CVE-2014-2950 in SnIP
Summary
by MITRE
Datum Systems SnIP on PSM-500 and PSM-4500 devices does not require authentication for FTP sessions, which allows remote attackers to obtain sensitive information via RETR commands.
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Analysis
by VulDB Data Team • 08/21/2024
The vulnerability identified as CVE-2014-2950 affects Datum Systems SnIP firmware running on PSM-500 and PSM-4500 network monitoring devices. This authentication bypass flaw represents a critical security weakness in the device's file transfer protocol implementation that exposes sensitive operational data to unauthorized remote access. The vulnerability stems from the improper configuration of FTP services within the embedded system, where the device fails to enforce proper authentication mechanisms before allowing file retrieval operations. This design flaw creates an attack surface that directly violates fundamental security principles of access control and data protection.
The technical implementation of this vulnerability resides in the FTP service daemon that operates on these industrial monitoring devices. When remote attackers establish FTP connections to the affected systems, they can immediately execute RETR commands without providing valid credentials or authentication tokens. This absence of authentication checks allows attackers to retrieve files from the device's storage, potentially accessing configuration files, log data, firmware images, or other sensitive information that should remain protected. The flaw operates at the protocol level where the FTP server does not properly validate client identity before processing file transfer requests, making it particularly dangerous for industrial control systems that handle critical infrastructure data.
The operational impact of this vulnerability extends beyond simple information disclosure to encompass potential system compromise and operational disruption. Remote attackers can leverage this weakness to gain unauthorized access to network monitoring data, which may include sensitive operational parameters, network configurations, or system diagnostics that could be used for further attacks. The vulnerability affects devices that are typically deployed in industrial environments where network monitoring and control systems require robust security measures to prevent unauthorized access. This weakness creates a persistent threat vector that can be exploited by attackers without requiring physical access or prior knowledge of valid credentials, significantly increasing the attack surface for these industrial devices.
Security professionals should consider this vulnerability in the context of industrial control system security frameworks and the broader ATT&CK methodology for adversary behavior. The flaw aligns with techniques related to credential access and reconnaissance activities that threat actors often employ to gather intelligence before launching more sophisticated attacks. Organizations should implement immediate mitigations including network segmentation to isolate affected devices, disabling unnecessary FTP services where possible, and implementing proper access controls through firewall rules that restrict FTP access to authorized networks only. Additionally, regular firmware updates and security assessments should be conducted to address similar vulnerabilities in industrial network monitoring equipment. The vulnerability demonstrates the importance of following security standards such as those outlined in the CWE database, specifically related to improper authentication and insufficient access control mechanisms in embedded systems. Organizations should also consider implementing network monitoring solutions that can detect unauthorized FTP access attempts and alert security teams to potential exploitation attempts.