CVE-2023-42842 in macOS
Summary
by MITRE • 10/25/2023
The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14.1. An app may be able to access sensitive user data.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 11/17/2023
The vulnerability identified as CVE-2023-42842 represents a security flaw in macOS Sonoma 14.1 that could potentially allow applications to access sensitive user data without proper authorization. This issue was resolved through enhanced validation mechanisms implemented by Apple in their operating system update. The flaw falls under the category of insufficient access control, which is commonly categorized as CWE-284 in the Common Weakness Enumeration framework, indicating improper access control that could lead to unauthorized data access.
The technical nature of this vulnerability suggests that certain applications may have been able to bypass normal security boundaries that should prevent them from accessing user data they should not be authorized to read. This type of flaw typically arises from inadequate sandboxing mechanisms or improper validation of application permissions within the operating system's security model. The issue demonstrates how even minor oversights in access control implementations can create significant security risks for end users.
From an operational perspective, this vulnerability could have allowed malicious or poorly designed applications to access sensitive user information including personal documents, communications, or other private data stored on the system. The impact would be particularly concerning given that macOS users often store confidential information on their devices, making such unauthorized access a serious privacy and security concern. The vulnerability's resolution through macOS Sonoma 14.1 update indicates that Apple recognized the potential risk to user data confidentiality and took proactive steps to address it.
The mitigation strategy for this vulnerability involves ensuring all affected systems are updated to macOS Sonoma 14.1 or later versions where the improved checks have been implemented. Security administrators should prioritize deployment of this update across all managed devices and conduct verification to confirm that the security enhancements are properly applied. Additionally, organizations should review their application deployment policies to ensure that only trusted applications are granted access to sensitive system resources. This vulnerability aligns with ATT&CK technique T1059 which involves executing malicious code through application interfaces, and T1070 which covers indicator removal through system modification, highlighting the importance of maintaining updated security controls to prevent exploitation of such access control weaknesses.