CVE-2018-9207: Unrestricted Upload of File with Dangerous Type in jquery-file-upload
Summary
CVE-2018-9207: Unrestricted Upload of File with Dangerous Type in jquery-file-upload. Affects jquery-file-upload versions < 4.0.5. Fixed in 4.0.5. How to fix ↓
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Background
The jquery-file-upload package is an npm package that provides functionality for uploading files in web applications. It allows users to select and upload files from their local system to a server. The package is widely used in web development projects and provides an easy-to-use interface for file uploads.
Vulnerability Detail
The vulnerability identified as CVE-2018-9207 is an arbitrary file upload vulnerability in the jQuery Upload File package. Versions of the package up to and including 4.0.2 are affected. This vulnerability allows an attacker to upload files with dangerous types, potentially leading to remote code execution or unauthorized access to sensitive information. The vulnerability is considered critical with a CVSS score of 9.8.
How To Fix
Minimum fixed version
4.0.5
This is the first release that contains the fix.
npm install jquery-file-upload@4.0.5Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
If updating the package is not immediately possible, a temporary workaround is to implement server-side validation of uploaded files. This can be done by checking the file type and ensuring that only allowed file types are accepted. Additionally, it is important to store uploaded files in a secure location and restrict access to them.
Conclusion
The CVE-2018-9207 vulnerability in the jquery-file-upload package allows for arbitrary file uploads with dangerous types, posing a significant risk of remote code execution or unauthorized access to sensitive information. It is crucial to update the package to version 4.0.5 or later to mitigate this vulnerability. If immediate updating is not possible, implementing server-side validation and secure storage of uploaded files can provide temporary protection. For further assistance and support in vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability allows an attacker to upload files with dangerous types, potentially leading to remote code execution or unauthorized access to sensitive information.
Yes, updating the jquery-file-upload package to version 4.0.5 or later fixes this vulnerability.
No, only versions up to and including 4.0.2 are affected. Version 4.0.5 and later include a fix for the vulnerability.
If updating the package is not immediately possible, implement server-side validation of uploaded files and ensure secure storage and restricted access to uploaded files.
You can find more information about this vulnerability in the GitHub advisory database: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2018/12/GHSA-mxr5-p36v-479m/GHSA-mxr5-p36v-479m.json
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