CVE-2020-9863 : Security Advisory and Response

A memory initialization issue in Apple products has been addressed with improved memory handling, fixing the vulnerability in iOS, macOS, tvOS, and watchOS. This issue could allow an application to execute arbitrary code with kernel privileges.

Understanding CVE-2020-9863

This CVE identifies a critical vulnerability in Apple's operating systems that could lead to arbitrary code execution with kernel privileges.

What is CVE-2020-9863?

CVE-2020-9863 is a memory initialization issue that has been resolved by enhancing memory handling in Apple's iOS, macOS, tvOS, and watchOS platforms.

The Impact of CVE-2020-9863

The vulnerability could enable malicious applications to execute arbitrary code with kernel privileges, potentially leading to unauthorized access and control of affected devices.

Technical Details of CVE-2020-9863

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability stems from a memory initialization issue that could be exploited by applications to execute arbitrary code with kernel privileges.

Affected Systems and Versions

iOS versions less than 13.6 and iPadOS versions less than 13.6
macOS Catalina versions less than 10.15.6
tvOS versions less than 13.4.8
watchOS versions less than 6.2.8

Exploitation Mechanism

The vulnerability allows an application to manipulate memory in a way that grants it the ability to execute code with elevated kernel privileges.

Mitigation and Prevention

To address and prevent the exploitation of CVE-2020-9863, follow these steps:

Immediate Steps to Take

Update affected devices to the latest versions of iOS, macOS, tvOS, and watchOS that include the necessary security patches.
Avoid downloading and running untrusted applications on vulnerable devices.

Long-Term Security Practices

Regularly update all software and firmware on Apple devices to ensure they are protected against known vulnerabilities.
Implement strict application control policies to prevent the installation of unauthorized software.

Patching and Updates

Apple has released updates for iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, and watchOS 6.2.8 to address this vulnerability.