CVE-2021-29973 : Security Advisory and Response

This CVE-2021-29973 article provides insights into a security vulnerability in Mozilla Firefox for Android related to password autofill without user interaction on insecure websites.

Understanding CVE-2021-29973

This section delves into the specifics of CVE-2021-29973, its impact, technical details, and mitigation strategies.

What is CVE-2021-29973?

CVE-2021-29973 involves a flaw in Firefox for Android where password autofill was enabled on insecure websites without user interaction, affecting versions prior to Firefox 90.

The Impact of CVE-2021-29973

The vulnerability allowed passwords to be entered automatically without user consent on insecure websites through Firefox autofill, impacting user security and privacy on Android devices.

Technical Details of CVE-2021-29973

This section provides a detailed overview of the vulnerability, affected systems, and exploitation mechanisms.

Vulnerability Description

Password autofill functionality in Firefox for Android could enter user passwords on insecure sites without requiring user interaction, posing a security risk to users.

Affected Systems and Versions

The vulnerability affects Firefox versions less than 90 on the Android operating system, while other systems remain unaffected.

Exploitation Mechanism

Attackers could exploit this flaw by luring users to malicious websites and capturing their passwords through unauthorized autofill actions.

Mitigation and Prevention

Explore the steps to address and prevent the CVE-2021-29973 vulnerability efficiently.

Immediate Steps to Take

Users should update Firefox to version 90 or above to mitigate the risk of unauthorized password autofill on insecure websites.

Long-Term Security Practices

To enhance security, users should avoid storing passwords on browsers and use password managers with proper security measures.

Patching and Updates

Regularly check for browser updates and security patches to ensure protection against known vulnerabilities like CVE-2021-29973.