CVE-2022-41534 in Online Diagnostic Lab Management System
Summary
by MITRE • 10/14/2022
Online Diagnostic Lab Management System v1.0 was discovered to contain an arbitrary file upload vulnerability via the component /php_action/createOrder.php. This vulnerability allows attackers to execute arbitrary code via a crafted PHP file.
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Analysis
by VulDB Data Team • 05/15/2025
The Online Diagnostic Lab Management System version 1.0 presents a critical arbitrary file upload vulnerability that fundamentally compromises the security posture of the affected environment. This vulnerability exists within the /php_action/createOrder.php component, which serves as a critical entry point for order creation functionality within the laboratory management platform. The flaw enables malicious actors to bypass normal file validation mechanisms and upload potentially harmful files directly to the server, creating an immediate and severe attack surface. This type of vulnerability is particularly dangerous because it directly enables remote code execution capabilities when attackers can upload malicious PHP files that will be executed by the web server.
The technical implementation of this vulnerability stems from inadequate input validation and sanitization within the file upload process. The system fails to properly verify file types, extensions, or content before accepting uploads, allowing attackers to submit PHP files with malicious payloads. When these files are stored on the server and subsequently accessed through web requests, they execute with the privileges of the web server process, typically running with elevated permissions. This weakness aligns with CWE-434 which specifically addresses insecure file upload vulnerabilities where applications accept files without proper validation, and represents a direct violation of secure coding practices that mandate strict file type checking and sanitization. The vulnerability operates at the application layer and can be exploited through standard web browser interfaces, making it highly accessible to attackers with minimal technical expertise.
The operational impact of this vulnerability extends far beyond simple unauthorized file placement within the system. Attackers can leverage this flaw to establish persistent backdoors, deploy malware, or exfiltrate sensitive patient data that the laboratory management system likely contains. Given that this is a diagnostic lab management system, the data at risk includes confidential medical records, patient information, and potentially sensitive research data. The remote code execution capability allows attackers to escalate privileges, create new user accounts, modify system configurations, and potentially pivot to other systems within the network. This vulnerability directly maps to several tactics in the MITRE ATT&CK framework including T1190 for Exploit Public-Facing Application, T1059 for Command and Scripting Interpreter, and T1566 for Phishing with Malicious Attachments. The attack surface is further expanded as successful exploitation could provide attackers with a foothold for lateral movement throughout the organization's infrastructure.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security improvements. The primary fix involves implementing strict file validation mechanisms that check file extensions, MIME types, and content signatures before accepting any uploads. The system should employ a whitelist approach for allowed file types and ensure that uploaded files are stored outside the web root directory to prevent direct execution. Additionally, proper input sanitization and output encoding should be implemented throughout the application to prevent any potential bypass attempts. Organizations should also consider implementing web application firewalls to monitor and filter suspicious upload attempts, along with regular security testing including dynamic application security testing to identify similar vulnerabilities. The remediation process must include comprehensive code review to ensure no other upload components suffer from similar weaknesses, and proper access controls should be enforced to limit who can initiate order creation processes. Regular security updates and vulnerability assessments should be conducted to maintain the system's resilience against evolving threats.