FCKEditor 2.0 < 2.2 - 'FileManager connector.php' Arbitrary File Upload

Details of BNVL-2019-0021

What does the BNVL label mean?

BitNinja Server Security's BNVL identifiers are intended for use to identify publicly known information security vulnerabilities in publicly released software packages. This project was designed to collect and analyze attack information from the BitNinja network after cluster analyzis by the AI-powered Attack Vector Miner. More than 100 vulnerabilty types have been discovered with this project so far, so we decided to publish this platform to help keeping Linux server owners up-to-date.

Important! All listed BNVL vulnerabilities are protected by BitNinja PRO, so please check your configurations if your infrastructure is affected by any of them.

Syntax for BNVL labels:

BNVL prefix + Year + Arbitrary Digits

BNVL identifiers are free to use in any related security reports, web pages or e-mails.

Name: FCKEditor 2.0 < 2.2 - 'FileManager connector.php' Arbitrary File Upload

CVE ID: (Not set)

Related links:
Description:

if a user cam call directly http://[target]/[path]/editor/filemanager/browser/default/connectors/php/connector.php he can upload malicious contempt on a target server, including arbitrary php code, and launch commands on it this works when php connector is enabled in config.php and when, ex., in Apache httpd.conf "AddType application/x-httpd-php" directive we have an extension not specified in FCKEditor Config[DeniedExtensions][File] array. However, FCKeditor is integrated in a lot of applications, and if you succeed to upload the shell (see details in the output of this script) search for a local inclusion issue inside of them and include the uploaded file

Incident volume (Last 14 days)