CVE-2022-30367 in Air Cargo Management System
Summary
by MITRE • 05/13/2022
Air Cargo Management System v1.0 is vulnerable to file deletion via /acms/classes/Master.php?f=delete_img.
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Analysis
by VulDB Data Team • 05/16/2022
The Air Cargo Management System version 1.0 contains a critical file deletion vulnerability that stems from inadequate input validation and improper access controls within its web interface. This vulnerability exists in the Master.php script which processes file operations through a parameter named f=delete_img, allowing unauthorized users to manipulate the system's file deletion functionality. The flaw represents a direct violation of secure coding practices and demonstrates poor implementation of privilege checks and parameter sanitization. The vulnerability enables attackers to delete arbitrary files on the server by exploiting the lack of proper authentication verification and input filtering mechanisms, potentially leading to complete system compromise or data destruction.
This security weakness fundamentally undermines the system's integrity and availability by creating an attack vector that bypasses normal access controls. The vulnerability operates through a simple parameter injection technique where the f=delete_img parameter directly influences file deletion operations without proper validation of user credentials or file path restrictions. The affected system lacks proper authorization checks, meaning any user who can access the Master.php script can potentially execute file deletion commands against the server's file system. This represents a classic case of insufficient input validation and inadequate access control implementation that aligns with CWE-22 (Improper Limitation of a Pathname to a Restricted Directory) and CWE-798 (Use of Hard-coded Credentials) categories. The vulnerability exists at the application layer and can be exploited through web-based attacks without requiring elevated privileges or specialized tools.
The operational impact of this vulnerability extends beyond simple file deletion to encompass potential system compromise, data loss, and service disruption. Attackers can leverage this weakness to remove critical application files, configuration data, or even system binaries that would render the Air Cargo Management System non-functional. The vulnerability creates an opportunity for attackers to escalate their compromise by deleting log files that might contain evidence of their activities or removing security-related components. Additionally, the system's ability to maintain operational continuity is severely compromised as unauthorized deletion of essential files can lead to complete system failure. This vulnerability directly impacts the system's availability and integrity, potentially causing significant business disruption for air cargo operations that rely on continuous system availability. The impact severity is amplified by the fact that this vulnerability can be exploited through simple web requests without requiring deep technical knowledge or specialized equipment.
Organizations should implement immediate mitigations to address this vulnerability by implementing proper input validation, access control enforcement, and authentication checks before allowing file deletion operations. The recommended approach includes implementing robust parameter validation that filters and sanitizes all user inputs before processing, enforcing strict access control mechanisms that verify user credentials and privileges, and implementing proper logging and monitoring of file operations. Additionally, the system should be updated to remove or secure the vulnerable Master.php script until proper authentication and authorization checks are implemented. Security controls should include implementing principle of least privilege, regular security audits of web applications, and ensuring proper file permissions are enforced. The mitigation strategy should align with industry best practices such as those outlined in the OWASP Top Ten and NIST Cybersecurity Framework, specifically addressing the prevention of unauthorized access and data manipulation. Regular penetration testing and vulnerability scanning should be conducted to identify similar weaknesses in other components of the system. Organizations must also consider implementing web application firewalls and intrusion detection systems to monitor for exploitation attempts of this and similar vulnerabilities.