CVE-2017-2688 in RUGGEDCOM ROX I
Summary
by MITRE
The integrated web server in Siemens RUGGEDCOM ROX I (all versions) at port 10000/TCP could allow remote attackers to perform actions with the privileges of an authenticated user, provided the targeted user has an active session and is induced into clicking on a malicious link or into visiting a malicious website, aka CSRF.
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Analysis
by VulDB Data Team • 11/22/2022
The vulnerability identified as CVE-2017-2688 affects Siemens RUGGEDCOM ROX I integrated web server implementation across all versions of the device. This security flaw resides within the web server component that operates on port 10000/tcp, representing a critical weakness in the device's access control mechanisms. The vulnerability specifically targets the web interface authentication and authorization processes, creating a pathway for remote attackers to exploit existing user sessions without requiring additional credentials. The attack vector requires the targeted user to actively engage with malicious content, typically through clicking on crafted links or visiting compromised websites, making this a sophisticated social engineering component to the exploitation process.
The technical implementation of this vulnerability stems from inadequate protection against Cross-Site Request Forgery (CSRF) attacks within the web server's session management framework. When a legitimate user maintains an active session with the device's web interface, the system fails to properly validate the origin of requests being submitted through that session. This allows attackers to craft malicious web pages or links that, when visited by an authenticated user, automatically submit unauthorized commands to the vulnerable device. The flaw essentially permits the execution of administrative actions with the privileges of the authenticated user, potentially enabling unauthorized configuration changes, data manipulation, or service disruption.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it provides attackers with the capability to perform privileged operations on network infrastructure devices. Given that the Siemens RUGGEDCOM ROX I is designed for industrial environments, the compromise of such a device could lead to significant operational disruptions, including unauthorized network configuration changes, data exfiltration, or service degradation. The fact that the attack requires user interaction makes it particularly dangerous in environments where personnel may be targeted through spear-phishing campaigns or where users might inadvertently click on malicious content. The vulnerability affects the device's security posture by creating a persistent risk that can be exploited repeatedly as long as the user maintains an active session.
Mitigation strategies for this vulnerability should focus on implementing robust CSRF protection mechanisms within the web server component, including the enforcement of anti-CSRF tokens for all state-changing operations. Network segmentation and access control measures can help reduce the attack surface by limiting direct access to the device's web interface. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in industrial control systems. The implementation of secure coding practices and adherence to security standards such as those defined in CWE-352 for CSRF prevention would significantly improve the device's resilience. Organizations should also consider implementing network monitoring solutions that can detect anomalous traffic patterns indicative of CSRF attack attempts, as outlined in various ATT&CK framework techniques for credential access and privilege escalation.