CVE-2023-37629 in Online Piggery Management System
Summary
by MITRE • 07/12/2023
Online Piggery Management System 1.0 is vulnerable to File Upload. An unauthenticated user can upload a php file by sending a POST request to "add-pig.php."
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Analysis
by VulDB Data Team • 11/20/2024
The Online Piggery Management System version 1.0 presents a critical file upload vulnerability that exposes the application to remote code execution attacks. This vulnerability stems from insufficient input validation and access control mechanisms within the application's file handling functionality. The specific endpoint "add-pig.php" lacks proper authentication checks and file type restrictions, allowing any remote attacker to bypass security measures and upload malicious files directly to the server. The vulnerability exists due to the application's failure to implement comprehensive file validation controls, enabling attackers to upload php files that can execute arbitrary code on the target system.
This security flaw represents a direct violation of the principle of least privilege and proper input validation as outlined in the CWE-434 vulnerability category. The vulnerability falls under the broader classification of insecure file upload mechanisms that have been documented in numerous security frameworks and standards. The absence of proper file extension validation, content type checking, and secure file storage practices creates a pathway for attackers to escalate privileges and gain unauthorized access to the underlying system. From an operational perspective, this vulnerability allows threat actors to establish persistent backdoors, exfiltrate sensitive data, or disrupt normal business operations through malicious code execution.
The operational impact of this vulnerability extends beyond simple unauthorized file uploads as it provides attackers with the capability to execute arbitrary commands on the compromised system. Attackers can leverage this vulnerability to deploy web shells, install malware, or perform further reconnaissance activities within the network. The lack of authentication requirements for the upload endpoint means that any individual with knowledge of the target system can exploit this weakness without requiring valid credentials. This vulnerability aligns with several tactics described in the MITRE ATT&CK framework, particularly those related to initial access through web application attacks and privilege escalation through code execution. The affected system becomes vulnerable to lateral movement and data exfiltration attacks once the initial compromise is achieved.
Organizations using this system should implement immediate mitigations including restricting file upload capabilities, implementing strict file type validation, and enforcing proper access controls on all endpoints. The application should validate file extensions, check MIME types, and store uploaded files outside the web root directory to prevent direct execution. Additionally, implementing proper authentication mechanisms on the "add-pig.php" endpoint and logging all file upload activities will significantly reduce the attack surface. Regular security assessments and input validation reviews should be conducted to ensure that similar vulnerabilities are not present in other parts of the application. The vulnerability highlights the importance of secure coding practices and proper security controls in web applications, particularly those handling user uploads and file operations.