CVE-2022-33706 in Samsung
Summary
by MITRE • 07/12/2022
Improper access control vulnerability in Samsung Gallery prior to version 13.1.05.8 allows physical attackers to access the pictures using S Pen air gesture.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 07/23/2022
The vulnerability CVE-2022-33706 represents a critical improper access control flaw within Samsung Gallery application versions prior to 13.1.05.8, specifically exploiting the S Pen air gesture functionality to enable unauthorized picture access. This vulnerability exists at the intersection of hardware interaction and software security controls, creating a pathway for physical attackers to bypass traditional authentication mechanisms. The flaw demonstrates how mobile device peripherals can introduce unexpected attack vectors when not properly secured against unauthorized access attempts.
The technical implementation of this vulnerability stems from insufficient validation of user intent and authentication status during S Pen air gesture operations. When users perform specific air gestures with the S Pen near the device screen, the Gallery application fails to properly verify whether the gesture originates from an authenticated user or an unauthorized physical attacker. This improper access control mechanism allows malicious actors to leverage the S Pen's gesture recognition system to navigate through protected photo galleries without proper authentication. The vulnerability operates at the application layer and specifically targets the gesture-based interface components that should normally require user authentication before executing sensitive operations.
From an operational impact perspective, this vulnerability creates a significant security risk for Samsung device users who store sensitive or personal photographs in the Gallery application. Physical attackers with access to a target device can exploit this flaw to gain unauthorized access to private photo collections, potentially compromising personal privacy, business confidential information, or sensitive digital assets. The attack vector is particularly concerning because it requires minimal technical expertise and can be executed using standard S Pen gestures that are commonly available on Samsung devices. This vulnerability effectively undermines the device's built-in security controls and could enable data exfiltration, identity theft, or other malicious activities that exploit the compromised photo data.
The security implications of this vulnerability align with CWE-284, which addresses improper access control issues in software systems. This classification indicates that the flaw represents a fundamental breakdown in authorization mechanisms that should prevent unauthorized access to protected resources. Additionally, this vulnerability can be categorized under ATT&CK technique T1552.001, which involves unauthorized access to data through physical access or manipulation of device interfaces. The attack surface is expanded by the integration of hardware peripherals with software security controls, demonstrating the importance of holistic security approaches that consider both software and hardware interaction points. Organizations should implement immediate mitigations including mandatory firmware updates, device encryption enforcement, and user education regarding the risks of physical device access.
The remediation approach for this vulnerability requires Samsung to implement proper authentication checks before executing S Pen gesture operations within the Gallery application. This includes verifying user authentication status, implementing additional gesture validation mechanisms, and ensuring that all hardware interaction points maintain appropriate security boundaries. Security updates should enforce strict access control policies that prevent unauthorized access to protected media files regardless of the input method used. Device administrators should also consider implementing additional security measures such as screen lock policies, biometric authentication requirements, and regular security audits of peripheral interaction components to prevent similar vulnerabilities from emerging in other device functionalities.