising the security of the system.

Technical Details of CVE-2019-14806

Pallets Werkzeug vulnerability details and affected systems.

Vulnerability Description

Pallets Werkzeug versions prior to 0.15.3 lack sufficient randomness in debugger PIN when used with Docker, as Docker containers share the same machine id.

Affected Systems and Versions

Product: N/A
Vendor: N/A
Versions affected: All versions prior to 0.15.3

Exploitation Mechanism

Lack of randomness in the debugger PIN due to Docker containers sharing the same machine id.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2019-14806 vulnerability.

Immediate Steps to Take

Upgrade Pallets Werkzeug to version 0.15.3 or newer to address the randomness issue in the debugger PIN.
Avoid using Werkzeug with Docker until the vulnerability is patched.

Long-Term Security Practices

Regularly update and patch software to ensure the latest security fixes are in place.
Implement strong and unique debugger PINs to enhance security.

Patching and Updates

Apply patches and updates provided by Pallets Werkzeug to fix the randomness issue in the debugger PIN.