CVE-2020-4926 in Spectrum Scale
Summary
by MITRE • 05/24/2022
A vulnerability in the Spectrum Scale 5.1 core component and IBM Elastic Storage System 6.1 could allow unauthorized access to user data or injection of arbitrary data in the communication protocol. IBM X-Force ID: 191600.
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Analysis
by VulDB Data Team • 05/29/2022
The vulnerability identified as CVE-2020-4926 affects IBM Spectrum Scale 5.1 core component and IBM Elastic Storage System 6.1, representing a critical security weakness that could compromise data integrity and confidentiality. This issue manifests as an unauthorized access vector that allows attackers to inject arbitrary data into the communication protocol, potentially enabling data manipulation or unauthorized data access. The vulnerability resides within the core communication mechanisms of these storage systems, making it particularly dangerous as it impacts fundamental data handling operations.
The technical flaw stems from insufficient validation and sanitization of data within the communication protocol layers of these storage solutions. Attackers can exploit this weakness to manipulate data streams during transmission between storage components, potentially injecting malicious payloads or altering existing data without proper authorization. This vulnerability operates at the protocol level, meaning it can affect multiple data transactions simultaneously and may remain undetected during normal system operations. The flaw essentially creates a pathway for man-in-the-middle attacks where malicious actors can intercept and modify data flows between storage nodes.
The operational impact of this vulnerability extends beyond simple data corruption, as it fundamentally undermines the trust model of enterprise storage systems. Organizations relying on these platforms face risks of data breaches, unauthorized modifications, and potential system compromise that could affect critical business operations. The vulnerability's exploitation could lead to complete data loss, unauthorized access to sensitive information, or disruption of storage services that are essential for business continuity. System administrators may experience difficulty in detecting malicious activities since the data injection occurs at the communication protocol level, making traditional monitoring approaches less effective.
Security professionals should implement immediate mitigations including network segmentation to isolate storage components, deployment of intrusion detection systems specifically configured to monitor for protocol anomalies, and implementation of encrypted communication channels to prevent data injection attacks. Regular security assessments should focus on validating protocol integrity and monitoring for unauthorized data modifications. Organizations should also consider applying vendor-provided patches and updates as soon as they become available, while maintaining detailed audit logs of all storage system communications to facilitate incident response activities. This vulnerability aligns with CWE-20, which addresses improper input validation, and maps to ATT&CK technique T1071.004 for application layer protocol manipulation, emphasizing the need for comprehensive network security controls to prevent exploitation.