CVE-2024-44267 in macOS
Summary
by MITRE • 10/28/2024
The issue was addressed with improved checks. This issue is fixed in macOS Sequoia 15.1, macOS Sonoma 14.7.1, macOS Ventura 13.7.1. A malicious application may be able to modify protected parts of the file system.
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Analysis
by VulDB Data Team • 04/07/2026
This vulnerability represents a significant file system protection bypass that affects multiple versions of apple's operating system. The issue stems from inadequate validation mechanisms that allow malicious applications to access and modify protected file system components that should remain restricted to system processes. The vulnerability was addressed through enhanced validation checks that strengthen the integrity of protected system areas. The affected versions include macos sequoia 15.1, macos sonoma 14.7.1, and macos ventura 13.7.1, indicating a widespread impact across apple's operating system ecosystem. The flaw specifically enables unauthorized modification of protected file system elements, potentially compromising system stability and security.
The technical implementation of this vulnerability involves a weakness in the operating system's access control mechanisms that govern file system modifications. Attackers could exploit this flaw to gain unauthorized access to protected system directories and files that normally require elevated privileges or system-level permissions. This represents a critical compromise in apple's security model where the boundary between user applications and protected system resources becomes porous. The vulnerability likely resides in kernel-level file system access controls or in the implementation of system call validation that should prevent unauthorized modifications to protected areas.
The operational impact of this vulnerability extends beyond simple file system corruption to potentially enable more sophisticated attack vectors. Malicious applications could leverage this flaw to modify system binaries, alter security configurations, or establish persistent backdoors within the operating system. The ability to modify protected file system components undermines fundamental security assumptions and could allow attackers to bypass security controls that are essential for maintaining system integrity. This vulnerability particularly concerns security professionals because it affects core operating system functionality that is critical for maintaining trust in the computing environment.
Mitigation strategies for this vulnerability should focus on immediate system updates to the patched versions of macos mentioned in the advisory. System administrators should prioritize deployment of the security updates across all affected systems to ensure protection against exploitation. Additional defensive measures include implementing application whitelisting policies, monitoring for unusual file system modifications, and conducting regular security audits of protected system areas. The fix addresses the root cause by strengthening access control validation, which aligns with security best practices outlined in the common weakness enumeration framework. Organizations should also consider implementing endpoint detection and response solutions that can identify suspicious file system activities that might indicate exploitation attempts.
This vulnerability demonstrates the ongoing challenge of maintaining secure operating system environments as complexity increases. The fix represents a typical security improvement that enhances system integrity controls, but it also highlights the importance of continuous security assessment and patch management. The attack surface reduction achieved through this patch aligns with the principle of least privilege and helps prevent unauthorized modifications to critical system components. Security professionals should view this vulnerability as part of the broader threat landscape where attackers increasingly target operating system internals to achieve persistent access and control over computing environments.