CVE-2020-9831 Explained : Impact and Mitigation
Learn about CVE-2020-9831, an out-of-bounds read vulnerability in macOS Catalina 10.15.5 that could allow a malicious application to determine kernel memory layout. Find mitigation steps and prevention measures here.
An out-of-bounds read vulnerability in macOS Catalina 10.15.5 could allow a malicious application to determine kernel memory layout.
Understanding CVE-2020-9831
This CVE identifies a security issue in macOS Catalina 10.15.5 that could be exploited by a malicious application.
What is CVE-2020-9831?
CVE-2020-9831 is an out-of-bounds read vulnerability in macOS Catalina 10.15.5 that has been addressed with improved bounds checking.
The Impact of CVE-2020-9831
The vulnerability could allow a malicious application to determine kernel memory layout, potentially leading to unauthorized access and information disclosure.
Technical Details of CVE-2020-9831
This section provides technical details about the vulnerability.
Vulnerability Description
The vulnerability involves an out-of-bounds read issue that was fixed in macOS Catalina 10.15.5.
Affected Systems and Versions
- Affected Product: macOS
- Vendor: Apple
- Affected Version: macOS Catalina 10.15.5
Exploitation Mechanism
A malicious application could exploit this vulnerability to access kernel memory layout.
Mitigation and Prevention
Protect your system from CVE-2020-9831 with the following steps:
Immediate Steps to Take
- Update macOS to version 10.15.5 or later.
- Avoid downloading and running untrusted applications.
Long-Term Security Practices
- Regularly update your operating system and applications.
- Use reputable security software to detect and prevent malicious activities.
Patching and Updates
Ensure that your system is up to date with the latest security patches and updates.