CVE-2019-4056 in Maximo Asset Management
Summary
by MITRE
IBM Maximo Asset Management 7.6 Work Centers' application does not validate file type upon upload, allowing attackers to upload malicious files. IBM X-Force ID: 156565.
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Analysis
by VulDB Data Team • 09/28/2023
The vulnerability identified as CVE-2019-4056 affects IBM Maximo Asset Management version 7.6 Work Centers application, representing a critical security flaw in the file upload functionality. This issue stems from inadequate input validation mechanisms that fail to properly verify the file types being uploaded to the system. The vulnerability exists within the application's file handling process where it accepts uploads without implementing proper type checking or content validation, creating an exploitable entry point for malicious actors seeking to compromise the system.
This security weakness falls under the broader category of insecure file upload vulnerabilities, which are commonly classified as CWE-434 within the Common Weakness Enumeration framework. The flaw allows attackers to bypass normal file validation procedures by uploading malicious files such as web shells, executable code, or other harmful payloads that can be executed within the application's environment. The absence of proper file type validation creates a pathway for arbitrary code execution and potential system compromise, particularly when the uploaded files are processed or executed by the application's backend services.
The operational impact of this vulnerability extends beyond simple unauthorized file uploads, as it enables attackers to potentially gain persistent access to the Maximo Asset Management system. When combined with other attack vectors, this flaw can facilitate privilege escalation, data exfiltration, and system infiltration. The Work Centers application, being a core component of asset management operations, provides attackers with access to critical business data and operational processes. This vulnerability directly impacts the confidentiality, integrity, and availability of the managed assets and associated information systems.
Organizations utilizing IBM Maximo Asset Management 7.6 should implement immediate mitigations including implementing strict file type validation, establishing content inspection mechanisms, and deploying web application firewalls to monitor and filter file uploads. The recommended approach involves configuring the application to validate file extensions against a whitelist of approved types, implementing MIME type checking, and ensuring proper file content verification. Additionally, implementing proper access controls and monitoring mechanisms around file upload operations can help detect and prevent unauthorized uploads. The vulnerability aligns with several tactics and techniques documented in the MITRE ATT&CK framework, particularly those related to initial access through malicious file uploads and privilege escalation via file execution. Organizations should also consider implementing network segmentation and regular security assessments to identify and remediate similar vulnerabilities across their IT infrastructure.