CVE-2021-30735 : What You Need to Know
Learn about CVE-2021-30735, a macOS vulnerability allowing arbitrary code execution with kernel privileges. Find out its impact, affected systems, and mitigation steps.
A malicious application may be able to execute arbitrary code with kernel privileges in macOS. The issue has been fixed in macOS Big Sur 11.4 and Security Updates for Catalina and Mojave. Read on to understand the impact, technical details, and mitigation strategies related to CVE-2021-30735.
Understanding CVE-2021-30735
This section provides insights into the nature and implications of the CVE-2021-30735 vulnerability.
What is CVE-2021-30735?
CVE-2021-30735 involves a vulnerability where a malicious application can execute arbitrary code with kernel privileges on macOS systems.
The Impact of CVE-2021-30735
The vulnerability allows threat actors to potentially exploit the affected systems, leading to unauthorized code execution and compromising the security and integrity of the system.
Technical Details of CVE-2021-30735
Explore the specific technical aspects of CVE-2021-30735 to better understand the vulnerability.
Vulnerability Description
An out-of-bounds write issue was identified and resolved with improved bounds checking, addressing the vulnerability.
Affected Systems and Versions
The vulnerability affects macOS versions prior to 11.4 and unspecified versions released before 2021.
Exploitation Mechanism
By exploiting this vulnerability, a malicious application can gain kernel privileges and execute arbitrary code on the target macOS system.
Mitigation and Prevention
Discover the steps to mitigate the risks associated with CVE-2021-30735 and ensure the security of your systems.
Immediate Steps to Take
Users are advised to update their macOS systems to version 11.4 or the latest Security Updates for Catalina and Mojave to prevent exploitation of this vulnerability.
Long-Term Security Practices
Implementing security best practices, such as regular system updates, threat monitoring, and endpoint protection, can help prevent similar vulnerabilities in the future.
Patching and Updates
Stay informed about security patches and updates released by Apple for macOS to address known vulnerabilities and enhance system security.