CVE-2024-42563 in ERP
Summary
by MITRE • 08/20/2024
An arbitrary file upload vulnerability in ERP commit 44bd04 allows attackers to execute arbitrary code via uploading a crafted HTML file.
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Analysis
by VulDB Data Team • 08/22/2024
This vulnerability represents a critical arbitrary file upload flaw in the ERP system's commit 44bd04 that enables remote code execution through malicious HTML file uploads. The issue stems from insufficient input validation and sanitization mechanisms within the file upload functionality, allowing attackers to bypass security controls and upload potentially harmful files. The vulnerability is classified under CWE-434 which specifically addresses insecure file upload handling, where the system fails to properly validate file types and contents before storage. Attackers can exploit this weakness by crafting HTML files that contain malicious scripts or executable content, potentially leading to complete system compromise.
The technical exploitation of this vulnerability follows a well-documented pattern where attackers upload specially crafted HTML files that can be executed in the context of the web server. When the ERP system processes these files without proper validation, the uploaded content can be interpreted and executed as code, providing attackers with arbitrary code execution capabilities. This type of vulnerability typically falls under the ATT&CK technique T1505.003 for Server-side include injection, though it's more broadly categorized as a web application vulnerability that enables privilege escalation and persistent access. The flaw exists in the file handling logic where the system does not adequately verify file extensions, MIME types, or content signatures.
The operational impact of CVE-2024-42563 extends beyond simple code execution to encompass full system compromise and potential data exfiltration. Once an attacker successfully uploads malicious content, they can establish persistent access through backdoors, escalate privileges, or use the compromised system as a launchpad for lateral movement within the network. The vulnerability affects the integrity and availability of the ERP system, potentially leading to unauthorized data access, modification, or deletion. Organizations relying on this ERP version face significant risk of financial loss, regulatory compliance violations, and reputational damage due to the potential for unauthorized access to sensitive business data.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security improvements. The most effective immediate fix involves implementing strict file type validation, including extension filtering, MIME type checking, and content signature verification before any file processing occurs. Organizations should deploy web application firewalls and implement proper input sanitization techniques to prevent malicious content from being processed. Additionally, the principle of least privilege should be enforced where file upload functionality is restricted to authorized users only, and uploaded files should be stored in non-executable directories. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other components, while implementing proper logging and monitoring to detect suspicious upload activities. The remediation approach should align with industry standards including OWASP Top Ten recommendations and NIST cybersecurity frameworks to ensure comprehensive protection against similar threats.