CVE-2024-44757 in ERP Management Software
Summary
by MITRE • 11/18/2024
An arbitrary file download vulnerability in the component /Basics/DownloadInpFile of NUS-M9 ERP Management Software v3.0.0 allows attackers to download arbitrary files and access sensitive information via a crafted interface request.
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Analysis
by VulDB Data Team • 11/20/2024
The vulnerability identified as CVE-2024-44757 represents a critical arbitrary file download flaw within the NUS-M9 ERP Management Software version 3.0.0. This security weakness resides in the /Basics/DownloadInpFile component, which serves as a file handling interface for the enterprise resource planning system. The flaw stems from inadequate input validation and access control mechanisms that fail to properly sanitize user-supplied parameters before processing file download requests. Attackers can exploit this vulnerability by crafting malicious HTTP requests that manipulate the file path parameters, potentially gaining unauthorized access to sensitive system files, configuration data, and other confidential information stored within the ERP environment.
The technical implementation of this vulnerability aligns with CWE-22, which describes improper limitation of a pathname to a restricted directory, commonly known as path traversal attacks. The attack vector typically involves manipulation of file path parameters through directory traversal sequences such as ../ or ..\ to navigate outside the intended download directory. In the context of the NUS-M9 ERP system, this flaw allows threat actors to bypass normal file access controls and retrieve files that should remain protected within the system's restricted file hierarchy. The vulnerability essentially provides an unrestricted file retrieval mechanism that can be leveraged to access not only application files but potentially system-level configurations, database connection details, and other sensitive data that could compromise the entire enterprise infrastructure.
The operational impact of CVE-2024-44757 extends beyond simple information disclosure to encompass potential system compromise and business disruption. An attacker exploiting this vulnerability can access critical business data, including financial records, customer information, employee details, and proprietary business processes stored within the ERP system. The vulnerability also creates opportunities for further exploitation through information gathering that could lead to privilege escalation or lateral movement within the network. The attack surface is particularly concerning given that ERP systems typically contain highly sensitive enterprise data and serve as central repositories for critical business operations. This vulnerability could enable threat actors to conduct reconnaissance for more sophisticated attacks, including those targeting the ATT&CK technique of Credential Access through the extraction of system credentials and configuration files that might contain authentication information.
Mitigation strategies for this vulnerability should encompass multiple layers of defense to address both immediate exploitation risks and long-term security posture improvements. The primary recommendation involves implementing strict input validation and sanitization for all file path parameters within the DownloadInpFile component, ensuring that user-supplied inputs are properly validated against a whitelist of allowed file paths. Network segmentation and access control measures should be strengthened to limit access to the ERP system to authorized personnel only, while implementing proper authentication and authorization controls to prevent unauthorized access to sensitive file download functionality. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities within the system, while also implementing logging and monitoring mechanisms to detect suspicious file access patterns. Additionally, the system should be updated to remove or disable the vulnerable component until proper security controls are implemented, following the principle of least privilege to ensure that only necessary components remain active within the system.