CVE-2022-25832 in S Secure
Summary
by MITRE • 04/12/2022
Improper authentication vulnerability in S Secure prior to SMR Apr-2022 Release 1 allows physical attackers to use locked Myfiles app without authentication.
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Analysis
by VulDB Data Team • 04/17/2022
The vulnerability identified as CVE-2022-25832 represents a critical improper authentication flaw within the S Secure mobile security platform, specifically affecting versions prior to the April 2022 Security Maintenance Release 1. This weakness manifests in the Myfiles application component where physical access to a locked device enables unauthorized individuals to bypass authentication mechanisms and access protected file storage. The vulnerability exploits a fundamental failure in the security architecture that should have enforced proper authentication checks even when the device appears to be locked, creating a significant bypass opportunity for attackers who can physically interact with the target device.
The technical root cause of this vulnerability stems from inadequate session management and authentication state validation within the Myfiles application. When a device is locked, the proper security protocol should maintain strict access controls and require re-authentication before granting access to sensitive applications. However, the flaw allows the Myfiles app to maintain an authenticated state or permit access without proper credential verification, effectively creating a backdoor that operates independently of the device's lock screen security mechanisms. This issue falls under the CWE-287 category of improper authentication, which specifically addresses weaknesses where authentication mechanisms are not properly enforced or where authentication states are not correctly managed.
The operational impact of CVE-2022-25832 extends beyond simple data exposure, as it provides physical attackers with direct access to potentially sensitive files stored within the Myfiles application. This vulnerability is particularly concerning because it operates at the application level rather than requiring complex exploitation techniques or network-based attacks. The threat model encompasses individuals who gain physical possession of a locked device, whether through theft, loss, or social engineering tactics that result in device access. Attackers can immediately access personal documents, photos, videos, and other potentially sensitive data without requiring sophisticated tools or knowledge of the device's internal workings, making this vulnerability highly exploitable in real-world scenarios.
Security professionals should consider this vulnerability in relation to the broader ATT&CK framework, specifically under the T1550.001 technique for 'Brute Force: Password Guessing' and T1021.001 for 'Remote Services: Remote Desktop Protocol', as it represents a physical attack vector that bypasses traditional authentication controls. The vulnerability also aligns with the concept of 'privilege escalation' as defined in ATT&CK's T1068, where an attacker gains access to higher-privilege resources through improper authentication mechanisms. Organizations using S Secure platforms should immediately implement mitigations including updating to the April 2022 Security Maintenance Release 1, implementing additional device-level security controls, and establishing comprehensive device management policies that account for physical security risks.
Mitigation strategies for CVE-2022-25832 should prioritize immediate patch deployment to ensure all affected devices receive the necessary security updates that address the improper authentication flaw. System administrators should also consider implementing additional security measures such as enhanced encryption protocols for sensitive data, regular security audits of mobile device configurations, and comprehensive user education regarding the importance of physical device security. Organizations should establish device management policies that enforce automatic lock timeouts, require strong authentication methods, and implement remote wipe capabilities to minimize the potential impact of physical device compromise. The vulnerability serves as a reminder of the critical importance of maintaining up-to-date security patches and the necessity of comprehensive security testing that includes physical attack scenarios.