CVE-2025-30463 in macOS
Summary
by MITRE • 04/01/2025
The issue was addressed with improved restriction of data container access. This issue is fixed in iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4. An app may be able to access sensitive user data.
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Analysis
by VulDB Data Team • 04/01/2025
The vulnerability identified as CVE-2025-30463 represents a significant security flaw in Apple's operating systems that could potentially allow unauthorized access to sensitive user data. This issue specifically relates to inadequate restrictions on data container access within the iOS and macOS ecosystems, creating a potential pathway for malicious applications to exploit system boundaries and gain access to user information that should remain protected. The vulnerability was addressed through enhanced access controls and improved data container restrictions, demonstrating the ongoing challenge of maintaining robust security boundaries in complex operating system architectures.
The technical implementation of this flaw likely involves insufficient validation of application permissions or inadequate sandboxing mechanisms that govern how applications interact with user data containers. This type of vulnerability typically falls under the category of privilege escalation or information disclosure issues, where an application with limited permissions can potentially access data containers belonging to other applications or system components. The fix implemented by Apple in iOS 18.4 and iPadOS 18.4, along with macOS Sequoia 15.4, involves strengthening the access control mechanisms that govern data container interactions, effectively closing the gap that allowed unauthorized data access. This aligns with common security practices for addressing containerization and sandboxing vulnerabilities, which are often categorized under CWE-284 (Improper Access Control) or similar access control weakness classifications.
The operational impact of this vulnerability extends beyond simple data exposure, as it could potentially enable more sophisticated attacks that leverage the compromised access to gather intelligence or escalate privileges within the affected systems. Attackers could exploit this weakness to access personal information, communications data, or other sensitive user content that applications should not be able to access without proper authorization. The vulnerability affects a broad range of Apple devices including iPhones, iPads, and Mac computers running the affected versions, making it a widespread concern for users who rely on Apple's security model for protecting their personal data. Organizations and individuals using these operating systems would need to ensure immediate updates to protect against potential exploitation of this access control weakness.
Mitigation strategies for this vulnerability primarily involve prompt deployment of the security updates released by Apple, specifically iOS 18.4, iPadOS 18.4, and macOS Sequoia 15.4. Users should also maintain awareness of the potential risks associated with granting excessive permissions to applications and should regularly review application access settings. Security professionals should monitor for potential exploitation attempts that may target this vulnerability, particularly in environments where Apple devices are used for sensitive operations. The fix addresses the underlying access control mechanisms through enhanced container restrictions, which aligns with ATT&CK framework techniques related to privilege escalation and credential access. This vulnerability demonstrates the critical importance of maintaining strong application sandboxing and access control policies, as well as the necessity of regular security updates to address emerging threats in mobile and desktop operating systems. Organizations should consider implementing additional monitoring for unusual application behavior or unauthorized data access patterns that could indicate exploitation attempts against similar access control vulnerabilities.