CVE-2020-9875 : What You Need to Know

An integer overflow vulnerability affecting multiple Apple products has been addressed through improved input validation. This vulnerability could allow arbitrary code execution when processing a maliciously crafted image.

Understanding CVE-2020-9875

What is CVE-2020-9875?

CVE-2020-9875 is an integer overflow vulnerability that impacts various Apple products, potentially leading to arbitrary code execution.

The Impact of CVE-2020-9875

The vulnerability could be exploited by processing a specially crafted image, resulting in the execution of arbitrary code on the affected systems.

Technical Details of CVE-2020-9875

Vulnerability Description

The issue was fixed in the following versions:

iOS 13.6 and iPadOS 13.6
macOS Catalina 10.15.6
tvOS 13.4.8
watchOS 6.2.8
iTunes 12.10.8 for Windows
iCloud for Windows 11.3
iCloud for Windows 7.20

Affected Systems and Versions

The vulnerability affects the following products and versions:

iOS: Less than iOS 13.6 and iPadOS 13.6
macOS: Less than macOS Catalina 10.15.6
tvOS: Less than tvOS 13.4.8
watchOS: Less than watchOS 6.2.8
iTunes for Windows: Less than iTunes 12.10.8
iCloud for Windows: Less than iCloud for Windows 11.3
iCloud for Windows (Legacy): Less than iCloud for Windows 7.20

Exploitation Mechanism

The vulnerability can be exploited by processing a specifically crafted image, triggering the integer overflow and potentially leading to the execution of arbitrary code.

Mitigation and Prevention

Immediate Steps to Take

Update the affected Apple products to the fixed versions mentioned above.
Avoid opening or processing images from untrusted or unknown sources.

Long-Term Security Practices

Regularly update all software and operating systems to the latest versions.
Implement security best practices to prevent the execution of malicious code.

Patching and Updates

Apply security patches and updates provided by Apple to address the CVE-2020-9875 vulnerability.