Gibbon versions before v30.0.01 are affected by a path traversal vulnerability resulting in DOS by attempting extraction of web application…

Gibbon versions before v30.0.01 are affected by a path traversal vulnerability resulting in DOS by attempting extraction of web application PHP files, failed .zip extraction results in deletion of the file and a DOS condition. Successful exploitation requires Teacher or higher privileges. Exploitation could result in loss of availability of the web application.