Remote attackers can upload any kind of file to inject malicious code into the website or even steal cookie-based authentication credentials. Moreover, server-side code inspection might fail to detect such attack vectors because the code is not obfuscated.
The server-side file upload feature can be disabled by setting the feature to false in the server.properties file. However, doing so may lead to a diminished user experience. In case of server-side file upload being disabled, the following error message may be displayed: “Cannot disable this feature. Please contact your system administrator.”
S/N: Server-side file upload can be disabled by setting the following configuration setting to false in the server.properties file: enabled = false
How to detect if server-side file upload is enabled?
Firstly, the server-side file upload feature can be disabled by setting the following configuration setting to false in the server.properties file: enabled = false
Secondly, if this configuration isn’t set to false, an error message may appear depending on whether your system administrator has disabled it or not. If an error message is displayed, then you have been warned that the server-side file upload feature is enabled and should be taken care of by your system administrator.
How to enable server-side file upload protection?
To enable server-side file upload protection, follow these steps:
1. Download the latest version of Kibana 4 from https://www.elasticsearch.org/downloads/kibana4/
2. Enable server-side file upload in the default configuration by setting enabled=true in the kibana4/server.properties file
3. Restart Kibana 4
Check if Server-Side File Upload Is Enabled
A remote attacker can upload any type of file to inject malicious code into the website or even steal cookie-based authentication credentials. Moreover, server-side code inspection might fail to detect such attack vectors because the code is not obfuscated. In response, you can disable the feature by setting it to false in the server.properties file. However, doing so may lead to a diminished user experience. In case of server-side file upload being disabled, the following error message may be displayed: “Cannot disable this feature. Please contact your system administrator."
S/N: Server-side file upload can be disabled by setting the following configuration setting to false in the server.properties file: enabled = false
Check if Server-side File Upload is Enabled
In order to check if server-side file upload is enabled, you can use the following code:
In the code below, you can find the configuration setting that corresponds to 'enabled = false'. The string value for this is 'server-side-file-upload'.
Timeline
Published on: 11/22/2022 01:15:00 UTC
Last modified on: 11/30/2022 17:44:00 UTC