CVE-2020-3916 Explained : Impact and Mitigation

An access issue was addressed with additional sandbox restrictions. This issue is fixed in iOS 13.4 and iPadOS 13.4, watchOS 6.2. Setting an alternate app icon may disclose a photo without needing permission to access photos.

Understanding CVE-2020-3916

This CVE entry addresses an access issue in Apple's iOS, iPadOS, and watchOS versions.

What is CVE-2020-3916?

CVE-2020-3916 is a vulnerability in iOS, iPadOS, and watchOS that could allow disclosure of photos without requiring permission.

The Impact of CVE-2020-3916

The vulnerability could potentially lead to unauthorized access to photos on affected devices.

Technical Details of CVE-2020-3916

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The issue involves setting an alternate app icon, which may inadvertently disclose photos without proper permissions.

Affected Systems and Versions

iOS and iPadOS versions less than 13.4
watchOS versions less than 6.2

Exploitation Mechanism

The vulnerability can be exploited by setting an alternate app icon, triggering the disclosure of photos without the necessary permissions.

Mitigation and Prevention

Protect your devices from CVE-2020-3916 with the following steps:

Immediate Steps to Take

Update affected devices to iOS 13.4 and iPadOS 13.4, or watchOS 6.2.
Avoid setting alternate app icons until the devices are updated.

Long-Term Security Practices

Regularly update your Apple devices to the latest software versions.
Be cautious when granting permissions to apps that request access to sensitive data.

Patching and Updates

Apply security patches promptly to ensure protection against known vulnerabilities.