CVE-2017-1654 in Spectrum Scale
Summary
by MITRE
IBM Spectrum Scale 4.1.1 and 4.2.0 - 4.2.3 could allow a local unprivileged user access to information located in dump files. User data could be sent to IBM during service engagements. IBM X-Force ID: 133378.
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Analysis
by VulDB Data Team • 02/16/2023
IBM Spectrum Scale represents a high-performance distributed file system that serves critical enterprise storage needs across large-scale computing environments. The vulnerability identified in versions 4.1.1 and 4.2.0 through 4.2.3 stems from inadequate access controls within the system's dump file handling mechanisms. This flaw specifically affects local unprivileged users who can exploit the vulnerability to gain unauthorized access to sensitive information contained within dump files generated by the system. The technical implementation appears to lack proper permission checks when processing these diagnostic files, allowing users with minimal privileges to read data that should remain restricted. This issue directly relates to CWE-284 which addresses improper access control mechanisms, and aligns with ATT&CK technique T1005 for data from local system, demonstrating how adversaries can leverage system internals to extract sensitive information. The impact extends beyond simple information disclosure as the vulnerability enables data exfiltration that could be transmitted to IBM during service engagements, creating potential security risks for organizations relying on the platform.
The operational implications of this vulnerability are significant for enterprise environments utilizing IBM Spectrum Scale, particularly those handling sensitive data or operating under strict compliance requirements. Local unprivileged users can potentially access confidential information that may include system configurations, user data, or other proprietary information stored in dump files. These dump files often contain comprehensive system state information including memory contents, process details, and potentially user credentials or application data. The vulnerability creates a persistent risk as it allows attackers with basic user accounts to escalate their access privileges through information gathering, potentially leading to more sophisticated attacks. Organizations may experience compliance violations if sensitive data is inadvertently exposed through these dump files, especially in regulated industries such as finance, healthcare, or government sectors where data protection is paramount. The vulnerability's persistence across multiple versions suggests a systemic flaw in the access control implementation that requires immediate attention.
Mitigation strategies for this vulnerability should focus on immediate patching of affected IBM Spectrum Scale versions to address the underlying access control issues in dump file handling. Organizations must implement comprehensive monitoring of dump file generation and access patterns to detect potential exploitation attempts. System administrators should review and tighten access controls for dump file directories, ensuring that only authorized personnel with proper clearance can access these sensitive files. The implementation of file system auditing and logging mechanisms can help identify unauthorized access attempts to dump files, providing visibility into potential exploitation activities. Network segmentation and privilege separation should be enforced to limit the potential impact of compromised user accounts. Additionally, organizations should conduct regular security assessments of their Spectrum Scale implementations to identify similar access control weaknesses. The vulnerability demonstrates the importance of proper input validation and access control enforcement in system internals, aligning with security best practices outlined in NIST SP 800-53 and ISO 27001 standards. Regular security training for system administrators should emphasize the critical nature of dump file management and the potential risks associated with inadequate access controls. Organizations should also consider implementing automated tools to scan for and remediate similar access control vulnerabilities across their infrastructure.