CVE-2021-30713 : Security Advisory and Response

A permissions issue in macOS was addressed with improved validation in macOS Big Sur 11.4. This issue allowed a malicious application to bypass Privacy preferences, with reports of active exploitation acknowledged by Apple.

Understanding CVE-2021-30713

This CVE ID pertains to a permissions issue in macOS that could be exploited by a malicious application to bypass Privacy preferences, potentially leading to unauthorized access.

What is CVE-2021-30713?

CVE-2021-30713 refers to a vulnerability in macOS Big Sur versions prior to 11.4 that allowed malicious applications to circumvent Privacy preferences, posing a security risk to user data and system integrity.

The Impact of CVE-2021-30713

The impact of this CVE is significant as it potentially enables unauthorized access to sensitive information by bypassing Privacy preferences in macOS. Apple has confirmed the exploitation of this issue in the wild.

Technical Details of CVE-2021-30713

This section covers specific technical details related to CVE-2021-30713.

Vulnerability Description

The vulnerability involved a flaw in the permissions validation process of macOS, allowing malicious apps to bypass Privacy controls.

Affected Systems and Versions

macOS Big Sur versions earlier than 11.4 are affected by this vulnerability, making them susceptible to exploitation by unauthorized applications.

Exploitation Mechanism

Malicious applications could exploit this vulnerability to override Privacy preferences in macOS, potentially gaining access to sensitive user data.

Mitigation and Prevention

Here are the measures to mitigate and prevent the CVE-2021-30713 vulnerability.

Immediate Steps to Take

Users should update their macOS systems to version 11.4 or higher to patch the vulnerability and prevent exploitation by malicious applications.

Long-Term Security Practices

Maintain regular software updates, employ strong security measures, and exercise caution while granting permissions to applications to enhance system security.

Patching and Updates

Apple has released macOS Big Sur 11.4 to address this vulnerability. Users are advised to install the latest updates promptly to safeguard their systems.