CVE-2021-30937 : Vulnerability Insights and Analysis
Learn about CVE-2021-30937, a memory corruption vulnerability affecting watchOS, iOS, iPadOS, and macOS. Find out the impact, affected versions, and mitigation steps.
A memory corruption vulnerability was addressed with improved locking. This vulnerability affects various Apple products such as macOS, iOS, iPadOS, and watchOS. The issue allows a malicious application to execute arbitrary code with kernel privileges.
Understanding CVE-2021-30937
This CVE references a memory corruption vulnerability in multiple Apple products, potentially allowing unauthorized code execution with elevated privileges.
What is CVE-2021-30937?
CVE-2021-30937 is a memory corruption vulnerability that affects watchOS, iOS and iPadOS, macOS, and other Apple products. It permits a malicious application to run arbitrary code with kernel privileges.
The Impact of CVE-2021-30937
The impact of this vulnerability is severe as it can lead to unauthorized code execution on affected devices, compromising the security and integrity of the system.
Technical Details of CVE-2021-30937
This section provides detailed technical insights into the vulnerability affecting multiple Apple products.
Vulnerability Description
The vulnerability is a memory corruption issue that was addressed by enhancing locking mechanisms in the affected products. Apple released security updates to patch this vulnerability.
Affected Systems and Versions
- watchOS: Less than version 8.3
- iOS and iPadOS: Less than version 15.2
- macOS: Less than versions 12.1, 11.6, and 15.2, as well as versions prior to 2021
Exploitation Mechanism
A malicious application can exploit this vulnerability to execute arbitrary code with kernel-level privileges, potentially leading to system compromise.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-30937, immediate steps should be taken to secure the affected systems.
Immediate Steps to Take
Users are advised to update their devices to the latest software versions provided by Apple to address this vulnerability.
Long-Term Security Practices
In the long term, users should maintain a regular patching schedule and stay vigilant for security updates from the vendor.
Patching and Updates
Apple has released patches for the affected products including macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2, and iPadOS 15.2.