CVE-2024-40318 in QloApps
Summary
by MITRE • 07/25/2024
An arbitrary file upload vulnerability in Webkul Qloapps v1.6.0.0 allows attackers to execute arbitrary code via uploading a crafted file.
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Analysis
by VulDB Data Team • 08/26/2024
The vulnerability identified as CVE-2024-40318 represents a critical arbitrary file upload flaw within Webkul Qloapps version 1.6.0.0 that exposes the application to remote code execution attacks. This issue stems from insufficient validation of file uploads, allowing malicious actors to bypass security controls and upload potentially dangerous files to the server. The vulnerability resides in the application's file handling mechanisms, where user-supplied content is not adequately sanitized or restricted, creating an attack vector that can be exploited from remote locations without authentication requirements.
The technical implementation of this flaw involves the application's failure to properly validate file extensions, content types, or file attributes during the upload process. Attackers can craft malicious files with extensions that appear legitimate but contain executable code or scripts that will be processed by the web server. This vulnerability aligns with CWE-434 which specifically addresses the insecure upload of executable files, and represents a direct violation of secure coding practices that mandate input validation and sanitization. The flaw enables attackers to upload files such as php, asp, or other server-side include files that can execute arbitrary commands on the target system.
Operationally, this vulnerability presents a severe risk to organizations using Webkul Qloapps as it allows for complete system compromise without requiring authentication. An attacker can upload a web shell or malicious script that provides persistent access to the server, enabling data exfiltration, system reconnaissance, and potential lateral movement within the network. The impact extends beyond immediate code execution to include potential privilege escalation, denial of service conditions, and complete system takeover. This vulnerability can be exploited through various attack vectors including web application interfaces, API endpoints, or file upload forms that are accessible to unauthenticated users, making it particularly dangerous in environments where the application is exposed to external networks.
Mitigation strategies for CVE-2024-40318 should prioritize immediate implementation of file validation controls including strict extension filtering, content type verification, and mandatory file format restrictions. Organizations must implement proper input sanitization measures that reject suspicious file characteristics and enforce strict file attribute validation. The recommended approach includes configuring the application to reject uploads of executable or script files, implementing secure file storage mechanisms, and deploying web application firewalls to monitor and block malicious upload attempts. Additionally, the application should be updated to the latest patched version provided by Webkul, as this vulnerability is likely to be addressed through proper input validation and file handling mechanisms. Security monitoring should include detection of unusual file upload patterns and automated scanning for malicious file content, aligning with ATT&CK technique T1190 for exploiting vulnerabilities in web applications. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in the application stack and ensure that file upload functionality adheres to security best practices.