CVE-2022-30529 in ISIC
Summary
by MITRE • 11/22/2022
File upload vulnerability in asith-eranga ISIC tour booking through version published on Feb 13th 2018, allows attackers to upload arbitrary files via /system/application/libs/js/tinymce/plugins/filemanager/dialog.php and /system/application/libs/js/tinymce/plugins/filemanager/upload.php.
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Analysis
by VulDB Data Team • 04/28/2025
This vulnerability represents a critical file upload flaw in the ISIC tour booking system developed by asith-eranga, specifically affecting versions released on February 13th 2018. The vulnerability exists within the TinyMCE file manager plugin components, namely dialog.php and upload.php files located in the system's application libraries. The flaw allows unauthenticated attackers to bypass normal file validation mechanisms and upload arbitrary files to the target server, potentially leading to remote code execution or complete system compromise. This type of vulnerability falls under CWE-434 which specifically addresses "Unrestricted Upload of File with Dangerous Type" and represents a fundamental failure in input validation and file handling processes. The attack vector is particularly concerning as it leverages a widely used rich text editor component that is typically integrated into web applications for content management purposes.
The technical implementation of this vulnerability stems from insufficient validation of file types and content during the upload process. Attackers can exploit the filemanager/upload.php endpoint to submit malicious files without proper sanitization checks, while the dialog.php component provides the user interface for initiating these uploads. The vulnerability operates at the application layer and requires no authentication, making it highly accessible to threat actors. This weakness creates a persistent backdoor opportunity where attackers can upload web shells, malicious scripts, or other payload types that can be executed on the target server. The impact extends beyond simple file uploads as it can enable attackers to establish persistent access, escalate privileges, and potentially move laterally within the network infrastructure. The vulnerability aligns with ATT&CK technique T1190 which covers "Exploit Public-Facing Application" and demonstrates how insecure file handling can lead to full system compromise.
The operational impact of this vulnerability is severe and multifaceted for organizations using the affected ISIC tour booking system. Successful exploitation can result in complete system compromise, data exfiltration, and potential service disruption. Attackers can upload malicious files that execute commands on the server, potentially leading to data breaches, system infiltration, and unauthorized access to sensitive customer information. The vulnerability's persistence means that once exploited, attackers can maintain access over extended periods without detection. Organizations may face regulatory compliance issues, financial losses, and reputational damage if customer data is compromised. The vulnerability affects the confidentiality, integrity, and availability of the affected systems, potentially violating security standards such as those outlined in ISO 27001 and NIST cybersecurity frameworks. The attack surface is broad as the vulnerability exists in a core web application component that could be present in multiple installations across different organizations.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term security improvements. Organizations should implement strict file type validation and content checking mechanisms that prevent execution of potentially dangerous file formats such as .php, .asp, .jsp, and other server-side scripting languages. The recommended approach includes implementing comprehensive file extension filtering, content-type validation, and mandatory file scanning using antivirus tools. Network-level protections such as web application firewalls should be deployed to monitor and block suspicious upload attempts. Additionally, organizations should conduct thorough code reviews and security assessments of all third-party components and plugins. Regular patch management processes should be implemented to ensure that known vulnerabilities are addressed promptly. The remediation process should include disabling or removing the vulnerable file manager plugin components until proper security measures are implemented. System administrators should also implement monitoring and logging of file upload activities to detect and respond to potential exploitation attempts. Security awareness training for developers should emphasize secure coding practices and the importance of validating all user inputs, particularly in file handling components. These measures align with industry best practices and security frameworks including OWASP Top 10 and the MITRE ATT&CK framework's prevention strategies.