CVE-2024-44251 in iOS
Summary
by MITRE • 10/28/2024
This issue was addressed through improved state management. This issue is fixed in iOS 18.1 and iPadOS 18.1. An attacker may be able to view restricted content from the lock screen.
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Analysis
by VulDB Data Team • 12/07/2024
This vulnerability represents a significant security flaw in Apple's mobile operating systems that allowed unauthorized access to restricted content through the lock screen interface. The issue stems from inadequate state management within the system's security architecture, specifically affecting iOS 18.0 and iPadOS 18.0 releases. The vulnerability enables attackers to bypass normal security boundaries and access sensitive information that should be protected when the device is locked, creating a serious privacy and data protection concern.
The technical implementation flaw involves improper handling of application states and security contexts when transitioning between active and locked screen states. This allows malicious actors to exploit timing windows or state inconsistencies that occur during screen lock transitions, potentially enabling them to access notifications, messages, photos, or other restricted content that should remain hidden until proper authentication occurs. The vulnerability demonstrates weaknesses in the system's security model where the state management mechanisms fail to properly enforce access controls during device state changes.
From an operational impact perspective, this vulnerability creates substantial risk for users who rely on their mobile devices for sensitive personal or professional information. Attackers could potentially exploit this issue to gain unauthorized access to confidential data without requiring device unlock credentials, making it particularly concerning for enterprise users and individuals handling sensitive information. The vulnerability affects the fundamental security promise of mobile device lock screens, which are designed to prevent unauthorized access to device contents.
The fix implemented in iOS 18.1 and iPadOS 18.1 addresses this through enhanced state management protocols that properly enforce access controls during screen lock transitions. This remediation aligns with security best practices outlined in the CWE 284 - Improper Access Control category, which specifically addresses inadequate access control mechanisms in software systems. The update strengthens the security boundary enforcement that prevents unauthorized access to device content, particularly when transitioning between different device states.
Security professionals should prioritize this update for all affected devices, as the vulnerability represents a direct breach of device security boundaries. The fix demonstrates Apple's approach to addressing state management vulnerabilities through systematic security improvements rather than temporary workarounds. Organizations should conduct comprehensive security assessments to ensure all devices are updated and monitor for potential exploitation attempts. This vulnerability also highlights the importance of proper state management in mobile security architectures and the need for continuous security testing during device state transitions, aligning with ATT&CK framework techniques related to privilege escalation and credential access through system weaknesses.