CVE-2021-30795 : What You Need to Know

A use-after-free vulnerability in Apple products has been identified and fixed in various versions of iOS, macOS, watchOS, and tvOS to prevent arbitrary code execution when processing malicious web content.

Understanding CVE-2021-30795

This CVE refers to a critical vulnerability in Apple's software that could allow attackers to execute arbitrary code by exploiting a use-after-free issue in the memory management.

What is CVE-2021-30795?

CVE-2021-30795 is a security flaw in Apple's products, including iOS, macOS, watchOS, and tvOS, that could lead to arbitrary code execution if a user interacts with specially crafted web content.

The Impact of CVE-2021-30795

The exploitation of this vulnerability could result in an attacker executing malicious code on the affected devices, potentially compromising user data and system integrity.

Technical Details of CVE-2021-30795

This section provides specific details about the vulnerability affecting Apple products and versions.

Vulnerability Description

The vulnerability arises from a use-after-free issue in memory management, which has been addressed in iOS 14.7, Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6, and tvOS 14.7.

Affected Systems and Versions

The vulnerability impacts various versions of iOS, macOS, watchOS, and tvOS, including those less than iOS 14.7, macOS 11.5, macOS 14.7, watchOS 7.6, and tvOS 14.1.

Exploitation Mechanism

Attackers could exploit this vulnerability by tricking a user into accessing specially crafted web content, leading to the execution of arbitrary code.

Mitigation and Prevention

To protect systems from potential exploitation, immediate actions and long-term security practices are essential.

Immediate Steps to Take

Users are advised to update their Apple devices to the latest available versions to mitigate the risk of exploitation.

Long-Term Security Practices

Implementing best security practices such as avoiding suspicious links and regularly updating software can enhance the overall security posture.

Patching and Updates

Apple has released patches for iOS 14.7, Safari 14.1.2, macOS Big Sur 11.5, watchOS 7.6, and tvOS 14.7 to address the vulnerability and prevent potential exploitation.