CVE-2015-1599 in SPCanywhere
Summary
by MITRE
The Siemens SPCanywhere application for iOS allows physically proximate attackers to bypass intended access restrictions by leveraging a filesystem architectural error.
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Analysis
by VulDB Data Team • 05/01/2022
The Siemens SPCanywhere application for iOS presents a significant security vulnerability classified as CVE-2015-1599, which stems from a fundamental filesystem architectural error that compromises the application's access control mechanisms. This vulnerability specifically affects the iOS implementation of Siemens SPCanywhere, a mobile application designed for industrial process control and monitoring in manufacturing environments. The flaw allows attackers who are physically present in the proximity of an iOS device to circumvent the intended security restrictions that should protect sensitive industrial data and control interfaces.
The technical nature of this vulnerability lies in the application's improper handling of filesystem permissions and access controls within the iOS operating system environment. When an attacker gains physical proximity to a device running SPCanywhere, they can exploit the architectural error to access files and data that should normally be restricted to authorized users only. This filesystem error essentially creates an unauthorized access path that bypasses the application's built-in security measures, potentially allowing malicious actors to extract sensitive industrial process information, configuration data, or control parameters that are critical to operational technology systems.
The operational impact of this vulnerability extends beyond simple data exposure, as it represents a critical weakness in the security architecture of industrial control systems. In manufacturing and industrial environments where Siemens SPCanywhere is deployed, this vulnerability could enable attackers to gain unauthorized access to process control data, potentially leading to operational disruption, safety hazards, or even physical damage to industrial equipment. The proximity requirement means that the attack vector is relatively straightforward to execute in environments where physical access to devices is possible, making it particularly concerning for facilities with inadequate physical security controls.
From a cybersecurity perspective, this vulnerability aligns with CWE-284, which addresses improper access control issues in software systems, and demonstrates how mobile applications in industrial contexts can present unique security challenges. The ATT&CK framework would categorize this as a privilege escalation technique, where an attacker leverages physical proximity to gain elevated access rights within the application's security model. Organizations implementing Siemens SPCanywhere in industrial environments face heightened risk when physical security controls are insufficient, as the vulnerability essentially transforms any person with physical access to a device into a potential security threat. The remediation approach requires either application-level patches to correct the filesystem architectural error or implementation of additional physical security measures to prevent unauthorized access to devices running the vulnerable software.
This vulnerability highlights the critical importance of secure application design in industrial control systems, where mobile applications often serve as gateways to critical infrastructure. The risk assessment for organizations using Siemens SPCanywhere should include evaluation of physical security controls, device access restrictions, and implementation of network segmentation to limit the potential impact of such vulnerabilities. Security professionals should consider this weakness as part of broader industrial cybersecurity frameworks, particularly when evaluating mobile device management policies and the security posture of operational technology environments. The vulnerability demonstrates that even applications designed for industrial use cases require rigorous security testing, including evaluation of how filesystem access controls interact with mobile operating system security models to prevent unauthorized data access.