CVE-2022-48505 in macOS
Summary
by MITRE • 06/28/2023
This issue was addressed with improved data protection. This issue is fixed in macOS Ventura 13. An app may be able to modify protected parts of the file system
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Analysis
by VulDB Data Team • 07/20/2023
This vulnerability represents a significant security flaw in macOS that allowed unauthorized applications to modify protected system components. The issue stems from inadequate data protection mechanisms that failed to properly enforce access controls on critical file system areas. The vulnerability specifically enabled malicious or poorly designed applications to bypass normal security boundaries and alter protected portions of the operating system's file structure. This type of flaw directly impacts the principle of least privilege and can undermine the integrity of the entire operating system.
The technical nature of this vulnerability aligns with CWE-284, which addresses improper access control mechanisms within software systems. The flaw likely involved insufficient validation of application permissions when attempting to write to protected file system locations, allowing unauthorized modification of system-critical files. Attackers could potentially exploit this weakness to install malicious code, modify system binaries, or corrupt essential operating components. The vulnerability represents a failure in the operating system's mandatory access control policies that should prevent user applications from modifying protected system resources.
From an operational perspective, this vulnerability creates substantial risk for macOS users and organizations relying on the platform. An attacker could leverage this weakness to gain persistent access to compromised systems, potentially escalating privileges or establishing backdoors. The impact extends beyond individual user devices to enterprise environments where macOS systems may be subject to coordinated attacks. The vulnerability's existence suggests a broader failure in the operating system's security architecture and could enable more sophisticated attacks that combine this flaw with other exploitation techniques. This type of issue commonly maps to ATT&CK technique T1548.001, which involves privilege escalation through abuse of system permissions.
The fix implemented in macOS Ventura 13 addresses this vulnerability through enhanced data protection mechanisms that properly enforce access controls on protected file system areas. Apple's remediation likely involved strengthening the system's file system permissions model and improving validation of application access requests to protected resources. The update demonstrates the importance of maintaining robust data protection measures in operating system design and highlights the need for continuous security assessment of system components. Organizations should prioritize deployment of this security update to protect against potential exploitation attempts targeting this specific vulnerability. The resolution reinforces the critical nature of maintaining up-to-date security patches and demonstrates the ongoing evolution of operating system security controls against emerging threats.