CVE-2005-3723 in IP5000 VOIP WIFI Phone
Summary
by MITRE
Hitachi IP5000 VOIP WIFI Phone 1.5.6 does not allow the user to disable access to (1) SNMP or (2) TCP port 3390, which allows remote attackers to modify configuration using CVE-2005-3722, or access the Unidata Shell to obtain sensitive information or cause a denial of service.
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Analysis
by VulDB Data Team • 07/30/2017
The Hitachi IP5000 VOIP WIFI Phone version 1.5.6 presents a critical security vulnerability that stems from its inability to disable essential network services, specifically SNMP and TCP port 3390. This flaw represents a fundamental design weakness in the device's security architecture, where administrative controls for disabling potentially dangerous services are either missing or inaccessible to authorized users. The vulnerability exists within the device's default configuration and lacks proper access control mechanisms that would allow system administrators to restrict access to these critical network interfaces. This configuration issue directly violates security best practices by leaving unnecessary services enabled by default, creating an attack surface that adversaries can exploit without requiring additional privileges or complex attack vectors.
The technical implementation of this vulnerability allows remote attackers to leverage the exposed SNMP service and TCP port 3390 to gain unauthorized access to the device's configuration management capabilities. The combination of these exposed services creates a pathway for attackers to exploit CVE-2005-3722, which enables configuration modification without proper authentication or authorization. The Unidata Shell access that becomes available through these exposed ports represents a particularly dangerous aspect of the vulnerability, as it provides direct access to the device's underlying operating system and sensitive data repositories. This shell access enables attackers to extract confidential information, modify critical system parameters, and potentially cause denial of service conditions that could disrupt voice communication services.
From an operational impact perspective, this vulnerability poses significant risks to organizations relying on Hitachi IP5000 VOIP WIFI Phones for their communication infrastructure. The exposure of SNMP and TCP port 3390 creates opportunities for attackers to compromise the entire voice communication system, potentially leading to eavesdropping on confidential conversations, unauthorized modification of phone configurations, or complete service disruption. The vulnerability's remote exploitability means that attackers do not require physical access to the device or network proximity, making it particularly dangerous in environments where network security controls may be insufficient. Organizations using these devices face potential regulatory compliance violations, data breaches, and operational disruptions that could affect business continuity and customer service quality.
Security professionals should consider this vulnerability in relation to CWE-668, which addresses the exposure of a resource to the wrong trust level, and CWE-922, which covers the storage of sensitive information without encryption. The vulnerability also aligns with ATT&CK technique T1071.004, which involves application layer protocol usage for command and control communications, and T1068, which focuses on exploit for privilege escalation. Organizations should implement immediate mitigations including network segmentation to isolate these devices from critical systems, disabling unnecessary services through network access control lists, and implementing continuous monitoring for unauthorized access attempts. Additionally, the vulnerability highlights the importance of proper security configuration management and the need for devices to provide robust administrative controls that allow system administrators to disable or restrict access to potentially dangerous services based on organizational security requirements.