Learn about CVE-2021-30672, a critical memory corruption vulnerability in macOS that allows a malicious application to gain root privileges. Find out about affected systems, impact, and mitigation steps.
A memory corruption issue in macOS has been addressed with improved state management, affecting versions less than 11.4 and less than 2021. This could allow a malicious application to gain root privileges.
Understanding CVE-2021-30672
This CVE record highlights a critical memory corruption vulnerability in macOS systems that could lead to privilege escalation.
What is CVE-2021-30672?
CVE-2021-30672 is a memory corruption issue in macOS that enables a malicious application to exploit improved state management, potentially granting unauthorized root access to the system.
The Impact of CVE-2021-30672
The impact of this vulnerability is significant as it allows threat actors to execute arbitrary code with elevated permissions, potentially leading to complete system compromise.
Technical Details of CVE-2021-30672
This section delves into the specifics of the vulnerability, including its description, affected systems, and exploitation mechanism.
Vulnerability Description
A memory corruption issue has been identified in macOS, specifically impacting versions below 11.4 and 2021. Apple has addressed this issue in macOS Big Sur 11.4, Security Update 2021-004 Catalina, and Security Update 2021-005 Mojave.
Affected Systems and Versions
The vulnerability affects macOS versions prior to 11.4 and 2021, potentially leaving systems susceptible to unauthorized privilege escalation.
Exploitation Mechanism
By exploiting this vulnerability, a malicious application can manipulate state management in macOS, allowing it to gain root privileges and execute unauthorized commands.
Mitigation and Prevention
This section outlines crucial steps to mitigate the risk posed by CVE-2021-30672 and prevent potential exploitation.
Immediate Steps to Take
Users should update their macOS systems to the latest versions immediately to patch the identified vulnerability and prevent potential privilege escalation attacks.
Long-Term Security Practices
Implementing robust security measures such as regular system updates, security monitoring, and access controls can help mitigate the risk of similar vulnerabilities in the future.
Patching and Updates
Regularly checking for and applying security patches released by Apple is essential to ensure that systems remain protected against known vulnerabilities.