CVE-2020-3873 : Security Advisory and Response

This CVE-2020-3873 article provides insights into a vulnerability affecting iOS and iPadOS versions prior to 13.3.1, with details on its impact, technical aspects, and mitigation strategies.

Understanding CVE-2020-3873

This section delves into the specifics of the CVE-2020-3873 vulnerability.

What is CVE-2020-3873?

CVE-2020-3873 is a vulnerability in iOS and iPadOS versions before 13.3.1 related to setting propagation.

The Impact of CVE-2020-3873

The vulnerability could allow malicious actors to exploit mail previews by bypassing the 'Load remote content in messages' setting.

Technical Details of CVE-2020-3873

Explore the technical aspects of CVE-2020-3873.

Vulnerability Description

The issue was resolved through enhanced setting propagation in iOS 13.3.1 and iPadOS 13.3.1. However, disabling 'Load remote content in messages' may not be effective for all mail previews.

Affected Systems and Versions

Product: iOS
Vendor: Apple
Versions Affected: iOS versions prior to 13.3.1 and iPadOS versions prior to 13.3.1

Exploitation Mechanism

The vulnerability could be exploited by bypassing the 'Load remote content in messages' setting, potentially leading to unauthorized access to mail previews.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2020-3873.

Immediate Steps to Take

Update affected devices to iOS 13.3.1 or iPadOS 13.3.1 to patch the vulnerability.
Exercise caution when previewing emails with remote content.

Long-Term Security Practices

Regularly update devices to the latest software versions.
Be cautious when interacting with email content, especially from unknown sources.

Patching and Updates

Ensure timely installation of security patches and updates to prevent exploitation of known vulnerabilities.