CVE-2020-9973 : Security Advisory and Response

An out-of-bounds read vulnerability in macOS and iOS that could lead to arbitrary code execution.

Understanding CVE-2020-9973

This CVE addresses a critical out-of-bounds read vulnerability in Apple's macOS and iOS systems.

What is CVE-2020-9973?

This vulnerability involves processing a maliciously crafted USD file, potentially resulting in unexpected application termination or arbitrary code execution.

The Impact of CVE-2020-9973

The exploitation of this vulnerability could allow an attacker to execute arbitrary code on the affected systems, leading to severe security risks.

Technical Details of CVE-2020-9973

This section provides more in-depth technical information about the CVE.

Vulnerability Description

An out-of-bounds read issue was resolved by enhancing bounds checking in macOS Catalina 10.15.7, Security Update 2020-005 High Sierra, Security Update 2020-005 Mojave, iOS 14.0, and iPadOS 14.0.

Affected Systems and Versions

macOS versions prior to 10.15
macOS versions prior to 14.0

Exploitation Mechanism

The vulnerability can be exploited by processing a specially crafted USD file, triggering the out-of-bounds read and potentially leading to code execution.

Mitigation and Prevention

Protecting systems from CVE-2020-9973 requires immediate actions and long-term security practices.

Immediate Steps to Take

Apply the necessary security updates provided by Apple for macOS and iOS systems.
Avoid opening or processing files from untrusted or unknown sources.
Monitor official Apple security advisories for any further updates or patches.

Long-Term Security Practices

Regularly update and patch all software and operating systems to mitigate potential vulnerabilities.
Implement robust security measures such as firewalls and intrusion detection systems.

Patching and Updates

Ensure that all affected systems are updated with the latest security patches released by Apple to address the CVE-2020-9973 vulnerability.