CVE-2023-4186 in Pharmacy Management System
Summary
by MITRE • 08/06/2023
A vulnerability was found in SourceCodester Pharmacy Management System 1.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file manage_website.php. The manipulation leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-236221 was assigned to this vulnerability.
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Analysis
by VulDB Data Team • 08/30/2023
The vulnerability identified as CVE-2023-4186 represents a critical security flaw in the SourceCodester Pharmacy Management System version 1.0, specifically within the manage_website.php file. This issue falls under the category of unrestricted file upload vulnerabilities, which are particularly dangerous as they allow attackers to bypass normal file validation mechanisms and execute malicious code on the target system. The vulnerability's classification as critical indicates the severe impact it can have on system security and data integrity.
The technical implementation of this flaw stems from inadequate input validation and sanitization within the file upload functionality of the pharmacy management system. When users attempt to upload files through the manage_website.php interface, the application fails to properly verify file types, extensions, or content, creating an opening for attackers to upload malicious files such as web shells, scripts, or executables. This weakness directly maps to CWE-434, which specifically addresses the improper restriction of uploads to a restricted directory, and represents a common pattern in web application security vulnerabilities where file handling mechanisms are not adequately secured.
The operational impact of this vulnerability extends beyond simple unauthorized file uploads, as it provides attackers with a potential pathway for remote code execution and complete system compromise. Since the exploit is publicly disclosed and actively being used, threat actors can immediately leverage this vulnerability without requiring advanced technical skills or custom exploit development. The remote attack vector means that an attacker can exploit this vulnerability from any location without physical access to the system, making it particularly dangerous for production environments. Once exploited, attackers can gain persistent access to the system, potentially leading to data breaches, system hijacking, and further lateral movement within network environments.
Organizations utilizing this pharmacy management system must implement immediate mitigations to address this vulnerability, including but not limited to restricting file upload capabilities, implementing strict file type validation, and deploying web application firewalls to monitor and block suspicious upload attempts. The ATT&CK framework categorizes this vulnerability under T1190 - Exploit Public-Facing Application, highlighting the importance of proper input validation and secure coding practices. Additionally, implementing principle of least privilege access controls, regular security assessments, and keeping all system components updated can help reduce the risk of exploitation. System administrators should also consider implementing network segmentation and monitoring solutions to detect and respond to potential exploitation attempts, as the public availability of this exploit increases the likelihood of widespread attacks against vulnerable systems.