CVE-2021-30933 : Security Advisory and Response
CVE-2021-30933 addresses a race condition in macOS versions less than 11.6 and less than 12.0, allowing a malicious application to execute arbitrary code with kernel privileges. Update to macOS Monterey 12.0.1 or macOS Big Sur 11.6 for protection.
A race condition in macOS has been addressed with improved state handling, affecting versions less than 11.6 and less than 12.0. This vulnerability allows a malicious application to execute arbitrary code with kernel privileges.
Understanding CVE-2021-30933
This CVE relates to a race condition vulnerability in macOS that could lead to arbitrary code execution with kernel privileges.
What is CVE-2021-30933?
CVE-2021-30933 is a vulnerability in macOS versions less than 11.6 and less than 12.0 that allows a malicious application to trigger a race condition and execute arbitrary code with kernel privileges.
The Impact of CVE-2021-30933
The impact of this CVE is significant, as it provides attackers with the ability to run code with elevated privileges, potentially leading to system compromise and data theft.
Technical Details of CVE-2021-30933
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The vulnerability arises due to a race condition that has been mitigated through improved state handling. The fix is available in macOS Monterey 12.0.1 and macOS Big Sur 11.6.
Affected Systems and Versions
The vulnerability affects macOS versions less than 11.6 and less than 12.0.
Exploitation Mechanism
A malicious application can exploit this vulnerability to execute arbitrary code with kernel privileges, potentially leading to system compromise.
Mitigation and Prevention
To safeguard systems from CVE-2021-30933, certain steps need to be taken.
Immediate Steps to Take
Users are advised to update their macOS systems to the fixed versions – macOS Monterey 12.0.1 or macOS Big Sur 11.6. Regularly check for security updates to stay protected.
Long-Term Security Practices
Implement robust security practices including regularly updating systems, using reputable security software, and exercising caution while installing applications.
Patching and Updates
Stay informed about security patches released by Apple for macOS and apply them promptly to mitigate the risk of exploitation.