CVE-2019-11733 : Security Advisory and Response

A security flaw in Firefox and Firefox ESR versions prior to 68.0.2 allows locally stored passwords to be copied to the clipboard without re-entering the master password, potentially exposing them to theft.

Understanding CVE-2019-11733

This CVE identifies a vulnerability that enables the unauthorized copying of stored passwords in Firefox and Firefox ESR.

What is CVE-2019-11733?

When a master password is set, stored passwords in the 'Saved Logins' dialog can be copied to the clipboard without re-entering the master password, posing a security risk.

The Impact of CVE-2019-11733

This vulnerability exposes stored passwords to potential theft as they can be copied without the required authentication.

Technical Details of CVE-2019-11733

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The flaw allows for the unauthorized copying of locally stored passwords in Firefox and Firefox ESR without re-entering the master password.

Affected Systems and Versions

Products: Firefox, Firefox ESR
Versions: < 68.0.2

Exploitation Mechanism

The vulnerability can be exploited by using the 'copy password' context menu item without the need to re-enter the master password.

Mitigation and Prevention

Protect your systems from this vulnerability by following the mitigation and prevention steps below.

Immediate Steps to Take

Update Firefox and Firefox ESR to version 68.0.2 or higher to mitigate the vulnerability.
Avoid storing sensitive passwords in browsers.

Long-Term Security Practices

Use a password manager to securely store and manage passwords.
Enable two-factor authentication for added security.

Patching and Updates

Regularly update your browsers and software to the latest versions to address security vulnerabilities.