CVE-2020-9977 : Vulnerability Insights and Analysis

A validation issue in entitlement verification in Apple's iOS, iPadOS, and macOS could allow a malicious application to access a user's open tabs in Safari.

Understanding CVE-2020-9977

A vulnerability in entitlement verification could lead to unauthorized access to user data.

What is CVE-2020-9977?

CVE-2020-9977 is a validation issue in the entitlement verification process in Apple's iOS, iPadOS, and macOS systems.

The Impact of CVE-2020-9977

The vulnerability could enable a malicious application to determine a user's open tabs in Safari, potentially compromising user privacy and security.

Technical Details of CVE-2020-9977

The technical aspects of the vulnerability and its implications.

Vulnerability Description

A validation issue in entitlement verification allowed unauthorized access to user data, specifically open tabs in Safari.

Affected Systems and Versions

iOS and iPadOS versions less than 14.0
macOS versions less than 11.0

Exploitation Mechanism

The vulnerability could be exploited by a malicious application to access a user's open tabs in Safari.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2020-9977.

Immediate Steps to Take

Update affected systems to macOS Big Sur 11.0.1, iOS 14.0, or iPadOS 14.0.
Avoid downloading and running untrusted applications.
Regularly monitor for security updates from Apple.

Long-Term Security Practices

Implement strong device passcodes and biometric authentication.
Be cautious of granting unnecessary permissions to applications.
Regularly review and manage app permissions.

Patching and Updates

Apply security patches and updates provided by Apple promptly to address the vulnerability.