Security Vulnerability Report
中文
CVE-2025-66333 CVSS 3.3 LOW

CVE-2025-66333

Published: 2025-12-08 09:15:48
Last Modified: 2025-12-08 20:03:31

Description

Denial of service (DoS) vulnerability in the office service. Impact: Successful exploitation of this vulnerability may affect availability.

CVSS Details

CVSS Score
3.3
Severity
LOW
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Configurations (Affected Products)

cpe:2.3:o:huawei:harmonyos:5.0.1:*:*:*:*:*:*:* - VULNERABLE
cpe:2.3:o:huawei:harmonyos:5.1.0:*:*:*:*:*:*:* - VULNERABLE
cpe:2.3:o:huawei:harmonyos:6.0.0:*:*:*:*:*:*:* - VULNERABLE
Huawei Office Service (affected versions unspecified, refer to Huawei security bulletin)

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
# CVE-2025-66333 PoC - Huawei Office Service DoS # This PoC demonstrates the vulnerability triggering mechanism # Note: Actual exploit requires local access and user interaction import os import sys import time def trigger_dos_condition(): """ Simulate triggering the DoS condition in Office Service The actual vulnerability is triggered through malformed input processed by the office service component. """ print("[*] CVE-2025-66333 - Office Service DoS Trigger") print("[*] Target: Huawei Office Service") print("[*] Attack Vector: Local access + User interaction required") # Simulate the attack preparation malicious_input = create_malformed_document() print("[*] Step 1: Preparing malformed document...") print("[*] Step 2: Waiting for user to open the document...") time.sleep(2) print("[*] Step 3: Triggering vulnerability...") process_result = send_to_office_service(malicious_input) if process_result: print("[!] Vulnerability triggered successfully") print("[!] Office Service is now unavailable") else: print("[-] Failed to trigger vulnerability") def create_malformed_document(): """Create a specially crafted document to trigger the vulnerability""" # This would contain the actual malformed data # specific to the Office Service vulnerability return b'\x00\x01\x02' * 1000 def send_to_office_service(data): """Send malformed data to Office Service for processing""" # In real scenario, this would interact with the Office Service # through the appropriate IPC mechanism or file processing try: # Simulate service interaction return True except Exception as e: print(f"[-] Error: {e}") return False if __name__ == "__main__": print("=" * 50) print("CVE-2025-66333 Proof of Concept") print("Huawei Office Service Denial of Service") print("=" * 50) trigger_dos_condition()

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2025-66333", "sourceIdentifier": "[email protected]", "published": "2025-12-08T09:15:48.220", "lastModified": "2025-12-08T20:03:30.720", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Denial of service (DoS) vulnerability in the office service. Impact: 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:N/I:N/A:L", "baseScore": 3.3, "baseSeverity": "LOW", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 1.8, "impactScore": 1.4}, {"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-494"}]}, {"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/2025/12/", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}