CVE-2019-8658 : Security Advisory and Response

A logic issue was addressed with improved state management in various Apple operating systems and applications. Processing maliciously crafted web content may lead to universal cross-site scripting.

Understanding CVE-2019-8658

Improved state management resolved a logic problem that was identified in multiple Apple products, potentially leading to universal cross-site scripting.

What is CVE-2019-8658?

CVE-2019-8658 is a vulnerability in Apple products that could allow attackers to execute universal cross-site scripting by manipulating web content.

The Impact of CVE-2019-8658

The vulnerability could be exploited by processing intentionally manipulated web content, posing a risk of universal cross-site scripting across affected Apple systems and applications.

Technical Details of CVE-2019-8658

Improved state management addressed a logic problem in the following Apple products:

Vulnerability Description

The issue was fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3, Safari 12.1.2, iTunes for Windows 12.9.6, iCloud for Windows 7.13, and iCloud for Windows 10.6.

Affected Systems and Versions

iOS versions less than 12.4
macOS versions less than Mojave 10.14.6
tvOS versions less than 12.4
watchOS versions less than 5.3
Safari versions less than 12.1.2
iTunes for Windows versions less than 12.9.6
iCloud for Windows versions less than 7.13
iCloud for Windows (Microsoft Store) versions less than 10.6

Exploitation Mechanism

Processing web content that is intentionally manipulated may result in universal cross-site scripting.

Mitigation and Prevention

Immediate Steps to Take:

Update affected Apple products to the latest patched versions.
Avoid visiting untrusted websites or clicking on suspicious links.
Regularly monitor Apple's security updates for any new patches. Long-Term Security Practices:
Implement web content security best practices to prevent cross-site scripting attacks.
Educate users on safe browsing habits and the risks of interacting with unknown web content.
Consider using security tools that can detect and block malicious web content.
Enable automatic updates for Apple products to ensure timely patching.
Regularly back up important data to mitigate the impact of potential security incidents.

Patching and Updates

Apple has released patches for the affected products. Ensure that all devices are updated to the latest versions to mitigate the risk of exploitation.