CVE-2021-1745 : What You Need to Know

A detailed overview of the CVE-2021-1745 vulnerability affecting Apple's iOS, iPadOS, and macOS.

Understanding CVE-2021-1745

This section delves into the impact, technical details, and mitigation strategies related to the CVE-2021-1745 vulnerability.

What is CVE-2021-1745?

CVE-2021-1745 is an out-of-bounds read vulnerability that was addressed by Apple with improved input validation. The vulnerability affects iOS, iPadOS, and macOS.

The Impact of CVE-2021-1745

The vulnerability could allow an attacker to execute arbitrary code or cause unexpected application termination by exploiting a maliciously crafted USD file on the affected systems.

Technical Details of CVE-2021-1745

Get insights into the specific aspects of the vulnerability.

Vulnerability Description

The out-of-bounds read issue in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4, and iPadOS 14.4 is related to handling USD files.

Affected Systems and Versions

Apple's iOS and iPadOS versions less than 14.4, as well as macOS versions less than 11.2, are affected by CVE-2021-1745.

Exploitation Mechanism

By processing a specially crafted USD file, threat actors can exploit the vulnerability to achieve arbitrary code execution or application termination.

Mitigation and Prevention

Learn how to secure your systems against CVE-2021-1745.

Immediate Steps to Take

Apply the necessary security updates provided by Apple to mitigate the vulnerability's risks.

Long-Term Security Practices

Regularly update your operating systems and be cautious when handling untrusted files to prevent similar security issues.

Patching and Updates

Keep your iOS, iPadOS, and macOS systems up to date with the latest security patches from Apple to address CVE-2021-1745.