CVE-2020-10963: FrozenNode Laravel-Administrator Unrestricted File Upload
Summary
CVE-2020-10963: FrozenNode Laravel-Administrator unrestricted file upload. Affects frozennode/administrator versions < 5.0.12. No fix is published. How to fix ↓
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Background
FrozenNode Laravel-Administrator is a discontinued package that provides an administration interface for Laravel applications. It allows developers to easily manage and customize the backend of their Laravel projects. However, versions up to 5.0.12 are vulnerable to an unrestricted file upload vulnerability, which can lead to remote code execution. This vulnerability occurs when an attacker is able to upload a PHP file disguised as a GIF image with the .php extension. As a result, the attacker can execute arbitrary code on the server, potentially compromising the entire application and its underlying infrastructure.
Vulnerability Detail
The vulnerability in FrozenNode Laravel-Administrator allows an attacker to bypass file upload restrictions and upload a PHP file disguised as a GIF image. By exploiting this vulnerability, an attacker can execute arbitrary code on the server, leading to potential remote code execution. This can result in a complete compromise of the application and its environment. The vulnerability has a CVSS score of 7.2, indicating a high severity level.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
As the package is discontinued, there may not be an official workaround provided. However, as a general best practice, it is recommended to implement strict file upload validation and restrict the allowed file types to prevent the upload of potentially malicious files. This can be achieved by checking the file extension, MIME type, and content of the uploaded files. Additionally, it is important to ensure that uploaded files are stored in a secure location and not directly accessible from the web server.
Conclusion
The vulnerability in FrozenNode Laravel-Administrator allows for unrestricted file upload, leading to potential remote code execution. It is crucial to upgrade to a patched version of the package or remove it entirely if no fix is available. Implementing strict file upload validation and restrictions is also recommended to mitigate the risk. For further support and assistance in vulnerability remediation, please contact DevNack.com.
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FAQ
FrozenNode Laravel-Administrator is a package that provides an administration interface for Laravel applications, allowing developers to manage and customize the backend of their projects.
This vulnerability allows an attacker to upload a PHP file disguised as a GIF image, leading to potential remote code execution. This can result in a complete compromise of the application and its underlying infrastructure.
To fix this vulnerability, it is recommended to upgrade to a patched version of FrozenNode Laravel-Administrator. If no patch is available, it is advisable to remove or replace the vulnerable package with a more secure alternative.
As the package is discontinued, there may not be an official workaround provided. However, implementing strict file upload validation and restricting the allowed file types can help mitigate the risk of this vulnerability.
Yes, the CVSS score for this vulnerability is 7.2, indicating a high severity level.
