CVE-2020-27898 : Security Advisory and Response
Learn about CVE-2020-27898, a denial of service vulnerability in macOS Big Sur 11.0 that allows attackers to bypass Managed Frame Protection. Find mitigation steps and long-term security practices here.
A denial of service issue in macOS Big Sur 11.0 has been addressed with improved state handling, but an attacker may still bypass Managed Frame Protection.
Understanding CVE-2020-27898
This CVE involves a denial of service vulnerability in macOS Big Sur 11.0 that could allow an attacker to bypass Managed Frame Protection.
What is CVE-2020-27898?
CVE-2020-27898 is a vulnerability in macOS Big Sur 11.0 that could lead to a denial of service. It has been fixed in macOS Big Sur 11.0.1.
The Impact of CVE-2020-27898
The vulnerability could be exploited by an attacker to bypass Managed Frame Protection, potentially leading to a denial of service.
Technical Details of CVE-2020-27898
This section provides more technical insights into the CVE.
Vulnerability Description
The issue involves a denial of service vulnerability in macOS Big Sur 11.0 due to inadequate state handling.
Affected Systems and Versions
- Affected Systems: macOS Big Sur 11.0
- Versions: Less than 11.0
Exploitation Mechanism
An attacker may exploit this vulnerability to bypass Managed Frame Protection, potentially causing a denial of service.
Mitigation and Prevention
Protecting systems from CVE-2020-27898 is crucial to maintaining security.
Immediate Steps to Take
- Update macOS to version 11.0.1 to mitigate the vulnerability.
- Monitor for any unusual system behavior that could indicate an attack.
Long-Term Security Practices
- Regularly update software and security patches to prevent known vulnerabilities.
- Implement security measures to detect and block malicious activities.
Patching and Updates
- Apply security updates promptly to ensure protection against known vulnerabilities.