CVE-2025-9772 in RemoteClinic
Summary
by MITRE • 09/01/2025
A vulnerability was detected in RemoteClinic up to 2.0. This affects an unknown part of the file /staff/edit.php. Performing manipulation of the argument image results in unrestricted upload. The attack can be initiated remotely. The exploit is now public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
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Analysis
by VulDB Data Team • 09/05/2025
CVE-2025-9772 represents a critical unrestricted file upload vulnerability within RemoteClinic version 2.0 and earlier, specifically affecting the /staff/edit.php file component. This vulnerability stems from inadequate input validation and sanitization mechanisms that fail to properly restrict file types and content when processing image uploads. The flaw allows remote attackers to upload malicious files with arbitrary extensions, potentially bypassing security controls designed to prevent execution of harmful code. The vulnerability is classified as a CWE-434 Unrestricted Upload of File with Dangerous Type, which directly maps to the ATT&CK technique T1195.001 for the use of malicious files in web applications. The attack vector is remote and requires no authentication, making it particularly dangerous for systems that are publicly accessible. The exploitation of this vulnerability enables attackers to upload web shells, malicious scripts, or other harmful payloads that can be executed within the application's context, potentially leading to complete system compromise.
The operational impact of this vulnerability extends beyond simple unauthorized file uploads, creating a significant attack surface that can be leveraged for persistent threats and lateral movement within networks. When combined with the fact that RemoteClinic is no longer supported by its maintainer, organizations running this software face an increased risk profile as there are no security patches or updates available to address the flaw. This leaves systems vulnerable to exploitation by threat actors who may have already developed and published working exploits for this specific vulnerability. The unrestricted nature of the upload capability means that attackers can potentially upload files that could be executed as scripts, leading to remote code execution, data exfiltration, or the establishment of backdoors. The lack of proper file type validation and content inspection creates an environment where attackers can bypass security measures through simple manipulation of the image argument parameter, making the vulnerability particularly easy to exploit and highly dangerous.
Organizations utilizing RemoteClinic should immediately implement mitigations to address this vulnerability, including but not limited to network segmentation, web application firewalls, and strict file upload validation controls. The most effective immediate measures involve implementing strict file type checking, enforcing filename sanitization, and restricting upload directories from being executable. Security teams should also consider implementing Content Security Policy headers and disabling file execution in upload directories. Given the end-of-life status of RemoteClinic, organizations should prioritize migrating to supported alternatives that receive regular security updates and patches. The vulnerability demonstrates the critical importance of maintaining up-to-date software components and implementing proper input validation mechanisms as recommended in OWASP Top Ten and NIST Cybersecurity Framework guidelines. Organizations should also conduct thorough vulnerability assessments to identify similar issues in other legacy applications and establish a comprehensive software lifecycle management process to prevent exposure to unsupported products with known vulnerabilities.