CVE-2022-32871 in iOS
Summary
by MITRE • 04/10/2023
A logic issue was addressed with improved restrictions. This issue is fixed in iOS 16. A person with physical access to a device may be able to use Siri to access private calendar information
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Analysis
by VulDB Data Team • 06/04/2026
The vulnerability identified as CVE-2022-32871 represents a significant security flaw in Apple's iOS operating system that stems from inadequate access controls and logic restrictions within the Siri voice assistant functionality. This issue specifically affects devices running iOS versions prior to 16, creating a pathway for unauthorized information disclosure through a seemingly benign user interaction. The vulnerability exploits a fundamental weakness in how the system handles voice command processing and access permissions, allowing malicious actors to bypass normal security boundaries through physical device access.
The technical nature of this flaw lies in the improper validation of user context and authentication state during Siri command processing. When a user with physical access to an iOS device invokes Siri, the system should verify appropriate authorization levels before executing commands that could access sensitive data. However, the logic error in iOS 16 and earlier versions fails to properly enforce these restrictions, enabling a person with physical possession of the device to craft specific voice commands that can access private calendar information without proper authentication. This represents a classic case of insufficient authorization checks that falls under the CWE-284 access control weakness category.
The operational impact of this vulnerability extends beyond simple information disclosure, creating potential risks for personal privacy and corporate data security. An attacker with physical access to a device could potentially extract sensitive calendar information including meeting schedules, personal appointments, and other confidential data that might contain proprietary information or personal details. This vulnerability is particularly concerning in enterprise environments where iOS devices may contain sensitive business information, and the attack vector requires minimal technical expertise to exploit. The issue demonstrates how voice assistant technologies can inadvertently create security gaps when proper access control mechanisms are not implemented consistently across all system components.
The fix implemented in iOS 16 addresses this vulnerability through enhanced restrictions and improved logic controls within the Siri processing framework. Apple's remediation approach likely involves strengthening the authentication checks that occur during voice command execution and ensuring that sensitive data access is properly gated regardless of how the command is initiated. Organizations should prioritize immediate deployment of iOS 16 updates to protect their device fleets from exploitation attempts. Security teams should also consider implementing additional monitoring for unusual voice command patterns that might indicate attempted exploitation of this vulnerability, aligning with ATT&CK technique T1218 for abuse of web services and T1070 for indicator removal. The vulnerability serves as a reminder of the importance of comprehensive security testing for all system components, particularly those that interface with user input mechanisms and personal data access points.