CVE-2011-5217 in JP1
Summary
by MITRE
Directory traversal vulnerability in the PXE Mtftp service in Hitachi JP1/ServerConductor/DeploymentManager before 08-55 Japanese and before 08-51 English allows remote attackers to read arbitrary files via unknown vectors.
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Analysis
by VulDB Data Team • 02/05/2018
The CVE-2011-5217 vulnerability represents a critical directory traversal flaw within the PXE Mtftp service component of Hitachi JP1/ServerConductor/DeploymentManager software. This vulnerability specifically affects versions prior to 08-55 Japanese and 08-51 English releases, creating a significant security risk for systems utilizing Hitachi's server deployment and management infrastructure. The vulnerability exists within the multicast file transfer protocol implementation that is commonly used during automated server provisioning and deployment scenarios. Attackers can exploit this weakness to access arbitrary files on the affected system through unspecified attack vectors, potentially compromising sensitive data and system integrity.
The technical nature of this vulnerability stems from insufficient input validation within the PXE Mtftp service implementation. Directory traversal attacks typically occur when applications fail to properly sanitize user-supplied input before processing file system operations. In this case, the Mtftp service likely processes file paths without adequate restrictions on directory navigation sequences such as ../ or ..\ that would allow attackers to traverse beyond intended directories. The unspecified vectors suggest that the attack surface may involve various protocol parameters or configuration elements that can be manipulated to achieve unauthorized file access. This flaw operates at the application layer and can be exploited remotely without requiring authentication, making it particularly dangerous for networked environments where such services are exposed to untrusted networks.
The operational impact of CVE-2011-5217 extends beyond simple unauthorized file access, as it can enable attackers to potentially extract sensitive configuration data, system credentials, or deployment scripts that may contain privileged information. In server deployment environments, this vulnerability could allow adversaries to access boot images, firmware files, or configuration parameters that could be used to escalate privileges or conduct further attacks. The remote exploitation capability means that attackers can target vulnerable systems from outside the local network, potentially compromising entire deployment infrastructures. Organizations using Hitachi ServerConductor systems for automated provisioning may face significant risks including unauthorized access to deployment environments, potential data exfiltration, and disruption of critical server deployment processes.
Mitigation strategies for this vulnerability should prioritize immediate patching of affected systems to versions 08-55 Japanese or 08-51 English and later. Network segmentation and firewall rules should be implemented to restrict access to PXE services to trusted network segments only, limiting exposure to unauthorized users. Additional security measures include disabling unnecessary PXE services when not actively required for deployment operations, implementing strict access controls on affected systems, and monitoring network traffic for suspicious PXE protocol activity. From an ATT&CK framework perspective, this vulnerability maps to techniques involving remote code execution and credential access through service exploitation. Organizations should also consider implementing network-based intrusion detection systems to monitor for potential exploitation attempts and establish incident response procedures for handling potential compromise scenarios. The vulnerability aligns with CWE-22 directory traversal weaknesses and represents a critical security gap that requires immediate remediation to protect enterprise infrastructure from unauthorized access and potential data breaches.