CVE-2017-8985 in Global Link Manager
Summary
by MITRE
HPE XP Storage using Hitachi Global Link Manager (HGLM) has a local authenticated information disclosure vulnerability in HGLM version HGLM 6.3.0-00 to 8.5.2-00.
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Analysis
by VulDB Data Team • 01/06/2020
The vulnerability identified as CVE-2017-8985 affects HPE XP Storage systems that utilize Hitachi Global Link Manager version 6.3.0-00 through 8.5.2-00. This represents a significant security weakness within enterprise storage infrastructure that could compromise sensitive operational data. The flaw exists within the HGLM component which serves as a critical management interface for storage arrays, making it a prime target for attackers seeking to gain unauthorized access to storage system configurations and operational details. The vulnerability specifically manifests as a local authenticated information disclosure issue, meaning that an attacker must first establish legitimate credentials to exploit the flaw, but once authenticated, they can extract sensitive data from the system.
The technical nature of this vulnerability stems from inadequate access controls and insufficient input validation within the HGLM management interface. When authenticated users interact with the system, the software fails to properly restrict access to sensitive information that should only be available to authorized administrative personnel. This weakness allows for unauthorized data extraction through legitimate user sessions, potentially exposing storage configuration parameters, connection details, and other operational data that could be leveraged for further attacks. The vulnerability operates at the application layer and specifically impacts the management protocols used by HGLM to communicate with storage arrays, creating a pathway for information leakage that violates fundamental security principles of least privilege and data protection.
The operational impact of this vulnerability extends beyond simple information disclosure, as the leaked data could enable attackers to understand the storage infrastructure topology and configuration details. This information could facilitate more sophisticated attacks including privilege escalation, lateral movement within the storage network, or targeted attacks against specific storage components. The affected HGLM versions span multiple releases, indicating this was a persistent flaw that required multiple patch cycles to address properly. Organizations utilizing these storage systems faced potential exposure to attackers who could exploit the vulnerability to gain insights into their storage environments, potentially compromising the integrity and confidentiality of their data infrastructure.
Organizations should implement immediate mitigation strategies including applying the vendor-provided security patches and updates to all affected HGLM installations. The vulnerability aligns with CWE-200, which addresses information exposure, and represents a clear violation of the principle of least privilege as defined in the NIST Cybersecurity Framework. Security teams should also consider implementing network segmentation to isolate storage management interfaces and establish stricter access controls for administrative accounts. Additionally, monitoring for unauthorized access attempts and implementing comprehensive audit logging can help detect exploitation attempts. The ATT&CK framework categorizes this vulnerability under credential access and privilege escalation techniques, making it particularly concerning for enterprise environments where storage systems serve as critical infrastructure components that require robust security controls to prevent unauthorized access and data compromise.