CVE-2024-54495 in macOS
Summary
by MITRE • 12/12/2024
The issue was addressed with improved permissions logic. This issue is fixed in macOS Sequoia 15.2, macOS Sonoma 14.7.2. An app may be able to modify protected parts of the file system.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 08/30/2025
This vulnerability represents a significant privilege escalation risk within Apple's macOS operating system where an application could potentially modify protected file system components through flawed permission controls. The issue stems from inadequate access control mechanisms that fail to properly restrict file system modifications, allowing malicious or compromised applications to gain unauthorized access to system-protected directories and files. The vulnerability affects multiple macOS versions including the latest releases of Sequoia 15.2 and Sonoma 14.7.2, indicating that this was a persistent flaw across the operating system's evolution. The core technical flaw involves the improper implementation of file system permission checks that should normally prevent applications from accessing or modifying critical system components, yet the flawed logic permits such modifications under certain conditions. This type of vulnerability falls under the CWE category of inadequate access control, specifically CWE-284 which addresses improper access control in software systems. From an operational perspective, this flaw creates a substantial risk for system integrity and security, as it allows applications to potentially modify critical system files, configuration data, or protected user information. The impact extends beyond simple data modification to include potential system instability, data corruption, or even complete system compromise if the modified components are core system services or security-related files. Attackers could exploit this vulnerability to install persistent backdoors, modify system binaries, or corrupt critical system data without proper authorization, effectively bypassing macOS's built-in security protections. The remediation implemented in the patched versions involves enhanced permission logic that properly enforces access controls and prevents unauthorized modifications to protected file system areas. This fix aligns with the ATT&CK framework's privilege escalation techniques, specifically targeting T1068 which covers local privilege escalation through improper access controls. The vulnerability demonstrates the critical importance of maintaining strict file system permissions and access control mechanisms in operating system design, as even minor flaws in permission logic can lead to significant security implications. Organizations should ensure immediate deployment of the patched versions to mitigate this risk, as the vulnerability could be exploited by both malicious actors and compromised applications to gain elevated privileges and undermine system security. The issue serves as a reminder of the ongoing challenge in maintaining robust access control systems in complex operating environments where multiple application contexts and user privileges must be properly managed.