CVE-2020-4358 in Spectrum Scale
Summary
by MITRE
IBM Spectrum Scale 5.0.0.0 through 5.0.4.4 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 178762.
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Analysis
by VulDB Data Team • 10/19/2020
IBM Spectrum Scale represents a distributed file system solution that provides enterprise-grade storage management capabilities across large-scale environments. The vulnerability in question affects versions 5.0.0.0 through 5.0.4.4 of this software, specifically targeting the web-based user interface components. This cross-site scripting vulnerability arises from insufficient input validation and output encoding within the web application layer, creating an attack vector that can be exploited by malicious actors to inject malicious JavaScript code into the user interface.
The technical flaw manifests when user-supplied input data is not properly sanitized before being rendered in the web interface. This weakness allows attackers to craft malicious payloads that execute within the context of other users' sessions, potentially compromising the confidentiality and integrity of sensitive information. The vulnerability falls under CWE-79 which specifically addresses cross-site scripting flaws, and aligns with ATT&CK technique T1566.001 for initial access through spearphishing attachments or links. When exploited, the JavaScript code can manipulate the web interface to capture user credentials, session tokens, or other sensitive data transmitted within the trusted session environment.
The operational impact of this vulnerability extends beyond simple data theft, as it can enable persistent access to the storage management system. Attackers can leverage this weakness to establish long-term presence within the environment, potentially gaining access to critical storage configurations, file permissions, and administrative functions. The trusted session aspect of the vulnerability means that compromised credentials can provide attackers with elevated privileges within the Spectrum Scale environment, potentially leading to unauthorized data access, modification, or deletion. Organizations using these vulnerable versions face significant risk of data breaches and system compromise, particularly in environments where the web UI is actively used for administrative tasks.
Mitigation strategies should focus on immediate remediation through official IBM patches and updates addressing the specific cross-site scripting vulnerability. Organizations must implement comprehensive input validation and output encoding mechanisms throughout the web application stack to prevent similar issues from occurring. Network segmentation and access controls should be enforced to limit exposure of the vulnerable web interface to trusted networks only. Regular security assessments and penetration testing should be conducted to identify and remediate additional vulnerabilities within the Spectrum Scale environment. The vulnerability demonstrates the critical importance of maintaining up-to-date software versions and implementing proper web application security controls to prevent credential theft and session hijacking attacks that can compromise enterprise storage infrastructure.