{"id":38662,"date":"2025-05-16T14:11:02","date_gmt":"2025-05-16T14:11:02","guid":{"rendered":""},"modified":"2025-06-13T23:40:00","modified_gmt":"2025-06-14T05:40:00","slug":"cve-2025-46191-unauthenticated-arbitrary-file-upload-vulnerability-in-sourcecodester-client-database-management-system","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-46191-unauthenticated-arbitrary-file-upload-vulnerability-in-sourcecodester-client-database-management-system\/","title":{"rendered":"CVE-2025-46191: Unauthenticated Arbitrary File Upload Vulnerability in SourceCodester Client Database Management System<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

The CVE-2025-46191 vulnerability refers to an arbitrary file upload flaw in the SourceCodester Client Database Management System 1.0. This vulnerability allows unauthenticated users to upload arbitrary files, posing a serious threat to the security of the systems running this software. It’s a significant concern as it can potentially result in system<\/a> compromise or data leakage if successfully exploited.
\nWith this vulnerability, attackers can upload executable PHP files<\/a> to a web-accessible directory due to the absence of proper file extension checks, MIME type validation, and authentication. This allows them to execute arbitrary commands remotely, leading to full Remote Code Execution<\/a> (RCE) without any form of authentication.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-46191
\nSeverity: Critical (9.8 \/ 10)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: System compromise or data<\/a> leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

SourceCodester Client Database Management System<\/a> | 1.0<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The exploit works by taking advantage of the lack of file<\/a> extension checks, MIME type validation, and authentication in user_payment_update.php. Attackers can upload a PHP file<\/a> with malicious code in the ‘uploaded_file_cancelled’ field. This file is then stored in a web-accessible directory (\/files\/), which allows the attacker to remotely execute the malicious code<\/a> simply by accessing the uploaded script.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

Here’s a conceptual example of how the vulnerability might be exploited:<\/p>\n

POST \/user_payment_update.php HTTP\/1.1\nHost: target.example.com\nContent-Type: multipart\/form-data; boundary=abc\n--abc\nContent-Disposition: form-data; name=\"uploaded_file_cancelled\"; filename=\"malicious.php\"\nContent-Type: application\/x-php\n\n--abc--<\/code><\/pre>\n
In this example, the attacker is sending a POST request with a malicious PHP file<\/a>. The PHP file contains code that allows<\/a> the execution of any command passed to it through the ‘cmd’ parameter in a GET request. As a result, the attacker can execute arbitrary commands on the server by accessing the uploaded<\/a> script.<\/p>\n
Mitigation Guidance<\/strong><\/p>\n
To mitigate this vulnerability, it is recommended to apply the vendor’s patch as soon as possible. If the patch cannot be applied immediately, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as temporary mitigation. Furthermore, it’s crucial to validate the file type and ensure proper authentication<\/a> checks are in place to avoid unauthenticated file uploads.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The CVE-2025-46191 vulnerability refers to an arbitrary file upload flaw in the SourceCodester Client Database Management System 1.0. This vulnerability allows unauthenticated users to upload arbitrary files, posing a serious threat to the security of the systems running this software. It’s a significant concern as it can potentially result in system compromise or data […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-38662","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-rce"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t