CVE-2017-15352 in OceanStor
Summary
by MITRE
Huawei OceanStor 2800 V3, V300R003C00, V300R003C20, OceanStor 5300 V3, V300R003C00, V300R003C10, V300R003C20, OceanStor 5500 V3, V300R003C00, V300R003C10, V300R003C20, OceanStor 5600 V3, V300R003C00, V300R003C10, V300R003C20, OceanStor 5800 V3, V300R003C00, V300R003C10, V300R003C20 have an improper access control vulnerability. Due to incorrectly restrict access to a resource, an attacker with high privilege may exploit the vulnerability to query some information or send specific message to cause some service abnormal.
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Analysis
by VulDB Data Team • 02/08/2023
This vulnerability affects Huawei OceanStor storage systems across multiple models including 2800 V3, 5300 V3, 5500 V3, 5600 V3, and 5800 V3 with specific firmware versions. The issue stems from improper access control mechanisms that fail to correctly restrict access to critical system resources. According to CWE-284, this represents an inadequate access control flaw where the system does not properly enforce authorization checks for resource access. The vulnerability allows attackers with high privilege levels to exploit the weakness and perform unauthorized operations including information querying and sending specific messages that can disrupt service operations.
The technical implementation of this vulnerability demonstrates a failure in the system's privilege management architecture. When an attacker with elevated privileges exploits this weakness, they can bypass intended access controls to access restricted information or inject malicious messages into the system. This improper access control situation creates opportunities for information disclosure and service disruption attacks. The vulnerability operates at the application level where the system's access control enforcement mechanisms are insufficient to prevent unauthorized access to sensitive resources. This aligns with ATT&CK technique T1078 which covers valid accounts and privilege escalation techniques.
From an operational impact perspective, this vulnerability creates significant risks for storage system integrity and availability. An attacker could potentially access confidential storage information, disrupt storage operations, or cause service degradation through message injection attacks. The affected systems are enterprise-grade storage solutions that typically handle sensitive data, making the information disclosure aspect particularly concerning. The vulnerability's exploitation could lead to data breaches, unauthorized access to storage volumes, and potential disruption of critical business operations that depend on these storage systems. Organizations using these Huawei OceanStor models should prioritize immediate remediation and implement additional monitoring to detect potential exploitation attempts.
The root cause analysis reveals that the access control implementation does not adequately validate user privileges or enforce proper authorization checks for critical system operations. This type of vulnerability often occurs when security controls are not properly integrated into the application logic or when privilege validation mechanisms are bypassed through improper code implementation. The vulnerability affects multiple firmware versions across different storage models, indicating a systemic issue in the access control implementation rather than a localized bug. Organizations should implement comprehensive access control reviews and security testing to identify similar weaknesses in their storage infrastructure. Mitigation strategies should include firmware updates from Huawei, implementation of network segmentation to limit access to storage management interfaces, and enhanced monitoring of administrative access patterns to detect anomalous behavior that might indicate exploitation attempts.