CVE-2024-27789 in macOS
Summary
by MITRE • 05/14/2024
A logic issue was addressed with improved checks. This issue is fixed in iOS 16.7.8 and iPadOS 16.7.8, macOS Monterey 12.7.5, macOS Sonoma 14.4, macOS Ventura 13.6.7. An app may be able to access user-sensitive data.
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Analysis
by VulDB Data Team • 04/03/2026
The vulnerability identified as CVE-2024-27789 represents a logic flaw in Apple's operating systems that could potentially allow unauthorized access to user-sensitive data. This issue was resolved through improved validation checks in multiple Apple platforms including iOS 16.7.8, iPadOS 16.7.8, macOS Monterey 12.7.5, macOS Sonoma 14.4, and macOS Ventura 13.6.7. The vulnerability falls under the category of logic flaws that typically arise from insufficient input validation or improper state management within applications. Such issues are particularly concerning as they often exploit the inherent trust relationships between system components and user applications.
The technical nature of this vulnerability stems from inadequate checks that would normally prevent an application from accessing data it should not be authorized to retrieve. When an application can bypass normal access controls or data validation mechanisms, it creates a pathway for potential data leakage or unauthorized information disclosure. This type of vulnerability is classified as a logic issue according to the CWE (Common Weakness Enumeration) taxonomy, specifically aligning with CWE-840 which covers logic flaws that can lead to improper access control. The flaw likely involves insufficient validation of application permissions or improper handling of data access requests that should be restricted based on user context or application privileges.
The operational impact of CVE-2024-27789 extends beyond simple data exposure, as it represents a potential vector for more sophisticated attacks that could leverage the unauthorized data access for further exploitation. Attackers could potentially use this vulnerability to gather sensitive user information, which might include personal data, communication records, or other private information that applications should normally be restricted from accessing. This weakness creates a persistent risk for users whose devices are running affected versions of Apple's operating systems, as the vulnerability could be exploited by malicious applications or through supply chain attacks targeting legitimate software. The impact is particularly significant given Apple's ecosystem approach where applications have varying levels of access and trust relationships that are typically enforced through robust security mechanisms.
Mitigation strategies for this vulnerability primarily focus on immediate system updates to the patched versions mentioned in the advisory. Users and organizations should prioritize updating their Apple devices to ensure the improved validation checks are implemented. System administrators should conduct comprehensive inventory assessments to identify all affected devices and establish update schedules that minimize operational disruption. Additionally, security monitoring should be enhanced to detect any unusual application behavior that might indicate exploitation attempts. The remediation approach aligns with ATT&CK framework techniques related to privilege escalation and credential access, where maintaining up-to-date system patches represents a fundamental defensive measure against exploitation attempts. Organizations should also consider implementing application whitelisting policies and enhanced monitoring of application access patterns to detect potential abuse of this vulnerability before it can be fully exploited in the wild.