CVE-2020-10004: 
macOS vulnerability analysis and mitigation

CVE-2020-10004 is a vulnerability discovered in Apple's Model I/O component that was disclosed and patched in November 2020. The vulnerability is characterized as a logic issue in the handling of maliciously crafted files that could lead to unexpected application termination or arbitrary code execution. The affected systems include macOS Big Sur 11.0.1, iOS 14.2, iPadOS 14.2, and tvOS 14.2 (Apple Support, Apple Security).

The vulnerability stems from a logic issue in the Model I/O component that was addressed with improved state management. When processing maliciously crafted files, the vulnerability could be triggered, potentially leading to application termination or arbitrary code execution. The issue was discovered by Aleksandar Nikolic of Cisco Talos (Apple Support).

The vulnerability could allow an attacker to cause unexpected application termination or execute arbitrary code by getting a target to open a maliciously crafted file. This could potentially lead to unauthorized access or control of affected systems (Apple Support).

The vulnerability requires a user to open a maliciously crafted file to be exploited. There are no reports of this vulnerability being actively exploited in the wild (Apple Support).

Apple addressed this vulnerability by implementing improved state management in the Model I/O component. The fix was released in macOS Big Sur 11.0.1, iOS 14.2, iPadOS 14.2, and tvOS 14.2. Users are advised to update their systems to these versions or later to protect against this vulnerability (Apple Support, Apple Security).