CVE-2025-55240：Microsoft Visual Studio 权限提升漏洞

# CVE-2025-55240 PoC - Visual Studio Privilege Escalation # Note: This is a conceptual PoC based on the vulnerability description. # The actual exploit details have not been publicly disclosed. import subprocess import os import ctypes def check_privileges(): """Check current user privileges""" try: import ctypes return ctypes.windll.shell32.IsUserAnAdmin() != 0 except: return False def exploit_vs_access_control(): """ Conceptual exploit for improper access control in Visual Studio. The vulnerability allows a low-privileged user to perform actions that should require elevated privileges. """ if check_privileges(): print("[+] Already running with elevated privileges.") return True print("[*] CVE-2025-55240 - Visual Studio Privilege Escalation") print("[*] Current user has low privileges, attempting escalation...") # Step 1: Identify Visual Studio installation path vs_paths = [ r"C:\Program Files\Microsoft Visual Studio\2022\Community\Common7\IDE\devenv.exe", r"C:\Program Files (x86)\Microsoft Visual Studio\2022\Community\Common7\IDE\devenv.exe", r"C:\Program Files\Microsoft Visual Studio\2019\Community\Common7\IDE\devenv.exe", ] vs_path = None for path in vs_paths: if os.path.exists(path): vs_path = path print(f"[+] Found Visual Studio at: {vs_path}") break if not vs_path: print("[-] Visual Studio not found on the system.") return False # Step 2: Exploit improper access control # The vulnerability allows manipulating Visual Studio processes # or files that should be restricted to admin users. # This may involve DLL hijacking, service manipulation, or # accessing protected directories. print("[*] Attempting to exploit access control weakness...") print("[*] Target: Visual Studio service/file access control bypass") # Note: Actual exploitation requires user interaction (UI:R) # The attacker needs the victim to perform a specific action # within Visual Studio. return True if __name__ == "__main__": exploit_vs_access_control()