CVE-2023-40405 in macOS
Summary
by MITRE • 10/25/2023
A privacy issue was addressed with improved private data redaction for log entries. This issue is fixed in macOS Sonoma 14.1. An app may be able to read sensitive location information.
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Analysis
by VulDB Data Team • 11/17/2023
The vulnerability identified as CVE-2023-40405 represents a significant privacy concern within macOS Sonoma 14.1, specifically related to inadequate redaction of sensitive location data in system logs. This issue stems from insufficient mechanisms for protecting personally identifiable information when log entries are generated by applications or system processes. The flaw allows for potential exposure of sensitive location data that should have been anonymized or redacted during log processing. The vulnerability manifests when applications access location services and generate log entries containing geolocation data that fails to be properly sanitized before storage or transmission. This represents a direct violation of privacy principles and could enable unauthorized parties to reconstruct user location patterns or identify specific locations of interest. The issue impacts the fundamental security posture of macOS systems by creating potential attack vectors for location-based reconnaissance or surveillance activities. Organizations relying on macOS environments for sensitive operations face increased risk of location data exposure that could compromise user privacy and operational security.
The technical implementation flaw occurs at the logging infrastructure level where private data redaction mechanisms fail to adequately process location information within system logs. This vulnerability aligns with CWE-532, which addresses information exposure through log files, and CWE-200, which covers information exposure to unauthorized actors. The root cause lies in the insufficient sanitization of location data during log generation processes, where geolocation coordinates, timestamps, and potentially associated metadata are not properly stripped or obfuscated before log entries are persisted. Applications that utilize location services may inadvertently create log entries containing sensitive location information that remains unredacted, creating a persistent exposure window. The vulnerability exists in the system's default configuration where location privacy controls are not automatically enforced during log processing, allowing sensitive data to leak through standard logging mechanisms. This technical gap creates a persistent risk where even properly configured applications may produce log entries containing location data that could be accessed by unauthorized users or processes with appropriate permissions.
The operational impact of CVE-2023-40405 extends beyond individual privacy concerns to encompass broader security implications for enterprise environments and user data protection. Organizations utilizing macOS Sonoma 14.1 systems face potential exposure of sensitive operational data including user movement patterns, workplace locations, residential addresses, and other geolocation information that could be exploited for targeted attacks or social engineering operations. The vulnerability creates a persistent threat surface where location data remains accessible through log file analysis, potentially enabling adversaries to track user behavior over time or identify specific locations of interest. This exposure can compromise security operations by revealing sensitive location information that may be used for physical security assessments or targeted attacks against individuals or organizations. The impact is particularly severe for users in high-risk environments where location exposure could lead to physical safety concerns or targeted harassment. Security teams must consider the implications of this vulnerability when assessing their overall security posture and implementing privacy controls.
Mitigation strategies for CVE-2023-40405 should prioritize immediate system updates to macOS Sonoma 14.1 where the vulnerability has been addressed through improved private data redaction mechanisms. Organizations should implement comprehensive log management policies that include automated redaction of location data before log entries are stored or transmitted. System administrators should conduct thorough log file audits to identify and remediate any existing location data exposure within current log repositories. The implementation of additional logging controls and access restrictions can help minimize the risk of unauthorized access to potentially sensitive log entries. Security monitoring should be enhanced to detect unusual log access patterns that might indicate attempts to extract location information from system logs. Organizations should also consider implementing network-based controls to prevent unauthorized log file transfers or access. The vulnerability highlights the importance of continuous security monitoring and regular system updates as part of comprehensive privacy protection strategies. Compliance with privacy regulations such as gdpr and ccpa requires organizations to ensure that location data is properly protected throughout the system lifecycle, and this vulnerability demonstrates the critical need for proper data redaction mechanisms in all system components.