CVE-2022-42839 in macOS
Summary
by MITRE • 01/11/2024
This issue was addressed with improved redaction of sensitive information. This issue is fixed in iOS 16.2 and iPadOS 16.2, macOS Ventura 13.1. An app may be able to read sensitive location information.
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Analysis
by VulDB Data Team • 01/30/2024
This vulnerability represents a significant information disclosure flaw in Apple's mobile and desktop operating systems where sensitive location data could be accessed by unauthorized applications. The issue stems from inadequate redaction mechanisms that failed to properly sanitize location information before it could be exposed to potentially malicious applications. The vulnerability affects iOS 16.1 and earlier versions, iPadOS 16.1 and earlier versions, and macOS Ventura 13.0 and earlier versions, creating a widespread impact across Apple's ecosystem. The flaw allows an application to potentially read sensitive location information that should have been protected through proper access controls and data sanitization processes. This represents a critical breach in the operating system's information protection mechanisms, as location data is considered highly sensitive personal information under various privacy regulations and security frameworks.
The technical implementation of this vulnerability involves a failure in the system's data redaction protocols that should prevent unauthorized access to sensitive information. According to CWE classification, this issue falls under CWE-20: Improper Input Validation, as the system failed to properly validate and sanitize location data before making it accessible to applications. The vulnerability also aligns with ATT&CK technique T1552.001: Unsecured Credentials, as it involves the improper handling of sensitive location data that could be exploited by malicious actors. The root cause appears to be insufficient access controls and data sanitization routines that should have prevented applications from accessing raw location information. This flaw demonstrates a breakdown in the operating system's principle of least privilege implementation, where applications were granted access to location data beyond what was necessary for their legitimate functionality.
The operational impact of this vulnerability extends beyond simple data exposure, as location information can be used for various malicious purposes including tracking user movements, identifying personal routines, and enabling targeted attacks. Attackers could potentially use this information to construct detailed profiles of user behavior, identify home addresses, workplace locations, and other sensitive personal data points. The vulnerability creates a persistent threat vector that remains active until the affected systems are updated with the patched versions. Organizations relying on Apple devices for business operations face increased risk of privacy violations and potential regulatory penalties under data protection laws such as GDPR, CCPA, and other privacy frameworks. The exposure of location data through this vulnerability could enable social engineering attacks, physical security breaches, and other forms of targeted malicious activity that leverage personal location information.
The mitigation strategy for this vulnerability requires immediate deployment of the patched versions of iOS 16.2, iPadOS 16.2, and macOS Ventura 13.1. System administrators should prioritize updating all affected devices to ensure proper redaction of sensitive location information. The patch addresses the underlying issue by implementing improved data sanitization routines and strengthening access controls around location data. Organizations should conduct thorough vulnerability assessments to identify any potential exploitation attempts that may have occurred prior to the patch deployment. Additional monitoring should be implemented to detect any unusual access patterns related to location data on affected systems. Security teams should also review application permissions and access controls to ensure that only legitimate applications require access to location information. The fix aligns with security best practices outlined in NIST SP 800-53 and ISO/IEC 27001 standards for information security management, particularly in the areas of access control and data protection. Regular security audits should be conducted to verify that similar vulnerabilities do not exist in other system components and that proper information sanitization processes are maintained across all operating system functions.