CVE-2022-43867 in Spectrum Scale
Summary
by MITRE • 12/06/2022
IBM Spectrum Scale 5.1.0.1 through 5.1.4.1 could allow a local attacker to execute arbitrary commands in the container. IBM X-Force ID: 239437.
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Analysis
by VulDB Data Team • 01/01/2023
IBM Spectrum Scale represents a high-performance distributed file system that serves critical enterprise storage needs across various organizational infrastructures. The vulnerability identified as CVE-2022-43867 affects versions 5.1.0.1 through 5.1.4.1 of this storage platform, creating a significant security risk for organizations relying on its containerized deployment models. This issue manifests as a local privilege escalation vulnerability that enables attackers with local system access to execute arbitrary commands within the container environment. The flaw stems from insufficient input validation and privilege handling mechanisms within the container runtime components that govern how Spectrum Scale operates in containerized deployments.
The technical exploitation of this vulnerability occurs through improper privilege separation between containerized processes and underlying host system resources. When local attackers gain access to a system running affected Spectrum Scale versions, they can leverage this weakness to escalate their privileges and execute malicious code with elevated permissions. The vulnerability directly relates to CWE-276 which addresses improper privileges, and aligns with ATT&CK technique T1068 which covers local privilege escalation. Attackers typically exploit this by crafting specific inputs or leveraging existing local access to manipulate container execution contexts, bypassing normal security boundaries that should isolate container processes from host system resources.
The operational impact of CVE-2022-43867 extends beyond simple command execution, potentially enabling complete system compromise when attackers can leverage container escape techniques. Organizations running IBM Spectrum Scale in containerized environments face risks including data exfiltration, system persistence mechanisms, and lateral movement capabilities that could compromise entire network infrastructures. The vulnerability particularly affects enterprises using container orchestration platforms where Spectrum Scale containers operate with elevated privileges, creating attack vectors for adversaries seeking to establish persistent access. This threat is compounded by the fact that many organizations deploy these systems in production environments without adequate monitoring or privilege separation controls.
Organizations should immediately implement mitigation strategies including updating to IBM Spectrum Scale versions that address this vulnerability, typically those beyond 5.1.4.1. System administrators must also review and tighten container privilege settings, implementing least-privilege principles for containerized applications. Network segmentation and monitoring controls should be enhanced to detect suspicious command execution patterns and unauthorized privilege escalation attempts. The remediation process requires careful evaluation of existing container deployments to ensure that privilege separation is properly enforced and that no unnecessary elevated permissions exist within the container runtime environment. Security teams should also implement behavioral monitoring solutions that can detect anomalous command execution patterns indicative of privilege escalation attempts.