CVE-2020-9813 : Security Advisory and Response

A logic issue in Apple's iOS, macOS, tvOS, and watchOS resulted in memory corruption, allowing a malicious application to execute arbitrary code with kernel privileges.

Understanding CVE-2020-9813

What is CVE-2020-9813?

A logic issue led to memory corruption, enabling unauthorized code execution with kernel privileges on Apple's operating systems.

The Impact of CVE-2020-9813

The vulnerability allowed a malicious application to execute arbitrary code with elevated privileges, posing a significant security risk.

Technical Details of CVE-2020-9813

Vulnerability Description

The flaw involved memory corruption due to a logic issue, mitigated by enhanced state management in iOS 13.5, iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, and watchOS 6.2.5.

Affected Systems and Versions

iOS: Less than 13.5 and iPadOS 13.5
macOS: Less than Catalina 10.15.5
tvOS: Less than 13.4.5
watchOS: Less than 6.2.5

Exploitation Mechanism

A malicious application could exploit the vulnerability to gain kernel privileges and execute unauthorized code.

Mitigation and Prevention

Immediate Steps to Take

Update affected systems to iOS 13.5, iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, or watchOS 6.2.5 to patch the vulnerability.
Avoid downloading apps from untrusted sources to minimize the risk of exploitation.

Long-Term Security Practices

Regularly update all Apple devices to the latest software versions to ensure protection against known vulnerabilities.

Patching and Updates

Stay informed about security updates from Apple and apply patches promptly to safeguard against potential threats.