CVE-2021-1806 Explained : Impact and Mitigation
Learn about CVE-2021-1806, a critical vulnerability in macOS that allows arbitrary code execution with kernel privileges. Find out how to mitigate the risk and apply necessary patches.
A race condition vulnerability was identified and fixed in macOS Big Sur 11.2.1, macOS Catalina 10.15.7 Supplemental Update, macOS Mojave 10.14.6 Security Update 2021-002. This vulnerability could allow an application to execute arbitrary code with kernel privileges.
Understanding CVE-2021-1806
This section provides detailed insights into the CVE-2021-1806 vulnerability.
What is CVE-2021-1806?
CVE-2021-1806 is a race condition vulnerability in macOS that allows an application to execute arbitrary code with kernel privileges.
The Impact of CVE-2021-1806
The impact of this vulnerability is severe as it enables unauthorized execution of arbitrary code with elevated kernel privileges.
Technical Details of CVE-2021-1806
Explore the technical aspects of the CVE-2021-1806 vulnerability below.
Vulnerability Description
The vulnerability originates from a race condition that lacks proper validation, potentially leading to arbitrary code execution with kernel privileges.
Affected Systems and Versions
macOS versions less than 11.2 are affected by CVE-2021-1806, including macOS Big Sur, macOS Catalina, and macOS Mojave.
Exploitation Mechanism
An application could exploit this vulnerability to gain unauthorized access and execute malicious code with elevated kernel privileges.
Mitigation and Prevention
Learn how to protect your system from CVE-2021-1806 and prevent any potential security risks.
Immediate Steps to Take
Users are advised to update their macOS systems to versions where the vulnerability has been patched, such as macOS Big Sur 11.2.1, macOS Catalina 10.15.7 Supplemental Update, or macOS Mojave 10.14.6 Security Update 2021-002.
Long-Term Security Practices
Practice good security hygiene by keeping your operating system and applications up to date, using strong passwords, and exercising caution while installing new software.
Patching and Updates
Regularly check for security updates from Apple and promptly apply any patches released to address known vulnerabilities.