CVE-2014-1276 in iOS
Summary
by MITRE
IOKit HID Event in Apple iOS before 7.1 allows attackers to conduct user-action monitoring attacks against arbitrary apps via a crafted app that accesses an IOKit framework interface.
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Analysis
by VulDB Data Team • 05/08/2026
The vulnerability identified as CVE-2014-1276 represents a critical security flaw in Apple iOS versions prior to 7.1 that affects the IOKit HID (Human Interface Device) event handling mechanism. This issue resides within the kernel-level framework responsible for managing hardware input devices such as keyboards, mice, and touchscreens, creating a pathway for malicious actors to monitor user interactions across arbitrary applications. The vulnerability specifically exploits weaknesses in the IOKit framework's interface access controls, allowing crafted applications to bypass normal security boundaries and intercept user input events that should remain isolated to their respective applications.
The technical nature of this flaw stems from inadequate access control mechanisms within the IOKit HID event processing subsystem. When applications attempt to access IOKit framework interfaces for hardware event handling, the system fails to properly validate whether the requesting application has legitimate authorization to monitor events from other applications. This misconfiguration creates a privilege escalation scenario where malicious software can register for HID event notifications and subsequently capture keystrokes, mouse movements, and other user interactions without proper authorization. The vulnerability operates at the kernel level, making it particularly dangerous as it can circumvent traditional application sandboxing mechanisms that typically protect user privacy and application integrity.
The operational impact of this vulnerability extends beyond simple keystroke logging to encompass comprehensive user-action monitoring capabilities that could compromise sensitive information across all applications. Attackers could potentially harvest login credentials, personal communications, financial data, and other confidential information by monitoring user interactions with any application on the device. The implications are severe given that iOS devices typically store substantial amounts of personal and corporate data, making this vulnerability particularly attractive to threat actors seeking persistent access to target systems. This capability enables sophisticated surveillance operations that could remain undetected for extended periods, as the monitoring occurs at a level below traditional application security controls and user awareness mechanisms.
Mitigation strategies for CVE-2014-1276 require immediate system updates to iOS version 7.1 or later, which contain the necessary patches to correct the IOKit framework access control issues. Organizations should implement comprehensive mobile device management policies that enforce timely security updates and monitor for unauthorized applications that might attempt to exploit this vulnerability. The remediation process involves not only updating the operating system but also conducting thorough security assessments of existing applications to ensure they do not contain malicious code designed to exploit this weakness. Security professionals should also consider implementing network monitoring solutions that can detect anomalous behavior patterns consistent with user-action monitoring activities, as this vulnerability could be leveraged in targeted attacks against high-value corporate assets or individuals.
This vulnerability aligns with CWE-284, which describes inadequate access control in software systems, and maps to ATT&CK technique T1056.001 for input capture through keyboard logging. The flaw demonstrates how kernel-level vulnerabilities can provide attackers with unprecedented access to user data and system interactions, highlighting the critical importance of maintaining up-to-date security patches and implementing comprehensive security monitoring strategies. Organizations should treat this vulnerability as a high-priority threat requiring immediate attention and remediation to protect against potential exploitation in real-world attack scenarios.