CVE-2019-8746 Explained : Impact and Mitigation

Improved input validation has resolved an instance of an out-of-bounds read in Apple products, potentially allowing unauthorized individuals to trigger application termination or execute arbitrary code.

Understanding CVE-2019-8746

This CVE addresses a vulnerability in various Apple products that could lead to unexpected application termination or arbitrary code execution.

What is CVE-2019-8746?

An out-of-bounds read issue has been fixed in multiple software versions, including macOS Catalina 10.15, iOS 13, iCloud for Windows, tvOS 13, watchOS 6, and iTunes for Windows.

The Impact of CVE-2019-8746

The vulnerability could allow a remote attacker to cause unexpected application termination or execute arbitrary code on affected devices.

Technical Details of CVE-2019-8746

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

Vulnerability Description

The vulnerability stemmed from inadequate input validation, leading to an out-of-bounds read.

Affected Systems and Versions

macOS versions less than 10.15
iOS versions less than 13
watchOS versions less than 6
tvOS versions less than 13
macOS versions less than 12.10
macOS versions less than 10.7

Exploitation Mechanism

Unauthorized individuals could exploit this vulnerability remotely to trigger application termination or execute arbitrary code.

Mitigation and Prevention

To address and prevent the exploitation of CVE-2019-8746, follow these steps:

Immediate Steps to Take

Update affected Apple products to the latest versions.
Apply security patches provided by Apple.

Long-Term Security Practices

Regularly update all software and firmware to the latest versions.
Implement network security measures to prevent remote attacks.

Patching and Updates

Install security updates released by Apple promptly to mitigate the vulnerability.