CVE-2019-20390: Subrion CMS Cross-Site Request Forgery (CSRF) vulnerability
Summary
CVE-2019-20390: Subrion CMS Cross-Site Request Forgery (CSRF) vulnerability. Affects intelliants/subrion versions 4.2.1. No fix is published. How to fix ↓
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Background
Subrion CMS is a content management system that allows users to create and manage websites. It provides various features such as user management, content publishing, and file uploading. The vulnerability identified in Subrion CMS version 4.2.1 is a Cross-Site Request Forgery (CSRF) vulnerability. This type of vulnerability allows an attacker to perform unauthorized actions on behalf of an authenticated user by tricking them into visiting a malicious website.
Vulnerability Detail
The CSRF vulnerability in Subrion CMS 4.2.1 enables a remote attacker to remove files on the server without the victim's knowledge. By enticing an authenticated user to visit an attacker's web page, the application fails to validate the CSRF token for a GET request. This allows the attacker to craft a specific URL that removes the CSRF token and sends a request to delete files on the server. The impact of this vulnerability can lead to unauthorized file deletion and potential data loss.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As a temporary workaround, users can implement additional security measures such as enforcing strict access controls, implementing CSRF protection mechanisms, and educating users about the risks of visiting untrusted websites or clicking on suspicious links.
Conclusion
The CSRF vulnerability in Subrion CMS 4.2.1 poses a significant risk to the security and integrity of websites using this CMS. It is crucial for users to upgrade to the latest patched version and implement proper security measures to mitigate the risk of unauthorized file deletion. For further support and assistance in vulnerability remediation, you can reach out to DevNack.com.
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FAQ
A CSRF vulnerability allows an attacker to perform unauthorized actions on behalf of an authenticated user by tricking them into visiting a malicious website.
The vulnerability in Subrion CMS 4.2.1 allows an attacker to remove files on the server without the victim's knowledge, potentially leading to unauthorized file deletion and data loss.
To fix this vulnerability, it is recommended to upgrade to the latest patched version of Subrion CMS and ensure proper validation and sanitization of user input.
As a temporary workaround, users can implement additional security measures such as enforcing strict access controls, implementing CSRF protection mechanisms, and educating users about the risks of visiting untrusted websites or clicking on suspicious links.
For more information about this vulnerability, you can refer to the CVE-2019-20390 advisory or contact the Subrion CMS support team.
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