CVE-2020-9842 : Vulnerability Insights and Analysis
Learn about CVE-2020-9842, a security vulnerability in Apple's iOS, macOS, tvOS, and watchOS that allows malicious apps to access private data. Find out the impacted systems, exploitation mechanism, and mitigation steps.
An entitlement parsing issue was addressed with improved parsing in Apple's iOS, macOS, tvOS, and watchOS. This issue allowed a malicious application to access private information and perform privileged actions.
Understanding CVE-2020-9842
This CVE addresses a security vulnerability related to entitlement parsing in Apple's operating systems.
What is CVE-2020-9842?
CVE-2020-9842 is a vulnerability in Apple's iOS, macOS, tvOS, and watchOS that could be exploited by a malicious application to interact with system processes, potentially leading to unauthorized access to private data and execution of privileged actions.
The Impact of CVE-2020-9842
The vulnerability could allow unauthorized access to sensitive information and the execution of privileged actions by a malicious application on affected Apple devices.
Technical Details of CVE-2020-9842
This section provides more technical insights into the vulnerability.
Vulnerability Description
The issue was related to entitlement parsing and was fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, and watchOS 6.2.5.
Affected Systems and Versions
- iOS: Less than iOS 13.5 and iPadOS 13.5
- macOS: Less than macOS Catalina 10.15.5
- tvOS: Less than tvOS 13.4.5
- watchOS: Less than watchOS 6.2.5
Exploitation Mechanism
A malicious application could exploit the vulnerability to interact with system processes, potentially gaining access to private information and performing privileged actions.
Mitigation and Prevention
Protecting your devices from CVE-2020-9842 is crucial. Here are some steps to mitigate the risk:
Immediate Steps to Take
- Update your Apple devices to the fixed versions: iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5, and watchOS 6.2.5.
- Avoid downloading apps from untrusted sources.
Long-Term Security Practices
- Regularly update your devices to the latest software versions.
- Be cautious while granting permissions to applications.
Patching and Updates
- Stay informed about security updates from Apple and apply them promptly to ensure your devices are protected.