CVE-2024-2754 in Complete E-Commerce Site
Summary
by MITRE • 03/21/2024
A vulnerability classified as critical has been found in SourceCodester Complete E-Commerce Site 1.0. Affected is an unknown function of the file /admin/users_photo.php. The manipulation of the argument photo leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-257544.
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Analysis
by VulDB Data Team • 02/18/2025
This critical vulnerability exists in SourceCodester Complete E-Commerce Site version 1.0 within the administrative component, specifically in the /admin/users_photo.php file. The flaw represents an unrestricted file upload vulnerability that allows attackers to bypass security controls and upload malicious files to the server. The vulnerability is triggered through manipulation of the photo argument parameter, which lacks proper validation mechanisms to restrict file types and contents. This vulnerability is particularly dangerous because it can be exploited remotely without requiring any authentication credentials, making it accessible to any attacker with network access to the vulnerable system.
The technical implementation of this vulnerability stems from inadequate input validation and sanitization within the file upload functionality. The application fails to properly validate the file extension, MIME type, or file content of uploaded images, allowing attackers to upload files with potentially malicious extensions such as .php, .jsp, or .asp. This weakness directly aligns with CWE-434, which describes the improper restriction of uploads to a restricted directory, and represents a classic example of insecure file handling practices in web applications. The vulnerability exists in the administrative interface, which typically requires elevated privileges, but the lack of proper access controls combined with the unrestricted upload capability creates a path for privilege escalation attacks.
The operational impact of this vulnerability is severe and multifaceted, as it provides attackers with a direct path to compromise the entire web application and underlying server infrastructure. Remote exploitation allows threat actors to upload web shells, malware, or other malicious payloads that can be executed with the privileges of the web server process. This creates opportunities for persistent access, data exfiltration, system compromise, and potential lateral movement within the network. The vulnerability also exposes the application to various attack vectors including remote code execution, denial of service conditions, and data corruption. According to ATT&CK framework, this vulnerability maps to T1190 (Exploit Public-Facing Application) and T1059 (Command and Scripting Interpreter) as attackers can leverage the uploaded files to execute arbitrary commands on the target system.
Organizations affected by this vulnerability should implement immediate mitigations including restricting file upload capabilities, implementing strict file type validation, and deploying web application firewalls to detect and block malicious file uploads. The recommended remediation strategy involves validating file extensions against a whitelist of allowed formats, implementing proper MIME type checking, and storing uploaded files outside the web root directory. Additionally, the application should enforce strict access controls and authentication mechanisms for administrative functions, while implementing proper logging and monitoring for file upload activities. Security teams should also consider implementing content inspection mechanisms to detect malicious file content even when extensions appear legitimate. The vulnerability underscores the critical importance of secure coding practices and proper input validation in preventing unauthorized file operations that can lead to complete system compromise.