Fix critical RCE and LFI vulnerabilities in Docker API deployment
Security fixes for vulnerabilities reported by ProjectDiscovery: 1. Remote Code Execution via Hooks (CVE pending) - Remove __import__ from allowed_builtins in hook_manager.py - Prevents arbitrary module imports (os, subprocess, etc.) - Hooks now disabled by default via CRAWL4AI_HOOKS_ENABLED env var 2. Local File Inclusion via file:// URLs (CVE pending) - Add URL scheme validation to /execute_js, /screenshot, /pdf, /html - Block file://, javascript:, data: and other dangerous schemes - Only allow http://, https://, and raw: (where appropriate) 3. Security hardening - Add CRAWL4AI_HOOKS_ENABLED=false as default (opt-in for hooks) - Add security warning comments in config.yml - Add validate_url_scheme() helper for consistent validation Testing: - Add unit tests (test_security_fixes.py) - 16 tests - Add integration tests (run_security_tests.py) for live server Affected endpoints: - POST /crawl (hooks disabled by default) - POST /crawl/stream (hooks disabled by default) - POST /execute_js (URL validation added) - POST /screenshot (URL validation added) - POST /pdf (URL validation added) - POST /html (URL validation added) Breaking changes: - Hooks require CRAWL4AI_HOOKS_ENABLED=true to function - file:// URLs no longer work on API endpoints (use library directly)
This commit is contained in:
unclecode
196
deploy/docker/tests/run_security_tests.py
Executable file
196
deploy/docker/tests/run_security_tests.py
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#!/usr/bin/env python3
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"""
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Security Integration Tests for Crawl4AI Docker API.
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Tests that security fixes are working correctly against a running server.
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Usage:
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python run_security_tests.py [base_url]
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Example:
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python run_security_tests.py http://localhost:11235
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"""
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import subprocess
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import sys
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import re
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# Colors for terminal output
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GREEN = '\033[0;32m'
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RED = '\033[0;31m'
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YELLOW = '\033[1;33m'
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NC = '\033[0m' # No Color
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PASSED = 0
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FAILED = 0
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def run_curl(args: list) -> str:
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"""Run curl command and return output."""
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try:
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result = subprocess.run(
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['curl', '-s'] + args,
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capture_output=True,
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text=True,
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timeout=30
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)
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return result.stdout + result.stderr
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except subprocess.TimeoutExpired:
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return "TIMEOUT"
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except Exception as e:
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return str(e)
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def test_expect(name: str, expect_pattern: str, curl_args: list) -> bool:
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"""Run a test and check if output matches expected pattern."""
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global PASSED, FAILED
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result = run_curl(curl_args)
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if re.search(expect_pattern, result, re.IGNORECASE):
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print(f"{GREEN}✓{NC} {name}")
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PASSED += 1
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return True
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else:
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print(f"{RED}✗{NC} {name}")
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print(f" Expected pattern: {expect_pattern}")
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print(f" Got: {result[:200]}")
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FAILED += 1
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return False
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def main():
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global PASSED, FAILED
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base_url = sys.argv[1] if len(sys.argv) > 1 else "http://localhost:11235"
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print("=" * 60)
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print("Crawl4AI Security Integration Tests")
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print(f"Target: {base_url}")
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print("=" * 60)
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print()
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# Check server availability
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print("Checking server availability...")
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result = run_curl(['-o', '/dev/null', '-w', '%{http_code}', f'{base_url}/health'])
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if '200' not in result:
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print(f"{RED}ERROR: Server not reachable at {base_url}{NC}")
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print("Please start the server first.")
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sys.exit(1)
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print(f"{GREEN}Server is running{NC}")
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print()
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# === Part A: Security Tests ===
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print("=== Part A: Security Tests ===")
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print("(Vulnerabilities must be BLOCKED)")
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print()
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test_expect(
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"A1: Hooks disabled by default (403)",
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r"403|disabled|Hooks are disabled",
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['-X', 'POST', f'{base_url}/crawl',
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'-H', 'Content-Type: application/json',
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'-d', '{"urls":["https://example.com"],"hooks":{"code":{"on_page_context_created":"async def hook(page, context, **kwargs): return page"}}}']
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)
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test_expect(
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"A2: file:// blocked on /execute_js (400)",
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r"400|must start with",
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['-X', 'POST', f'{base_url}/execute_js',
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'-H', 'Content-Type: application/json',
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'-d', '{"url":"file:///etc/passwd","scripts":["1"]}']
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)
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test_expect(
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"A3: file:// blocked on /screenshot (400)",
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r"400|must start with",
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['-X', 'POST', f'{base_url}/screenshot',
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'-H', 'Content-Type: application/json',
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'-d', '{"url":"file:///etc/passwd"}']
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)
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test_expect(
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"A4: file:// blocked on /pdf (400)",
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r"400|must start with",
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['-X', 'POST', f'{base_url}/pdf',
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'-H', 'Content-Type: application/json',
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'-d', '{"url":"file:///etc/passwd"}']
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)
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test_expect(
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"A5: file:// blocked on /html (400)",
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r"400|must start with",
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['-X', 'POST', f'{base_url}/html',
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'-H', 'Content-Type: application/json',
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'-d', '{"url":"file:///etc/passwd"}']
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)
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print()
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# === Part B: Functionality Tests ===
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print("=== Part B: Functionality Tests ===")
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print("(Normal operations must WORK)")
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print()
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test_expect(
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"B1: Basic crawl works",
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r"success.*true|results",
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['-X', 'POST', f'{base_url}/crawl',
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'-H', 'Content-Type: application/json',
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'-d', '{"urls":["https://example.com"]}']
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)
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test_expect(
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"B2: /md works with https://",
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r"success.*true|markdown",
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['-X', 'POST', f'{base_url}/md',
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'-H', 'Content-Type: application/json',
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'-d', '{"url":"https://example.com"}']
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)
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test_expect(
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"B3: Health endpoint works",
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r"ok",
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[f'{base_url}/health']
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)
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print()
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# === Part C: Edge Cases ===
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print("=== Part C: Edge Cases ===")
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print("(Malformed input must be REJECTED)")
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print()
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test_expect(
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"C1: javascript: URL rejected (400)",
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r"400|must start with",
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['-X', 'POST', f'{base_url}/execute_js',
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'-H', 'Content-Type: application/json',
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'-d', '{"url":"javascript:alert(1)","scripts":["1"]}']
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)
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test_expect(
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"C2: data: URL rejected (400)",
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r"400|must start with",
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['-X', 'POST', f'{base_url}/execute_js',
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'-H', 'Content-Type: application/json',
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'-d', '{"url":"data:text/html,<h1>test</h1>","scripts":["1"]}']
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)
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print()
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print("=" * 60)
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print("Results")
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print("=" * 60)
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print(f"Passed: {GREEN}{PASSED}{NC}")
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print(f"Failed: {RED}{FAILED}{NC}")
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print()
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if FAILED > 0:
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print(f"{RED}SOME TESTS FAILED{NC}")
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sys.exit(1)
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else:
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print(f"{GREEN}ALL TESTS PASSED{NC}")
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sys.exit(0)
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if __name__ == '__main__':
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main()
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