CVE-2021-41795 : What You Need to Know

The Safari app extension bundled with 1Password for Mac 7.7.0 through 7.8.x before 7.8.7 is vulnerable to an authorization bypass, potentially allowing unauthorized access to sensitive user data.

Understanding CVE-2021-41795

What is CVE-2021-41795?

The vulnerability in the Safari app extension bundled with 1Password for Mac exposes certain vault items like usernames, passwords, credit cards, and contact items to a malicious web page without the user's interaction.

The Impact of CVE-2021-41795

The exploitation of this vulnerability enables a malicious web page to access a subset of 1Password vault items, including sensitive credentials, which are intended to be securely stored and filled by the user on specific web pages.

Technical Details of CVE-2021-41795

Vulnerability Description

The vulnerability allows unauthorized access to a subset of sensitive user data stored in 1Password vault items, including credentials and personal information.

Affected Systems and Versions

Product: 1Password for Mac 7.7.0 through 7.8.x
Versions: Before 7.8.7

Exploitation Mechanism

A malicious web page can exploit the vulnerability to read sensitive vault items without the user's approval or interaction.

Mitigation and Prevention

Immediate Steps to Take

Update 1Password for Mac to version 7.8.7 or later to patch the vulnerability.
Ensure that 1Password is locked when not in use to prevent unauthorized access to sensitive data.

Long-Term Security Practices

Regularly monitor security bulletins and update software to the latest versions promptly.
Use strong, unique passwords and enable two-factor authentication wherever possible.

Patching and Updates

Apply security patches and updates provided by 1Password to address vulnerabilities effectively.