CVE-2025-13763: libopensc未初始化变量致信息泄露漏洞

import sys # Conceptual PoC for CVE-2025-13763 # This script demonstrates the logic of triggering the uninitialized variable usage. # In a real scenario, a specialized hardware device (USB/Smart Card) is required. def send_crafted_apdu(): # Simulating a crafted APDU response that targets the uninitialized memory read crafted_apdu = b"\x00\xA4\x04\x00\x0A" # Example header print(f"[*] Connecting to target interface...") print(f"[*] Sending crafted APDU: {crafted_apdu.hex()}") # The vulnerable library (libopensc) processes this response # without initializing variables, leading to potential crash or leak. print("[!] Triggering uninitialized variable usage in libopensc...") print("[!] Outcome: Potential Information Disclosure or Crash.") if __name__ == "__main__": send_crafted_apdu()