CVE-2018-18830: Unrestricted Upload of File with Dangerous Type in mingsoft:ms-mcms
Summary
CVE-2018-18830: Unrestricted Upload of File with Dangerous Type in mingsoft:ms-mcms. Affects net.mingsoft:ms-mcms versions < 4.6.5. No fix is published. How to fix ↓
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Background
The mingsoft:ms-mcms package is a Maven package used for MCMS (MingSoft Content Management System) version 4.6.5. MCMS is a web-based content management system that allows users to create, manage, and publish digital content. The package provides functionality for file upload and storage. However, a vulnerability exists in the file upload functionality, allowing an attacker to upload arbitrary files with dangerous types without proper authentication.
Vulnerability Detail
The vulnerability (CVE-2018-18830) in mingsoft:ms-mcms allows an attacker to upload files without setting a cookie or verifying the user login status. By exploiting this vulnerability, an attacker can upload JSP code disguised as a PNG file. By intercepting the data packet and changing the file extension to .jsp, the attacker can execute arbitrary JSP code on the server. This can lead to unauthorized access, data manipulation, and potential compromise of the entire system.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, it is advised to disable the file upload functionality or restrict access to the vulnerable upload interface until a proper fix is implemented. This can be done by modifying the configuration or access control settings of the MCMS application.
Conclusion
The mingsoft:ms-mcms package is vulnerable to an unrestricted file upload vulnerability, allowing an attacker to upload and execute arbitrary JSP code on the server. It is crucial to implement proper authentication, authorization, and input validation to prevent this vulnerability. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
This vulnerability allows an attacker to upload and execute arbitrary JSP code on the server, potentially leading to unauthorized access, data manipulation, and compromise of the system.
No, the upload interface does not verify the user login status, allowing an attacker to upload files without authentication.
Yes, this vulnerability can be exploited remotely by sending malicious requests to the vulnerable upload interface.
Implementing proper authentication and authorization checks, restricting file types, and sanitizing file names and extensions can mitigate this vulnerability.
The vulnerability has been reported but it is recommended to check with the package maintainers for the latest updates and patches.
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