CVE-2020-9853 : Security Advisory and Response
Learn about CVE-2020-9853, a memory corruption issue in macOS that allows a malicious application to determine kernel memory layout. Find out how to mitigate this vulnerability and protect your system.
A memory corruption issue in macOS has been addressed with improved validation, affecting versions less than macOS Catalina 10.15.4. This vulnerability could allow a malicious application to determine kernel memory layout.
Understanding CVE-2020-9853
This CVE involves a memory corruption issue in macOS that could be exploited by a malicious application to access kernel memory layout.
What is CVE-2020-9853?
The CVE-2020-9853 vulnerability in macOS allows a malicious application to potentially access kernel memory layout, posing a security risk.
The Impact of CVE-2020-9853
The vulnerability could be exploited by a malicious application to determine kernel memory layout, potentially leading to unauthorized access and system compromise.
Technical Details of CVE-2020-9853
This section provides technical details about the CVE-2020-9853 vulnerability.
Vulnerability Description
A memory corruption issue in macOS has been fixed in macOS Catalina 10.15.4. The vulnerability could allow a malicious application to determine kernel memory layout.
Affected Systems and Versions
- Affected Product: macOS
- Vendor: Apple
- Affected Versions: Less than macOS Catalina 10.15.4
Exploitation Mechanism
The vulnerability could be exploited by a malicious application to determine kernel memory layout, potentially leading to unauthorized access.
Mitigation and Prevention
Protect your system from CVE-2020-9853 with the following steps:
Immediate Steps to Take
- Update macOS to version 10.15.4 or later to mitigate the vulnerability.
- Avoid downloading and running untrusted applications.
Long-Term Security Practices
- Regularly update your operating system and applications to patch security vulnerabilities.
- Use reputable security software to detect and prevent malicious activities.
- Practice caution when downloading and installing software from unknown sources.
Patching and Updates
Ensure your macOS system is regularly updated to the latest version to patch security vulnerabilities and protect against potential exploits.