CVE-2021-30709
macOS vulnerability analysis and mitigation

Overview

CVE-2021-30709 is a security vulnerability discovered in Apple's Model I/O component that affects multiple Apple operating systems including macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6. The vulnerability was discovered by Mickey Jin (@patch1t) of Trend Micro and was patched in May 2021 (Apple Support).

Technical details

The vulnerability is related to processing maliciously crafted USD files which may lead to memory contents disclosure. The issue was addressed with improved checks in the Model I/O component (Apple Support, Apple Support).

Impact

When exploited, this vulnerability allows an attacker to disclose memory contents through processing of maliciously crafted USD files. This could potentially lead to exposure of sensitive information stored in memory (Apple Support).

Mitigation and workarounds

Apple has addressed this vulnerability by implementing improved checks in the affected systems. Users should update to macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave, iOS 14.6 or iPadOS 14.6 or later versions to mitigate this vulnerability (Apple Support).

Additional resources


SourceThis report was generated using AI

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