CVE-2020-9930 : What You Need to Know

An out-of-bounds read vulnerability in macOS has been addressed with improved input validation. This CVE affects macOS versions less than 10.15.

Understanding CVE-2020-9930

This CVE involves a local user potentially causing unexpected system termination or reading kernel memory on affected macOS systems.

What is CVE-2020-9930?

CVE-2020-9930 is an out-of-bounds read vulnerability in macOS that could allow a local user to exploit the system.

The Impact of CVE-2020-9930

The vulnerability could lead to unexpected system termination or unauthorized access to kernel memory by a local user.

Technical Details of CVE-2020-9930

This section provides more technical insights into the vulnerability.

Vulnerability Description

The issue is fixed in macOS Catalina 10.15.6, Security Update 2020-004 Mojave, and Security Update 2020-004 High Sierra.

Affected Systems and Versions

Product: macOS
Vendor: Apple
Versions Affected: Less than 10.15

Exploitation Mechanism

A local user could exploit this vulnerability to cause unexpected system termination or read kernel memory.

Mitigation and Prevention

Protect your system from CVE-2020-9930 with the following steps:

Immediate Steps to Take

Update macOS to version 10.15 or higher.
Apply the necessary security updates provided by Apple.

Long-Term Security Practices

Regularly update your operating system to the latest version.
Implement strong user access controls to prevent unauthorized system access.

Patching and Updates

Ensure you regularly check for and apply security patches and updates to keep your system secure.